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Page 11 of 106

Assignee Name : SCHLUMBERGER TECHNOLOGY CORPORATION
Total Assignments: 10511
Assignment: 1001
Reel/Frame:011207/0179   Pages: 4
Recorded: 10/03/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VALERO, HENRI-PIERRE
Exec Dt:
09/25/2000
2
BRIE, ALAIN
Exec Dt:
09/18/2000
3
HSU, KAI
Exec Dt:
09/01/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6459993
NONE
09678454
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
STEVEN L. CHRISTIAN
P.O. BOX 2175
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 1002
Reel/Frame:011445/0907   Pages: 5
Recorded: 01/08/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHRENKEL, PETER
Exec Dt:
09/25/2000
2
SCARSDALE, KEVIN T.
Exec Dt:
07/24/2000
3
LACY, RODGER D.
Exec Dt:
12/23/2000
4
NAYLOR, JIMMIE H.
Exec Dt:
08/02/2000
5
FLESHMAN, ROY R.
Exec Dt:
10/08/2000
6
CHILCOAT, DWIGHT
Exec Dt:
10/09/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6394183
NONE
09625241
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1003
Reel/Frame:011176/0773   Pages: 3
Recorded: 09/28/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHEN, KUO-CHIANG
Exec Dt:
09/26/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6378625
NONE
09670896
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETION CENTER
JEFFREY E. GRIFFIN
ATTN: INTELLECTUAL PROPERTY COUNSEL
14910 AIRLINE ROAD
ROSHARON, TX 77583-1590
Assignment: 1004
Reel/Frame:011399/0259   Pages: 4
Recorded: 01/02/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
THOMEER, HUBERTUS V.
Exec Dt:
09/26/2000
2
XU, ZHENG R.
Exec Dt:
09/26/2000
3
BECKEL, JEFFREY R.
Exec Dt:
09/26/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6431271
NONE
09666734
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
M.B. JAMAL
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TEXAS 77478
Assignment: 1005
Reel/Frame:011498/0443   Pages: 6
Recorded: 01/08/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
THOMEER, HUBERTUS V.
Exec Dt:
09/26/2000
2
COSTLEY, JAMES MICHAEL
Exec Dt:
09/26/2000
3
SHEFFIELD, RANDOLPH J.
Exec Dt:
09/26/2000
4
ESLINGER, DAVID M.
Exec Dt:
09/26/2000
5
ALLCORN, MARC
Exec Dt:
09/26/2000
6
OETTLI, MARK C.
Exec Dt:
09/26/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6439313
NONE
09666724
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
THOMAS MITCHELL
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 1006
Reel/Frame:013182/0280   Pages: 4
Recorded: 10/16/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MINERBO, GERALD N.
Exec Dt:
09/28/2000
2
CLARK, BRIAN
Exec Dt:
10/06/2000
3
CHANG, SHU-KONG (STEVE)
Exec Dt:
10/06/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6509738
NONE
09617528
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
BRIGITTE L. JEFFERY
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 1007
Reel/Frame:011179/0798   Pages: 4
Recorded: 09/29/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROLOVIC, RADOVAN
Exec Dt:
09/29/2000
2
STEIN, DAVID
Exec Dt:
09/29/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
MD-1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6457534
NONE
09676189
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ROBIN C. NAVA
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 1008
Reel/Frame:011251/0728   Pages: 3
Recorded: 10/16/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BITTLESTON, SIMON HASTINGS
Exec Dt:
10/02/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
1325 SOUTH DAIRY ASHFORD
HOUSTON, TEXAS 77077
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6684160
NONE
09673491
Correspondence name and address
JOHN H. BOUCHARD
5599 SAN FELIPE, SUITE 1700
HOUSTON, TX 77056-2722
Assignment: 1009
Reel/Frame:011218/0245   Pages: 4
Recorded: 10/19/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAROY, PIERRE
Exec Dt:
10/04/2000
2
LAFUMA, FRANCOISE
Exec Dt:
08/28/2000
3
SIMONET, CORALIE
Exec Dt:
09/07/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6586371
NONE
09601127
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
MARYAM BANI-JAMALI
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TEXAS 77478
Assignment: 1010
Reel/Frame:011291/0960   Pages: 4
Recorded: 10/13/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCCALVIN, DAVID E.
Exec Dt:
10/12/2000
2
DEATON, THOMAS M.
Exec Dt:
10/13/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6513594
NONE
09687589
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JAIME CASTANO
PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1011
Reel/Frame:011316/0095   Pages: 3
Recorded: 10/12/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOMAN, DEAN
Exec Dt:
10/12/2000
2
OMERAGIC, DZEVAT
Exec Dt:
10/12/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6788065
NONE
09689574
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
VICTOR H. SEGURA PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 1012
Reel/Frame:011268/0148   Pages: 3
Recorded: 10/17/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CAMCO INTERNATIONAL INC.
Exec Dt:
10/13/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6209635
NONE
09690158
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1013
Reel/Frame:011678/0604   Pages: 4
Recorded: 11/09/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARET, JEAN-FRANCOIS
Exec Dt:
10/16/2000
2
LE ROY-DELAGE, SYLVAINE
Exec Dt:
10/16/2000
3
DARGAUD, BERNARD
Exec Dt:
10/16/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6458198
NONE
09700049
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
MARYAM BANI-JAMALI
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TEXAS 77478
Assignment: 1014
Reel/Frame:011602/0320   Pages: 4
Recorded: 02/23/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POST, ROGER A.
Exec Dt:
10/17/2000
2
SCHRINNER, DEE E.
Exec Dt:
10/17/2000
3
HOWARD, PETER
Exec Dt:
10/12/2000
4
BICKFORD, GARY P.
Exec Dt:
10/17/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175
110 SCHLUMBERGER DRIVE
HOUSTON, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6431269
NONE
09686334
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
BRIGITTE L. JEFFERY
ATTN: PATENT COUNSEL
110 SCHLUMBERGER DRIVE, P.O. BOX 2175
HOUSTON, TX 77478
Assignment: 1015
Reel/Frame:011298/0943   Pages: 6
Recorded: 11/20/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MULLINS, OLIVER C.
Exec Dt:
10/18/2000
2
TERABAYASHI, TORU
Exec Dt:
10/24/2000
3
KEGASAWA, KAZUYOSHI
Exec Dt:
10/24/2000
4
OKUDA, IKKO
Exec Dt:
10/30/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6476384
NONE
09686646
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
WILLIAM B. BALZER
OLD QUARY ROAD
INTELLECTUAL PROPERTY LAW DEPARTMENT
RIDGEFIELD, CT 06877-4108
Assignment: 1016
Reel/Frame:011419/0619   Pages: 3
Recorded: 12/07/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
NICKEL, MICHAEL
Exec Dt:
10/18/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
1325 SOUTH DAIRY ASHFORD
HOUSTON, TEXAS 77077
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6574563
NONE
09719081
Correspondence name and address
JOHN H BOUCHARD
5599 SAN FELIPE
SUITE 1700
HOUSTON, TEXAS 77056-2722
Assignment: 1017
Reel/Frame:011594/0852   Pages: 6
Recorded: 03/05/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FERAUD, JEAN PIERRE
Exec Dt:
10/18/2000
2
PARRIS, MICHAEL D.
Exec Dt:
10/23/2000
3
HUTCHINS, RICHARD D.
Exec Dt:
10/20/2000
4
MCCONNELL, STANLEY BRUCE
Exec Dt:
10/20/2000
5
DISMUKE, KEITH
Exec Dt:
10/20/2000
6
NELSON, ERIK B.
Exec Dt:
10/20/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6613720
NONE
09688319
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
THOMAS MITCHELL
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 1018
Reel/Frame:011268/0155   Pages: 3
Recorded: 10/24/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BRATTON, TOM R.
Exec Dt:
10/24/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6417667
NONE
09695198
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
VICTOR H. SEGURA
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 1019
Reel/Frame:011468/0645   Pages: 9
Recorded: 12/08/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TASHIRO, HITOSHI
Exec Dt:
10/30/2000
2
PABON, JAHIR
Exec Dt:
11/07/2000
3
MORRIS, FRANK
Exec Dt:
11/11/2000
4
SUGIYAMA, HITOSHI
Exec Dt:
10/30/2000
5
HOYLE, DAVID
Exec Dt:
11/07/2000
6
LESLIE, DAVID
Exec Dt:
10/30/2000
7
KATO, KAZUMASA
Exec Dt:
10/30/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6494288
NONE
09674192
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
STEVEN L. CHRISTIAN
ATTN: PATENT COUNSEL
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 1020
Reel/Frame:011538/0530   Pages: 7
Recorded: 02/09/2001
Conveyance:
Assignors
1
NIXON, MICHAEL S.
Exec Dt:
10/31/2000
2
SINGH RANJIT
Exec Dt:
12/04/2000
3
DALY, JEFFERY E.
Exec Dt:
10/31/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6416224
NONE
09702507
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
JEFFERY E. DALY
7211 NORTH GESSNER
HOUSTON, TEXAS 77040
Domestic representative
SCHLUMBERGER OILFIELD SERVICES
JEFFERY E. DALY
7211 NORTH GESSNER
HOUSTON, TX 77040
Assignment: 1021
Reel/Frame:011339/0977   Pages: 4
Recorded: 11/15/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SHETH, KETANKUMAR K.
Exec Dt:
11/01/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6425735
NONE
09713278
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 1022
Reel/Frame:011343/0372   Pages: 5
Recorded: 12/04/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TITE, GLEN-ALLAN S.
Exec Dt:
11/01/2000
2
BROOKS, JAMES E.
Exec Dt:
11/01/2000
3
LEZAK, PAUL A.
Exec Dt:
11/01/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6419044
US20020053482
09553463
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JAIME A. CASTANO
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1023
Reel/Frame:011380/0432   Pages: 5
Recorded: 12/04/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANG, WENBO
Exec Dt:
11/01/2000
2
GROVE, BRENDEN M.
Exec Dt:
11/01/2000
3
BEHRMANN, LAWRENCE A.
Exec Dt:
11/01/2000
4
FAYARD, ALFREDO
Exec Dt:
11/01/2000
5
MARKEL, DANIEL C.
Exec Dt:
11/01/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6520258
NONE
09621159
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JAIME A. CASTANO
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 1024
Reel/Frame:011380/0441   Pages: 7
Recorded: 12/04/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROOKS, JAMES E.
Exec Dt:
11/01/2000
2
ZIMMERMAN, THOMAS H.
Exec Dt:
11/01/2000
3
MARKEL, DANIEL C.
Exec Dt:
11/01/2000
4
YANG, WENBO
Exec Dt:
11/01/2000
5
SHELTON, JAMES F.
Exec Dt:
11/01/2000
6
VORECK, WALLACE E.
Exec Dt:
11/01/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6386109
NONE
09621158
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JAIME A. CASTANO
PATENT COUNSEL
P.O.BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1025
Reel/Frame:011302/0453   Pages: 3
Recorded: 11/02/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ROOKS, ALVIN
Exec Dt:
11/02/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6412552
NONE
09704944
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
VICTOR H. SEGURA
ATTN: PATENT COUNSEL
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 1026
Reel/Frame:011335/0238   Pages: 6
Recorded: 11/21/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HERRMANN, WOLFGANG E.
Exec Dt:
11/03/2000
2
GOODMAN, KENNETH R.
Exec Dt:
11/07/2000
3
VAYNSHTEYN, VLADIMIR
Exec Dt:
11/01/2000
4
HANSEN, MERLIN D.
Exec Dt:
11/07/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6550538
NONE
09717979
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JAIME A. CASTANO
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 1027
Reel/Frame:011261/0925   Pages: 4
Recorded: 11/08/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WERNER, ANDREW T.
Exec Dt:
11/07/2000
2
GROVE, BRENDEN M.
Exec Dt:
11/08/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6464019
NONE
09708914
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 1028
Reel/Frame:011361/0359   Pages: 4
Recorded: 12/07/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BIXENMAN, PATRICK W.
Exec Dt:
11/07/2000
2
ALBINO, EDUARDO H.
Exec Dt:
11/07/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6446729
NONE
09732134
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
P.O. BOX 1590
ATTN: PATENT COUNSEL
ROSHARON, TX 77583-1590
Assignment: 1029
Reel/Frame:011337/0011   Pages: 7
Recorded: 11/20/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HILL, STEPHEN D.
Exec Dt:
11/09/2000
2
COSTLEY, JAMES M.
Exec Dt:
11/08/2000
3
ESLINGER, DAVID M.
Exec Dt:
11/08/2000
4
OETTLI, MARK C.
Exec Dt:
11/15/2000
5
SHEFFIELD, RANDOLPH J.
Exec Dt:
11/17/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6425443
NONE
09716986
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
TIM W. CURINGTON
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 1030
Reel/Frame:011340/0287   Pages: 7
Recorded: 11/20/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HILL, STEPHEN D.
Exec Dt:
11/09/2000
2
COSTLEY, JAMES M.
Exec Dt:
11/08/2000
3
ESLINGER, DAVID M.
Exec Dt:
11/08/2000
4
OETTLI, MARK C.
Exec Dt:
11/15/2000
5
SHEFFIELD, RANDOLPH J.
Exec Dt:
11/17/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6425443
NONE
09716986
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
TIM W. CURINGTON
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 1031
Reel/Frame:011302/0514   Pages: 3
Recorded: 11/14/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROWN, JONATHAN
Exec Dt:
11/10/2000
2
BOLZE, VICTOR
Exec Dt:
11/10/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6467544
NONE
09712373
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
STEVEN L. CHIRSTIAN
PATENT COUNSEL
110 SCHLUMBERGER DRIVE, P.O. BOX 2175
SUGAR LAND, TEXAS 77478
Assignment: 1032
Reel/Frame:011329/0661   Pages: 3
Recorded: 11/15/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
OHMER, HERVE
Exec Dt:
11/10/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6474415
NONE
09713048
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
ATTN: PATENT COUNSEL
PO BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1033
Reel/Frame:011426/0234   Pages: 3
Recorded: 11/13/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
REZMER-COOPER, IAIN
Exec Dt:
11/10/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6401838
NONE
09711734
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
STEVEN L. CHRISTIAN
P.O. BOX 2175
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 1034
Reel/Frame:011329/0216   Pages: 4
Recorded: 11/16/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRINGLE, RONALD E.
Exec Dt:
11/15/2000
2
MILLIGAN, CLAY W., JR.
Exec Dt:
11/15/2000
3
READ, DENNIS M.
Exec Dt:
11/15/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6328109
NONE
09713049
Correspondence name and address
SCHLUMBER TECHNOLOGY CORPORATION
JAIME CASTANO
ATTM: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1035
Reel/Frame:011329/0220   Pages: 4
Recorded: 11/15/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRINGLE, RONALD E.
Exec Dt:
11/15/2000
2
MILLIGAN, CLAY W., JR.
Exec Dt:
11/15/2000
3
READ, DENNIS M.
Exec Dt:
11/15/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6328109
NONE
09713049
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JAIME CASTANO
PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1036
Reel/Frame:011358/0088   Pages: 8
Recorded: 11/30/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAMAKRISHNAN, TERIZHANDUR S.
Exec Dt:
11/16/2000
2
DHRUVA, BRINDESH
Exec Dt:
11/16/2000
3
THAMBYNAYAGAM, R. K. MICHAEL
Exec Dt:
11/16/2000
4
CHEN, MIN-YI
Exec Dt:
11/20/2000
5
GOODE, PETER A.
Exec Dt:
11/17/2000
6
NELSON, ROD
Exec Dt:
11/17/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6415864
US20020088618
09726294
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1037
Reel/Frame:011422/0860   Pages: 5
Recorded: 12/21/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FLESHMAN, ROY
Exec Dt:
11/17/2000
2
BAILEY, RICK
Exec Dt:
12/12/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6700252
US20020079763
09745402
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
P.O. BOX 1590
PATENT COUNSEL
ROSHARON, TEXAS 77583-1590
Assignment: 1038
Reel/Frame:011509/0701   Pages: 4
Recorded: 02/05/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAROY, PIERRE
Exec Dt:
11/20/2000
2
MABERRY, JACK
Exec Dt:
01/10/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6616751
NONE
09711612
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
THOMAS MITCHELL
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 1039
Reel/Frame:011381/0945   Pages: 5
Recorded: 12/04/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TITE, GLEN-ALLAN S.
Exec Dt:
11/21/2000
2
BROOKS, JAMES E.
Exec Dt:
08/01/2000
3
LEZAK, PAUL A.
Exec Dt:
08/03/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6419044
US20020053482
09553463
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JAIME A. CASTANO
PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1040
Reel/Frame:011328/0701   Pages: 7
Recorded: 11/29/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ESLINGER, DAVID M.
Exec Dt:
11/22/2000
2
MCGILL, HOWARD L.
Exec Dt:
11/22/2000
3
COSTLEY, JAMES M.
Exec Dt:
11/22/2000
4
SHEFFIELD, RANDOLPH J.
Exec Dt:
11/22/2000
5
ZEMLAK, WARREN M.
Exec Dt:
11/22/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
1100 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6533037
US20020062963
09725779
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
14910 AIRLINE ROAD
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 1041
Reel/Frame:011336/0183   Pages: 4
Recorded: 11/29/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RONDEAU, JOEL
Exec Dt:
11/23/2000
2
VIGNEAUX, PIERRE
Exec Dt:
11/23/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6491421
US20020093875
09726784
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
MARYAM BANI-JAMALI
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 1042
Reel/Frame:011417/0448   Pages: 7
Recorded: 12/13/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANG, WENBO
Exec Dt:
11/27/2000
2
PARROTT, ROBERT A.
Exec Dt:
12/01/2000
3
BEHRMANN, LAWRENCE A.
Exec Dt:
12/04/2000
4
VORECK, WALLACE E.
Exec Dt:
12/13/2000
5
KNEISL, PHILIP
Exec Dt:
11/27/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020129940
09736521
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
TIM W. CURINGTON
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1043
Reel/Frame:011416/0618   Pages: 5
Recorded: 12/28/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAYNSHTEYN, VLADIMIR
Exec Dt:
12/02/2000
2
SWEETLAND, MATTHEW
Exec Dt:
12/14/2000
3
SPRING, CHRISTIAN
Exec Dt:
12/21/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6536519
NONE
09687273
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JAIME A. CASTANO
PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1044
Reel/Frame:011374/0823   Pages: 6
Recorded: 12/08/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OHMER, HERVE
Exec Dt:
12/06/2000
2
CAROSSINO, RICARDO M.
Exec Dt:
12/06/2000
3
FOLLINI, JEAN-MARC
Exec Dt:
12/06/2000
4
GOTLIB, MIKHAIL V.
Exec Dt:
12/06/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020070027
09733226
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1045
Reel/Frame:011361/0218   Pages: 4
Recorded: 12/07/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BIXENMAN, PATRICK W.
Exec Dt:
12/07/2000
2
ALBINO, EDUARDO H.
Exec Dt:
12/07/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6446729
NONE
09732134
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
ATT: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 1046
Reel/Frame:011432/0136   Pages: 5
Recorded: 01/04/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GARCIA, CHRISTIAN D.
Exec Dt:
12/08/2000
2
VIRALLY, STEPHANE J.
Exec Dt:
12/11/2000
3
ANYAN, STEVEN L.
Exec Dt:
12/14/2000
4
BIXENMAN, PATRICK W.
Exec Dt:
12/14/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6732803
US20020070028
09754464
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 1047
Reel/Frame:011380/0072   Pages: 2
Recorded: 12/18/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BOMBAY, BART JOHN
Exec Dt:
12/14/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
8311 NORTH FM 620
AUSTIN, TEXAS 78726
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6778622
US20020114400
09739488
Correspondence name and address
PEHR B. JANSSON
8311 NORTH FM 620
AUSTIN, TX 78726
Assignment: 1048
Reel/Frame:011420/0697   Pages: 3
Recorded: 12/20/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PLOP, ANDREI
Exec Dt:
12/14/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020074167
09742514
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
STEVEN L. CHRISTIAN
P.O. BOX 2175
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 1049
Reel/Frame:011476/0851   Pages: 7
Recorded: 12/14/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NICHOLAS J. HEATON
Exec Dt:
12/14/2000
2
CHARLES FLAUM
Exec Dt:
12/14/2000
3
CHANH CAO MINH
Exec Dt:
12/14/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, UNITED STATES 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6600315
NONE
09681061
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 1050
Reel/Frame:011674/0705   Pages: 5
Recorded: 04/03/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROSTHAL, RICHARD A.
Exec Dt:
12/14/2000
2
HOMAN, DEAN M.
Exec Dt:
12/20/2000
3
BARBER, THOMAS D.
Exec Dt:
12/14/2000
4
BONNER, STEPHEN
Exec Dt:
12/14/2000
5
CLARK, BRIAN
Exec Dt:
01/04/2001
6
OMERAGIC, DZEVAT
Exec Dt:
12/14/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175, HOUSTON, TEXAS 77252-2175
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6573722
US20020105332
09737891
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
VICTOR H. SEGURA
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 1051
Reel/Frame:011388/0550   Pages: 3
Recorded: 12/19/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
OMERAGIC, DZEVAT
Exec Dt:
12/19/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6541979
US20020113592
09741593
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
VICTOR H. SERGURA
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 1052
Reel/Frame:011408/0294   Pages: 4
Recorded: 12/22/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HURST, GARY D.
Exec Dt:
12/19/2000
2
TIBBLES, RAYMOND J.
Exec Dt:
12/21/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6520254
US20020079099
09747543
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1053
Reel/Frame:011413/0932   Pages: 4
Recorded: 12/21/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCINTIRE, WILLIAM R.
Exec Dt:
12/19/2000
2
PHAM, HAU N.
Exec Dt:
12/20/2000
3
HUBENSCHMIDT, JOSEPH M.
Exec Dt:
12/20/2000
4
UPTON, MARK E.
Exec Dt:
12/20/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6701955
US20020079332
09747398
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
MARYANN JAMELIN
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TEXAS 77478T
Assignment: 1054
Reel/Frame:011407/0929   Pages: 4
Recorded: 12/20/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TARVIN, JEFFREY A.
Exec Dt:
12/20/2000
2
SCHROEDER, ROBERT J.
Exec Dt:
12/19/2000
3
RAMOS, ROGERIO T.
Exec Dt:
12/15/2000
4
YAMATE, TSUTOMU
Exec Dt:
12/15/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020109081
09741225
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
WILLIAM B. BATZER
INTELLECTUAL PROPERTY LAW DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 1055
Reel/Frame:011424/0109   Pages: 4
Recorded: 12/22/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OMERAGIC, DZEVAT
Exec Dt:
12/21/2000
2
SEYDOUX, JEAN
Exec Dt:
12/22/2000
3
ROSTHAL, RICHARD A.
Exec Dt:
12/21/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6566881
US20010004212
09746927
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
VICTOR H. SEGURA
PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 1056
Reel/Frame:011490/0931   Pages: 5
Recorded: 01/29/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GUINOT, FREDERIC
Exec Dt:
12/22/2000
2
ZHAO, JUN
Exec Dt:
11/10/2000
3
JAMES, SIMON G.
Exec Dt:
11/10/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6431278
NONE
09680124
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 1057
Reel/Frame:011444/0146   Pages: 4
Recorded: 01/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
THAMBYNAYAGAM, RAJ KUMAR MICHAEL
Exec Dt:
12/25/2000
2
TILKE, PETER G.
Exec Dt:
12/25/2000
3
BRYANT,IAN D.
Exec Dt:
12/25/2000
4
AUZERAIS, FRANCOIS M.
Exec Dt:
11/25/2000
5
BENNETT, NICHOLAS N.
Exec Dt:
12/25/2000
6
RAMAKRISHNAN, TERIZHANDUR S.
Exec Dt:
12/25/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6829570
NONE
09712491
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
WILLIAM B. BATZER
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 1058
Reel/Frame:011480/0123   Pages: 4
Recorded: 01/10/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GOTLIB, MIKHAIL
Exec Dt:
01/05/2001
2
OHMER, HERVE
Exec Dt:
01/10/2001
3
BROCKMAN, MARK W.
Exec Dt:
01/05/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6302215
NONE
09760310
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 1059
Reel/Frame:011480/0127   Pages: 4
Recorded: 01/10/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GOTLIB, MIKHAIL
Exec Dt:
01/05/2001
2
OHMER, HERVE
Exec Dt:
01/10/2001
3
BROCKMAN, MARK W.
Exec Dt:
01/05/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6302215
NONE
09760310
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1060
Reel/Frame:011450/0674   Pages: 4
Recorded: 01/12/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZEROUG, SMAINE
Exec Dt:
01/10/2001
2
LOIZZO, MATTEO
Exec Dt:
01/04/2001
3
ALLOUCHE, MICKAEL
Exec Dt:
01/04/2001
4
HABASHY, TAREK M.
Exec Dt:
01/10/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020112540
09741232
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
WILLIAM B. BATZER
INTELLECTUAL PROPERTY LAW DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 1061
Reel/Frame:011528/0706   Pages: 2
Recorded: 02/05/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GECO AS
Exec Dt:
01/12/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
5599 SAN FELIPE, SUITE 1700
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6950786
NONE
09685494
Correspondence name and address
JOHN H BOUCHARD
5599 SAN FELIPE, SUITE 1700
HOUSTON, TEXAS 77056-2722
Assignment: 1062
Reel/Frame:011497/0220   Pages: 3
Recorded: 01/24/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CAMCO INTERNATIONAL INC.
Exec Dt:
01/16/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6070608
NONE
08912150
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583
Assignment: 1063
Reel/Frame:011554/0082   Pages: 3
Recorded: 02/07/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MCLEOD, CHRISTOPHER R.
Exec Dt:
01/16/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6541706
US20020104675
09778507
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1064
Reel/Frame:011477/0480   Pages: 5
Recorded: 01/19/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRANK ESPINOSA
Exec Dt:
01/18/2001
2
REINHART CIGLENEC
Exec Dt:
01/18/2001
3
COLIN LONGFIELD
Exec Dt:
01/18/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, UNITED STATES 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6467387
NONE
09681135
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 1065
Reel/Frame:011507/0809   Pages: 4
Recorded: 01/25/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HURLIMANN, MARTIN D.
Exec Dt:
01/18/2001
2
FLAUM, CHARLES
Exec Dt:
01/18/2001
3
FLAUM, MARK
Exec Dt:
01/10/2001
4
VENKATARAMANAN, LALITHA
Exec Dt:
01/18/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6570382
NONE
09723803
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
ERICA W. KUO
INTELLECTUAL PROPERTY LAW DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 1066
Reel/Frame:011530/0900   Pages: 4
Recorded: 02/05/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JACKSON, STEPHEN L.
Exec Dt:
01/18/2001
2
WHITSITT, JOHN R.
Exec Dt:
01/19/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6487893
US20010017052
09733486
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JAINE A. CASTANO
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1067
Reel/Frame:011522/0404   Pages: 7
Recorded: 01/22/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOBYLINSKY, LEE S.
Exec Dt:
01/19/2001
2
LEE, WOON Y.
Exec Dt:
01/19/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6651740
US20020096327
09766739
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1068
Reel/Frame:011565/0789   Pages: 4
Recorded: 02/08/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HURST, GARY D.
Exec Dt:
01/19/2001
2
TIBBLES, RAYMOND J.
Exec Dt:
01/19/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6575245
US20020104655
09779861
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
P.O. BOX 1590
ATTN: PATENT COUNSEL
ROSHARON, TEXAS 77583-1590
Assignment: 1069
Reel/Frame:011565/0437   Pages: 5
Recorded: 02/20/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAMAKRISHNAN, TERIZHANDUR S.
Exec Dt:
01/23/2001
2
ODDIE, GARY M.
Exec Dt:
01/25/2001
3
SIMONIAN, SAM
Exec Dt:
02/12/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6629564
NONE
09672471
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JAIME A CASTINO
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 1070
Reel/Frame:011491/0073   Pages: 3
Recorded: 02/01/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOSE, SANDIP
Exec Dt:
01/29/2001
2
SHENOY, RAMACHANDRA GANESH
Exec Dt:
01/16/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6526354
US20030010494
09741573
Correspondence name and address
INTELLECTUAL PROPERTY LAW DEPARTMENT
WILLIAM B. BATZER
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 1071
Reel/Frame:011491/0090   Pages: 5
Recorded: 02/01/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MULLINS, OLIVER C.
Exec Dt:
01/29/2001
2
RABBITO, PHILIP A.
Exec Dt:
01/29/2001
3
MCGOWAN, LAWRENCE E.
Exec Dt:
01/29/2001
4
TERABAYASHI, TORU
Exec Dt:
01/12/2001
5
KEGASAWA, KAZUYOSHI
Exec Dt:
01/18/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6465775
US20020074489
09741575
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
ERICA W. KUO
INTELLECTUAL PROPERTY LAW DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 1072
Reel/Frame:011702/0881   Pages: 4
Recorded: 04/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HOWARD, PETER V.
Exec Dt:
01/16/2015
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
SUITE 1700
5599 SAN FELIPE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6441618
US20010052774
09772039
Correspondence name and address
JOHN H BOUCHARD
5599 SAN FELIPE, SUITE 1700
HOUSTON, TEXAS 77056-2722
Assignment: 1073
Reel/Frame:011706/0027   Pages: 4
Recorded: 04/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WIJNBERG, WILLEM A.
Exec Dt:
01/29/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
5599 SAN FELIPE, SUITE 1700
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6441618
US20010052774
09772039
Correspondence name and address
JOHN H. BOUCHARD
5599 SAN FELIPE, SUITE 1700
HOUSTON, TX 77056-2722
Assignment: 1074
Reel/Frame:011706/0041   Pages: 4
Recorded: 04/04/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BABOUR, KAMAL
Exec Dt:
01/29/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
5599 SAN FELIPE, SUITE 1700
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6441618
US20010052774
09772039
Correspondence name and address
JOHN H BOUCHARD
5599 SAN FELIPE, SUITE 1700
HOUSTON, TEXAS 77056-2722
Assignment: 1075
Reel/Frame:011495/0099   Pages: 5
Recorded: 02/02/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PLONA, THOMAS
Exec Dt:
01/30/2001
2
SINHA, BIKASH
Exec Dt:
01/29/2001
3
KANE, MICHAEL
Exec Dt:
01/30/2001
4
SHENOY, RAMACHANDRA GANESH
Exec Dt:
01/16/2001
5
BOSE, SANDIP
Exec Dt:
01/29/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6614716
US20020183930
09741574
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
WILLIAM B. BATZER
INTELLECTUAL PROPERTY LAW DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 1076
Reel/Frame:011706/0045   Pages: 4
Recorded: 04/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DELHOMME, JEAN-PIERRE
Exec Dt:
01/30/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
5599 SAN FELIPE, SUITE 1700
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6441618
US20010052774
09772039
Correspondence name and address
JOHN H. BOUCHARD
5599 SAN FELIPE, SUITE 1700
HOUSTON, TEXAS 77056-2722
Assignment: 1077
Reel/Frame:011538/0494   Pages: 6
Recorded: 02/16/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALDRED, WALTER D.
Exec Dt:
01/31/2001
2
WRIGHT, WILLIAM
Exec Dt:
02/01/2001
3
COOPER, IAIN REZMER
Exec Dt:
01/31/2001
4
FULLER, JOHN
Exec Dt:
02/07/2001
5
GORAYA, SHUJA
Exec Dt:
01/30/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
HOUSTON, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7003439
US20020103630
09772546
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
BRIGITTE L. JEFFREY
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 1078
Reel/Frame:011603/0726   Pages: 4
Recorded: 02/13/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLI, HARJIT
Exec Dt:
01/31/2001
2
PESSIN, JEAN-LOUIS
Exec Dt:
01/31/2001
3
RHEIN-KNUDSEN, ERIK
Exec Dt:
02/05/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020108449
09782769
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
THOMAS MITCHELL
110 SCHLUMBERGER DRIVE, MD1
IP DEPT., WELL STIMULATION
SUGAR LAND, TEXAS 77478
Assignment: 1079
Reel/Frame:011567/0100   Pages: 8
Recorded: 02/07/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAYSSIGUIER, CHRISTOPHE M.
Exec Dt:
02/06/2001
2
VONGPHAKDY, VONG
Exec Dt:
02/06/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6502640
US20020046845
09778405
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: TIM CURINGTON
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 1080
Reel/Frame:011568/0353   Pages: 7
Recorded: 02/07/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAYSSIGUIER, CHRISTOPHE M.
Exec Dt:
02/06/2001
2
VONGPHAKDY, VONG
Exec Dt:
02/06/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6523613
US20020046834
09778361
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
TIM CURINGTON
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 1081
Reel/Frame:011568/0387   Pages: 4
Recorded: 02/07/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAYSSIGUIER, CHRISTOPHE M.
Exec Dt:
02/06/2001
2
VONGPHAKDY, VONG
Exec Dt:
02/06/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6505684
US20020046843
09778362
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
TIM CURINGTON
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1082
Reel/Frame:011556/0093   Pages: 9
Recorded: 02/13/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BISSONNETTE, HAROLD S.
Exec Dt:
02/07/2001
2
DANOS, JAKE A.
Exec Dt:
02/13/2001
3
PARLAR, MEHMET
Exec Dt:
02/07/2001
4
PRICE-SMITH, COLIN
Exec Dt:
02/07/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6571875
US20010047867
09782701
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
P.O. BOX 1590
ATTN: PATENT COUNSEL
ROSHARON, TEXAS 77583-1590
Assignment: 1083
Reel/Frame:011594/0287   Pages: 4
Recorded: 02/15/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RIVAS, OLEGARLO S.
Exec Dt:
02/09/2001
2
PURSELL, JOHN C.
Exec Dt:
01/19/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6533039
US20020121376
09784686
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
JEFFREY E. GRIFFIN
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1084
Reel/Frame:011859/0915   Pages: 4
Recorded: 06/04/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SRESHTA, HAROLD
Exec Dt:
02/12/2001
2
DRAKE, ERIC F.
Exec Dt:
02/12/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6361739
NONE
09782341
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
JEFFERY E. DALY
7211 NORTH GESSNER
HOUSTON, TX 77040
Assignment: 1085
Reel/Frame:011477/0651   Pages: 5
Recorded: 02/21/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TODOR K. SHEIRETOV
Exec Dt:
02/19/2001
2
ROGER A. POST
Exec Dt:
02/19/2001
3
ROBERT IAN ROBSON
Exec Dt:
02/19/2001
4
JOSEPH F. CORDERA
Exec Dt:
02/20/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6510899
NONE
09681202
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 1086
Reel/Frame:011608/0338   Pages: 5
Recorded: 02/22/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VENERUSO, ANTHONY F.
Exec Dt:
02/20/2001
2
COON, ROBERT J.
Exec Dt:
02/15/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6768700
US20020114216
09790829
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1087
Reel/Frame:011706/0016   Pages: 4
Recorded: 04/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ROSSI, DAVID J.
Exec Dt:
02/20/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
5599 SAN FELIPE, SUITE 1700
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6441618
US20010052774
09772039
Correspondence name and address
JOHN H. BOUCHARD
5599 SAN FELIPE, SUITE 1700
HOUSTON, TEXAS 77056-2722
Assignment: 1088
Reel/Frame:011697/0346   Pages: 4
Recorded: 04/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OHMER, HERVE
Exec Dt:
02/21/2001
2
BROCKMAN, MARK W.
Exec Dt:
03/16/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6568469
US20010025710
09789187
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1089
Reel/Frame:011969/0794   Pages: 3
Recorded: 07/03/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BITTLESTON, SIMON HASTINGS
Exec Dt:
02/26/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
1325 SOUTH DAIRY ASHFORD
HOUSTON, TEXAS 77077
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6932017
NONE
09787723
Correspondence name and address
JOHN H. BOUCHARD
5599 SAN FELIPE, SUITE 1700
HOUSTON, TX 77056-2722
Assignment: 1090
Reel/Frame:011605/0854   Pages: 3
Recorded: 03/01/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HEATON, NICHOLAS J.
Exec Dt:
02/27/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6522138
US20010035751
09797278
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
BRIGITTE L. JEFFERY
ATTN: PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TEXAS 77252-2175
Assignment: 1091
Reel/Frame:011701/0678   Pages: 5
Recorded: 03/29/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FAYARD, ALFREDO
Exec Dt:
03/02/2001
2
LI, HAOMING
Exec Dt:
02/28/2001
3
PARROTT, ROBERT A.
Exec Dt:
02/27/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6523449
US20020088338
09760515
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TX 77583-1593
Assignment: 1092
Reel/Frame:011477/0796   Pages: 3
Recorded: 03/06/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GARY P. BICKFORD
Exec Dt:
03/05/2001
2
PETE HOWARD
Exec Dt:
03/05/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6506083
NONE
09681247
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 1093
Reel/Frame:011651/0157   Pages: 3
Recorded: 03/26/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, CHUNG
Exec Dt:
03/12/2001
2
HORI, HIROSHI
Exec Dt:
03/21/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6671380
US20020118849
09793685
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
INTELLECTUAL PROPERTY LAW DEPARTMENT
WILLIAM B. BATZER
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 1094
Reel/Frame:012158/0417   Pages: 15
Recorded: 09/11/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NELSON, ERIK B.
Exec Dt:
03/14/2001
2
LUNGWITZ, BERNHARD
Exec Dt:
03/14/2001
3
DISMUKE, KEITH
Exec Dt:
03/14/2001
4
SAMUEL, MATHEW
Exec Dt:
03/14/2001
5
PARRIS, MICHAEL
Exec Dt:
03/14/2001
6
SALAMAT, GOLCHI
Exec Dt:
03/14/2001
7
LEE, JESSE C.
Exec Dt:
03/14/2001
8
FLETCHER, PHILIP
Exec Dt:
03/14/2001
9
FU, DIANKUI
Exec Dt:
03/14/2001
10
HUTCHINS, RICHARD
Exec Dt:
03/14/2001
11
TUSTIN, GARY J.
Exec Dt:
05/02/2001
12
HUGHES, TREVOR
Exec Dt:
05/02/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6881709
US20020004464
09826127
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
THOMAS O. MITCHELL
110 SCHLUMBERGER DRIVE, MD 1
SUGAR LAND, TEXAS 77478
Assignment: 1095
Reel/Frame:011800/0267   Pages: 5
Recorded: 05/08/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MILLER, MATTHEW J.
Exec Dt:
03/16/2001
2
SAMUEL, MATHEW
Exec Dt:
03/14/2001
3
VINOD, PALATHINKARA S.
Exec Dt:
03/15/2001
4
OLSEN, THOMAS N.
Exec Dt:
03/23/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6605570
US20020169085
09851925
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
THOMAS O. MITCHELL
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TEXAS 77478
Assignment: 1096
Reel/Frame:011651/0117   Pages: 4
Recorded: 03/26/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MULLINS, OLIVER C.
Exec Dt:
03/21/2001
2
JAMALUDDIN, ABUL
Exec Dt:
03/21/2001
3
JOSHI, NIKHIL B.
Exec Dt:
02/26/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6501072
US20020139929
09772209
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
WILLIAM B. BATZER
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 1097
Reel/Frame:011719/0326   Pages: 6
Recorded: 04/11/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CONTRERAS, GARY W.
Exec Dt:
03/30/2001
2
HARRIGAN, EDWARD
Exec Dt:
04/02/2001
3
HILL, BUNKER M.
Exec Dt:
03/30/2001
4
LAUPPE, DEAN W.
Exec Dt:
03/30/2001
5
TRAN, SONY
Exec Dt:
03/30/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6729416
US20020148643
09832606
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
D. DELOS LARSON
ATTN: PATENT COUNSEL
110 SCHLUMBERGER DR.
SUGAR LAND, TX 77478
Assignment: 1098
Reel/Frame:011836/0957   Pages: 3
Recorded: 05/24/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUBOURG, ISABELLE
Exec Dt:
03/30/2001
2
FAIVRE, OLIVIER
Exec Dt:
03/30/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20010026156
09815503
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
WILLIAM B. BATZER
INTELLECTUAL PROPERTY LAW DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 1099
Reel/Frame:011713/0317   Pages: 3
Recorded: 04/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MCCARTNEY, PATRICK M.
Exec Dt:
04/04/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6761544
US20020146336
09829248
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 1100
Reel/Frame:011831/0649   Pages: 8
Recorded: 05/07/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARLAR, MEHMET
Exec Dt:
04/11/2001
2
PRICE-SMITH, COLIN J.
Exec Dt:
04/11/2001
3
TIBBLES, RAYMOND J.
Exec Dt:
04/17/2001
4
KELKAR, SHRIHARI
Exec Dt:
04/11/2001
5
BRADY, MARK E.
Exec Dt:
04/11/2001
6
MORRIS, ELIZABETH W.A.
Exec Dt:
04/18/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6631764
US20010036905
09778133
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
THOMAS O. MITCHELL
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Page 11 of 106

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