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Patent Assignment Assignor Details
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Assignor Name : HACKWORTH, MATTHEW R.
Total Assignments: 28
Assignment: 1
Reel/Frame:012257/0172   Pages: 6
Recorded: 12/18/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHETKY, L. MCD.
Exec Dt:
10/13/2001
2
JOHNSON, CRAIG D.
Exec Dt:
10/24/2001
3
HACKWORTH, MATTHEW R.
Exec Dt:
10/24/2001
4
BIXENMAN, PATRICK W.
Exec Dt:
10/13/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6799637
US20020046840
09973442
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 2
Reel/Frame:012307/0695   Pages: 6
Recorded: 10/25/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHETKY, L. MCD.
Exec Dt:
10/13/2001
2
JOHNSON, CRAIG D.
Exec Dt:
10/24/2001
3
HACKWORTH, MATTHEW R.
Exec Dt:
10/24/2001
4
BIXENMAN, PATRICK W.
Exec Dt:
10/13/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6799637
US20020046840
09973442
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
JEFFREY E. GRIFFIN
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 3
Reel/Frame:060243/0520   Pages: 7
Recorded: 06/18/2022
Attorney Dkt #:2069464-0598N2US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHETKY, L. MCD.
Exec Dt:
10/13/2001
2
JOHNSON, CRAIG D.
Exec Dt:
10/24/2001
3
HACKWORTH, MATTHEW R.
Exec Dt:
10/24/2001
4
BIXENMAN, PATRICK W.
Exec Dt:
10/13/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6772836
US20030079886
10315665
Correspondence name and address
MCGUIREWOODS, LLP
1750 TYSONS BOULEVARD
SUITE 1800
TYSONS, VA 22102-4215
Assignment: 4
Reel/Frame:012445/0550   Pages: 5
Recorded: 12/26/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HACKWORTH, MATTHEW R.
Exec Dt:
12/18/2001
2
JOHNSON, CRAIG D.
Exec Dt:
12/20/2001
3
BIXENMAN, PATRICK W.
Exec Dt:
12/20/2001
Assignee
1
SCHLUMBEGER TEHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6648071
US20020144822
10035994
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 5
Reel/Frame:012529/0786   Pages: 9
Recorded: 01/22/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JOHNSON, CRAIG D.
Exec Dt:
01/21/2002
2
HACKWORTH, MATTHEW R.
Exec Dt:
01/21/2002
3
WANG, DAVID W.
Exec Dt:
01/21/2002
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6745843
US20020096333
10054337
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 6
Reel/Frame:012623/0779   Pages: 7
Recorded: 02/19/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRICE-SMITH, COLIN
Exec Dt:
02/05/2002
2
BIXENMAN, PATRICK W.
Exec Dt:
02/01/2002
3
JOHNSON, CRAIG D.
Exec Dt:
02/01/2002
4
HACKWORTH, MATTHEW R.
Exec Dt:
02/01/2002
5
SINCLAIR, GARRY
Exec Dt:
02/04/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6719064
US20030089496
10078228
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 7
Reel/Frame:012633/0888   Pages: 6
Recorded: 02/20/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BIXENMAN, PATRICK W.
Exec Dt:
02/14/2002
2
JOHNSON, CRAIG D.
Exec Dt:
02/19/2002
3
DANOS, JAKE A.
Exec Dt:
02/19/2002
4
HACKWORTH, MATTHEW R.
Exec Dt:
02/18/2002
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6848510
US20020092649
10079670
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 8
Reel/Frame:013884/0401   Pages: 15
Recorded: 03/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HACKWORTH, MATTHEW R.
Exec Dt:
03/10/2003
2
JOHNSON, CRAIG D.
Exec Dt:
03/10/2003
3
ALTEIRAC, LAURENT N.
Exec Dt:
03/10/2003
4
HAYES, KEVIN W.
Exec Dt:
03/10/2003
5
EUBANK, DON
Exec Dt:
03/11/2003
6
MCCLURKIN, JOEL
Exec Dt:
03/10/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7191842
US20040177972
10387105
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORP.
JEFFREY E. GRIFFIN
PO BOX 1590
ROSHARON, TX 77583-1590
Assignment: 9
Reel/Frame:014147/0636   Pages: 8
Recorded: 06/02/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAYES, KEVIN W.
Exec Dt:
05/30/2003
2
JOHNSON, CRAIG D.
Exec Dt:
05/30/2003
3
MILLS, DENNIS L.
Exec Dt:
05/30/2003
4
HACKWORTH, MATTHEW R.
Exec Dt:
05/30/2003
5
LANGLAIS, MICHAEL D.
Exec Dt:
05/30/2003
6
PRADO, MARTIN
Exec Dt:
05/30/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7055609
US20030221842
10452894
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 10
Reel/Frame:014147/0769   Pages: 7
Recorded: 06/02/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JOHNSON, CRAIG D.
Exec Dt:
06/02/2003
2
HACKWORTH, MATTHEW R.
Exec Dt:
06/02/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7086476
US20040026079
10452322
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 11
Reel/Frame:013941/0010   Pages: 9
Recorded: 09/04/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JOHNSON, CRAIG D.
Exec Dt:
08/06/2003
2
HACKWORTH, MATTHEW R.
Exec Dt:
08/14/2003
3
RASA, KIAN
Exec Dt:
08/28/2003
4
DEL CAMPO, CHRISTOPHER S.
Exec Dt:
08/07/2003
5
SHAMPINE, ROD W.
Exec Dt:
08/07/2003
6
VERCAEMER, CLAUDE J.
Exec Dt:
08/12/2003
7
SCHOONDERBEEK, GERHARD
Exec Dt:
08/08/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7168485
US20040104026
10632174
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 12
Reel/Frame:014443/0627   Pages: 14
Recorded: 03/24/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JOHNSON, CRAIG D.
Exec Dt:
03/05/2004
2
HACKWORTH, MATTHEW R.
Exec Dt:
03/04/2004
3
LANGLAIS, MICHAEL D.
Exec Dt:
03/03/2004
4
WANG, DAVID WEI
Exec Dt:
02/24/2004
5
ALTEIRAC, LAURENT
Exec Dt:
02/23/2004
6
VIRALLY, STEPHANE J.
Exec Dt:
02/23/2004
7
BIGELOW, JASON
Exec Dt:
03/04/2004
8
DUFRENE, KERBY J.
Exec Dt:
03/03/2004
9
KHAN, BRUNO
Exec Dt:
03/03/2004
10
PRADO, MARTIN
Exec Dt:
03/04/2004
11
SHARMA, ASHISH
Exec Dt:
02/23/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7866708
US20050200127
10708517
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 13
Reel/Frame:015166/0503   Pages: 8
Recorded: 09/23/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PATEL, DINESH R.
Exec Dt:
08/30/2004
2
DESSOULAVY, GILLES H.
Exec Dt:
08/30/2004
3
HACKWORTH, MATTHEW R.
Exec Dt:
08/05/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7228912
US20050279510
10711522
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 14
Reel/Frame:015726/0820   Pages: 15
Recorded: 08/24/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HACKWORTH, MATTHEW R.
Exec Dt:
08/05/2004
2
JOHNSON, CRAIG D.
Exec Dt:
08/05/2004
3
PRADO, MARTIN
Exec Dt:
08/23/2004
4
GARCIA, JOSE F.
Exec Dt:
08/23/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
SCHLUMBERGER RESERVOIR COMPLETIONS
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060042801
10924684
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORP.
SCHLUMBERGER RESERVOIR COMPLETIONS
JEFFREY E. GRIFFIN
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Assignment: 15
Reel/Frame:017505/0001   Pages: 9
Recorded: 02/15/2006
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT SCHEDULE A. PREVIOUSLY RECORDED ON REEL 015166 FRAME 0503
Assignors
1
PATEL, DINESH R.
Exec Dt:
08/30/2004
2
DESSOULAVY, GILLES H.
Exec Dt:
08/30/2004
3
HACKWORTH, MATTHEW R.
Exec Dt:
08/05/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7228912
US20050279510
10711522
Correspondence name and address
KEVIN P. MCENANEY
14910 AIRLINE ROAD
ROSHARON, TX 77583
Assignment: 16
Reel/Frame:015450/0687   Pages: 7
Recorded: 12/14/2004
Attorney Dkt #:68.0526
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LOPEZ DE CARDENAS, JORGE
Exec Dt:
12/14/2004
2
RYTLEWSKI, GARY L.
Exec Dt:
12/14/2004
3
HACKWORTH, MATTHEW R.
Exec Dt:
12/14/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7387165
US20060124310
10905073
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 17
Reel/Frame:015692/0297   Pages: 10
Recorded: 02/17/2005
Attorney Dkt #:68.0527
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LOPEZ DE CARDENAS, JORGE
Exec Dt:
02/17/2005
2
RYTLEWSKI, GARY L.
Exec Dt:
01/05/2005
3
HACKWORTH, MATTHEW R.
Exec Dt:
01/10/2005
4
WHITSITT, JOHN R.
Exec Dt:
12/29/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060144590
10905372
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 18
Reel/Frame:015673/0050   Pages: 7
Recorded: 02/10/2005
Attorney Dkt #:68.0442
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WETZEL, RODNEY J.
Exec Dt:
02/09/2005
2
EUBANK, DON
Exec Dt:
01/31/2005
3
HACKWORTH, MATTHEW R.
Exec Dt:
01/20/2005
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7380595
US20050155773
10905721
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 19
Reel/Frame:017657/0180   Pages: 8
Recorded: 05/23/2006
Attorney Dkt #:68.0456
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PATEL, DINESH R.
Exec Dt:
05/15/2006
2
DESSOULAVY, GILLES H.
Exec Dt:
05/22/2006
3
HACKWORTH, MATTHEW R.
Exec Dt:
05/09/2006
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7228912
US20050279510
10711522
Correspondence name and address
VIRGINIA SOLIS
14910 AIRLINE ROAD
BLDG. 20
ROSHARON, TX 77583
Assignment: 20
Reel/Frame:018680/0469   Pages: 7
Recorded: 12/27/2006
Attorney Dkt #:89.0514CNT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ESLINGER, DAVID M.
Exec Dt:
09/15/2006
2
HACKWORTH, MATTHEW R.
Exec Dt:
09/15/2006
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7648332
US20080056880
11468565
Correspondence name and address
VIRGINIA SOLIS
14910 AIRLINE ROAD
BLDG. 20
ROSHARON, TX 77583
Assignment: 21
Reel/Frame:018680/0812   Pages: 7
Recorded: 12/27/2006
Attorney Dkt #:89.0514
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ESLINGER, DAVID M.
Exec Dt:
09/15/2006
2
HACKWORTH, MATTHEW R.
Exec Dt:
09/15/2006
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080056879
11468511
Correspondence name and address
VIRGINIA SOLIS
14910 AIRLINE ROAD
BLDG. 20
ROSHARON, TX 77583
Assignment: 22
Reel/Frame:019833/0237   Pages: 9
Recorded: 09/17/2007
Attorney Dkt #:56.1081
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALLCORN, MARC
Exec Dt:
07/24/2007
2
CHOW, JING HAYES
Exec Dt:
07/23/2007
3
ESLINGER, DAVID MILTON
Exec Dt:
07/20/2007
4
HACKWORTH, MATTHEW R.
Exec Dt:
07/11/2007
5
ROWATT, JOHN DAVID
Exec Dt:
07/25/2007
6
ALLAN, THOMAS
Exec Dt:
07/24/2007
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7874366
US20080066920
11770416
Correspondence name and address
DAVID CATE
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TX 77478
Assignment: 23
Reel/Frame:020379/0084   Pages: 10
Recorded: 01/17/2008
Attorney Dkt #:89.0534
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HACKWORTH, MATTHEW R.
Exec Dt:
01/16/2008
2
OVUTMEN, NIHAT
Exec Dt:
01/09/2008
3
FORBES, KEVIN J.
Exec Dt:
01/09/2008
4
FIELDER, LANCE I.
Exec Dt:
01/17/2008
5
ROSS, ALLAN D.
Exec Dt:
01/08/2008
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7814976
US20090056939
11953970
Correspondence name and address
JANICE ALVERSON
14910 AIRLINE ROAD
BUILDING 20
ROSHARON, TX 77583
Assignment: 24
Reel/Frame:021074/0778   Pages: 12
Recorded: 06/10/2008
Attorney Dkt #:68.0526CIP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RYTLEWSKI, GARY R.
Exec Dt:
04/04/2008
2
MORALES, HUGO
Exec Dt:
05/29/2008
3
BALKRISHNA, GADIYAR
Exec Dt:
04/23/2008
4
LASSEK, JOHN
Exec Dt:
05/02/2008
5
WHITSITT, JOHN R.
Exec Dt:
06/06/2008
6
DE CARDENAS, JORGE LOPEZ
Exec Dt:
04/07/2008
7
HACKWORTH, MATTHEW R.
Exec Dt:
04/15/2008
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090084553
12058062
Correspondence name and address
JANICE ALVERSON
14910 AIRLINE ROAD
BLDG. 20
ROSHARON, TX 77583
Assignment: 25
Reel/Frame:023492/0124   Pages: 10
Recorded: 11/09/2009
Attorney Dkt #:89.0534CIP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HACKWORTH, MATTHEW R.
Exec Dt:
04/21/2009
2
GARBER, MATTHEW
Exec Dt:
04/29/2009
3
CAMACHO, ALEJANDRO
Exec Dt:
04/28/2009
4
FIELDER, LANCE I.
Exec Dt:
04/27/2009
5
COX, RYAN
Exec Dt:
04/24/2009
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8006757
US20090242197
12393030
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
AUTREY BROWN
ROSHARON, TX 77583
Assignment: 26
Reel/Frame:023680/0122   Pages: 9
Recorded: 12/18/2009
Attorney Dkt #:89.0589
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CARTIER, DWAYNE
Exec Dt:
10/16/2009
2
HACKWORTH, MATTHEW R.
Exec Dt:
10/15/2009
3
COX, RYAN
Exec Dt:
10/09/2009
4
GARBER, MATTHEW
Exec Dt:
10/15/2009
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100200513
12628782
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD, BLDG 14
AUTREY BROWN
ROSHARON, TX 77583
Assignment: 27
Reel/Frame:025534/0169   Pages: 9
Recorded: 12/21/2010
Attorney Dkt #:89.0571
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FIELDER, LANCE I.
Exec Dt:
12/10/2010
2
LEE, LAWRENCE C.
Exec Dt:
12/07/2010
3
CARTIER, DWAYNE
Exec Dt:
12/14/2010
4
HACKWORTH, MATTHEW R.
Exec Dt:
12/08/2010
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110146977
12956859
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
BLDG. 14
ROSHARON, TX 77583
Assignment: 28
Reel/Frame:029815/0632   Pages: 9
Recorded: 02/14/2013
Attorney Dkt #:IS11.0621-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LABIB, SHERIF
Exec Dt:
02/14/2013
2
HACKWORTH, MATTHEW R.
Exec Dt:
02/07/2013
3
CHRISTIE, RICHARD L.
Exec Dt:
02/14/2013
4
SMITH, DAVID P.
Exec Dt:
02/04/2013
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130141100
13595758
Correspondence name and address
MIMI CORONA
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042

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