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Patent Assignment Abstract of Title
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Total Assignments: 7
Patent #:
NONE
Issue Dt:
Application #:
09839103
Filing Dt:
04/23/2001
Publication #:
20020156730
Pub Dt:
10/24/2002
Inventor:
Frederic M. Newman
Title:
Method of managing billing information at a well site
Assignment: 1
Reel/Frame:
013101/0796Recorded: 07/17/2002Pages: 10
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
NEWMAN, FREDERIC M.
Exec Dt:
07/15/2002
Assignee:
UNITRAK SERVICES, L.P.
203 WEST WALL STREET
MIDLAND, TEXAS 79701
Correspondent:
JOHN E. MCSTRAVICK
700 LOUISIANA STREET SUITE 3500
HOUSTON, TX 77002
Assignment: 2
Reel/Frame:
013269/0063Recorded: 09/09/2002Pages: 21
Conveyance:
SECURITY AGREEMENT
Assignor:
KEY ENERGY SERVICES, INC.
Exec Dt:
08/16/2002
Assignee:
PNC BANK, NATIONAL ASSOCIATION
249 FIFTH AVENUE
PITTSBURGH, PENNSYLVANIA 15222
Correspondent:
BUCHANAN INGERSOLL, P.C.
CARLA J. VRSANSKY
301 GRANT STREET
29TH FLOOR
PITTSBURGH, PA 15219
Assignment: 3
Reel/Frame:
013774/0865Recorded: 02/25/2003Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
UNITRACK SERVICES, L.P.
Exec Dt:
02/14/2003
Assignee:
KEY ENERGY SERVICES, INC.
6 DESTA DRIVE, STE. 4400
MIDLAND, TEXAS 79705
Correspondent:
HOWREY SIMON ARNOLD & WHITE
MATTHEW F. STEINHEIDER
750 BERING DRIVE
HOUSTON, TX 77057
Assignment: 4
Reel/Frame:
014059/0689Recorded: 04/29/2003Pages: 35
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
KEY ENERGY SERVICES, INC.
Exec Dt:
04/16/2003
BROOKS WELL SERVICING, INC.
Exec Dt:
04/16/2003
DAWSON PRODUCTION ACQUISITION CORP.
Exec Dt:
04/16/2003
DAWSON PRODUCTION MANAGEMENT, INC.
Exec Dt:
04/16/2003
DAWSON PRODUCTION TAYLOR, INC.
Exec Dt:
04/16/2003
KALKASKA OILFIELD SERVICES, INC.
Exec Dt:
04/16/2003
KEY ENERGY DRILLING, INC.
Exec Dt:
04/16/2003
KEY ENERGY SERVICES-CALIFORNIA, INC
Exec Dt:
04/16/2003
KEY ENERGY SERVICES-SOUTH TEXAS, INC.
Exec Dt:
04/16/2003
KEY FOUR CORNERS, INC.
Exec Dt:
04/16/2003
KEY ROCKY MOUNTAIN, INC.
Exec Dt:
04/16/2003
MISR KEY ENERGY SERVICES LLC
Exec Dt:
04/16/2003
Q SERVICES, INC
Exec Dt:
04/16/2003
Q.V. SERVICES INC.
Exec Dt:
04/16/2002
UNITRAK SERVICES HOLDING, INC.
Exec Dt:
04/16/2003
WATSON OILFIELD SERVICE & SUPPLY INC.
Exec Dt:
04/16/2003
WELL-CO OIL SERVICE, INC.
Exec Dt:
04/16/2003
WELLTECH EASTERN INC.
Exec Dt:
04/16/2003
WELLTECH MID-CONTINENT INC
Exec Dt:
04/16/2003
YALE E. KEY INC
Exec Dt:
04/16/2003
BROOKS WELL SERVICING BENEFICIAL, L.P.
Exec Dt:
04/16/2003
DAWSON PRODUCTION PARTNERS, L.P.
Exec Dt:
04/16/2003
KEY ENERGY DRILLING BENEFICIAL, L.P.
Exec Dt:
04/16/2003
Q.V. SERVICES BENEFICIAL, L.P.
Exec Dt:
04/16/2003
UNITRAK SERVICES, L.P.
Exec Dt:
04/16/2003
WELLTECH MID-CONTINENT BENEFICIAL, L.P.
Exec Dt:
04/16/2003
YALE E. KEY BENEFICIAL, L.P.
Exec Dt:
04/16/2003
AES ACQUISTION, L.P.
Exec Dt:
04/16/2003
Q PRODUCTION SERVICES, L.P.
Exec Dt:
04/16/2003
QUALITY OIL FIELD SERVICES, L.P.
Exec Dt:
04/16/2003
QUALITY TUBULAR SERVICES, L.P.
Exec Dt:
04/16/2003
Q.V. SERVICES, LLC
Exec Dt:
04/16/2003
Q.V. SERVICES OF TEXAS, L.P.
Exec Dt:
04/16/2003
BROOKS WELL SERVICING, LLC
Exec Dt:
04/16/2003
KEY ENERGY DRILLING LLC
Exec Dt:
04/16/2003
Q ENERGY SERVICES, L.L.C.
Exec Dt:
04/16/2003
Q OIL & GAS SERVICES, LLC
Exec Dt:
04/16/2003
UNITRAK SERVICES, LLC
Exec Dt:
04/16/2003
YALE E. KEY, LLC
Exec Dt:
04/16/2003
WELLTECH MID-CONTINENT LLC
Exec Dt:
04/16/2003
Assignee:
PNC BANK, NATIONAL ASSOCIATION
249 FIFTH AVENUE
PITTSBURGH, PENNSYLVANIA 15222
Correspondent:
BUCHANAN INGERSOLL, P.C.
MICHAEL L. DEVER
301 GRANT STREET, 20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 5
Reel/Frame:
014119/0460Recorded: 11/12/2003Pages: 34
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
KEY ENERGY SERVICES, INC.
Exec Dt:
11/10/2003
BROOKS WELL SERVICING, INC.
Exec Dt:
11/10/2003
DAWSON PRODUCTION ACQUISITION CORP.
Exec Dt:
11/10/2003
DAWSON PRODUCTION MANAGEMENT, INC.
Exec Dt:
11/10/2003
DAWSON PRODUCTION TAYLOR, INC.
Exec Dt:
11/10/2003
KALKASKA OILFIELD SERVICES, INC.
Exec Dt:
11/10/2003
KEY ENERGY DRILLING, INC.
Exec Dt:
11/10/2003
KEY ENERGY SERVICES-CALIFORNIA, INC.
Exec Dt:
11/10/2003
KEY ENERGY SERVICES-SOUTH TEXAS, INC.
Exec Dt:
11/10/2003
KEY FOUR CORNERS, INC.
Exec Dt:
11/10/2003
KEY ROCKY MOUNTAIN, INC.
Exec Dt:
11/10/2003
MISR KEY ENERGY SERVICES, LLC
Exec Dt:
11/10/2003
Q SERVICES, INC.
Exec Dt:
11/10/2003
Q.V. SERVICES, INC.
Exec Dt:
11/10/2003
UNITRAK SERVICES HOLDING, INC.
Exec Dt:
11/10/2003
WATSON OILFIELD SERVICE & SUPPLY, INC.
Exec Dt:
11/10/2003
WELL-CO OIL SERVICE, INC.
Exec Dt:
11/10/2003
WELLTECH EASTERN, INC.
Exec Dt:
11/10/2003
WELLTECH MID-CONTINENT, INC.
Exec Dt:
11/10/2003
YALE E. KEY, INC.
Exec Dt:
11/10/2003
BROOKS WELL SERVICING BENEFICIAL, L.P.
Exec Dt:
11/10/2003
DAWSON PRODUCTION PARTNERS, L.P.
Exec Dt:
11/10/2003
KEY ENERGY DRILLING BENEFICIAL, L.P.
Exec Dt:
11/10/2003
Q.V. SERVICES BENEFICIAL, L.P.
Exec Dt:
11/10/2003
UNITRAK SERVICES, L.P.
Exec Dt:
11/10/2003
WELLTECH MID-CONTINENT BENEFICIAL, L.P.
Exec Dt:
11/10/2003
YALE E. KEY BENEFICIAL, L.P.
Exec Dt:
11/10/2003
AES ACQUISITION, L.P.
Exec Dt:
11/10/2003
Q PRODUCTION SERVICES, L.P.
Exec Dt:
11/10/2003
QUALITY OIL FIELD SERVICES, L.P.
Exec Dt:
11/10/2003
QUALITY TUBULAR SERVICES, L.P.
Exec Dt:
11/10/2003
Q.V. SERVICES OF TEXAS, L.P.
Exec Dt:
11/10/2003
BROOKS WELL SERVICING, LLC
Exec Dt:
11/10/2003
KEY ENERY DRILLING, LLC
Exec Dt:
11/10/2003
Q ENERGY SERVICES, L.L.C.
Exec Dt:
11/10/2003
Q OIL & GAS SERVICES, LLC
Exec Dt:
11/10/2003
Q.V. SERVICES, LLC
Exec Dt:
11/10/2003
UNITRAK SERVICES, LLC
Exec Dt:
11/10/2003
YALE E. KEY, LLC
Exec Dt:
11/10/2003
WELLTECH MID-CONTINENT, LLC
Exec Dt:
11/10/2003
Assignee:
PNC BANK, NATIONAL ASSOCIATION
249 FIFTH AVENUE
ONE PNC PLAZA 2ND FLOOR
PITTSBURGH, PENNSYLVANIA 15222
Correspondent:
BUCHANAN INGERSOLL, P.C.
MICHAEL L. DEVER
301 GRANT STREET
20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 6
Reel/Frame:
016427/0646Recorded: 08/22/2005Pages: 27
Conveyance:
SECURITY AGREEMENT
Assignor:
KEY ENERGY SERVICES, INC.
Exec Dt:
07/29/2005
Assignee:
LEHMAN COMMERCIAL PAPER INC., AS COLLATERAL AGENT
745 SEVENTH AVENUE
NEW YORK, NEW YORK 10019
Correspondent:
LATHAM & WATKINS LLP
650 TOWN CENTER DRIVE
SUITE 2000
COSTA MESA, CA 92626
Assignment: 7
Reel/Frame:
020325/0209Recorded: 01/07/2008Pages: 10
Conveyance:
RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
LEHMAN COMMERCIAL PAPER, INC.
Exec Dt:
11/28/2007
Assignee:
KEY ENERGY SERVICES, INC.
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Correspondent:
BRACEWELL AND GIULIANI, LLP
711 LOUISIANA STREET, SUITE 2300
INTELLECTUAL PROPERTY GROUP
HOUSTON, TX 77002

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