Patent Assignment
Reel/Frame 010078/0656
Assignment of Assignor's Interest
Recorded: 1998-08-05
Pages: 6
Assignor
PHOENIX DRILLING SERVICES, INC.
Executed: 1998-03-16
Assignee
BLACK WARRIOR WIRELINE CORP.
3748 HIGHWAY 45 NORTH, COLUMBUS, MISSISSIPPI, 39701
Covered Properties
(10)
Tool for Drilling Curved Sections of Well Holes
Patent:
4,442,908 →
Application:
06/281,334 →
Controlled Directional Drilling System and Method
Patent:
4,991,668 →
Application:
07/306,050 →
Earth Drilling Apparatus with Control Valve
Patent:
4,936,397 →
Application:
07/328,890 →
Underreamer with Sequentially Expandable Cutter Blades
Patent:
5,036,921 →
Application:
07/544,910 →
Three-Blade Underreamer
Patent:
5,060,738 →
Application:
07/586,599 →
Underreamer with Simultaneously Expandable Cutter Blades and Method
Patent:
5,090,480 →
Application:
07/633,687 →
Steering Sub for Flexible Drilling
Patent:
5,320,179 →
Application:
07/925,100 →
Apparatus for Arcuate Drilling
Patent:
5,368,109 →
Application:
08/145,579 →
Steering Sub for Flexible Drilling
Patent:
5,396,966 →
Application:
08/217,352 →
Rotor-To-Rotor Coupling
Patent:
5,588,818 →
Application:
08/433,544 →
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 13, 1981
From: STEENBOCK, ARNO
To: PREUSSAG AKTIENGESELLSCHAFT, 1000 BERLIN, 3000 HANNOVER, GERMANY
Reel/Frame 003915/0401 →
Assignment of 1/2 of Assignors Interest
Feb 6, 1989
From: MC DONALD, WILLIAM J.; MAURER, WILLIAM C.; LEITKO, CURTIS E. JR.; REHM, WILLIAM
To: BECHTEL INVESTMENTS, INC.
Reel/Frame 005039/0614 →
Assignment of 1/2 of Assignors Interest
Feb 6, 1989
From: REHM, WILLIAM A.; MC DONALD, WILLIAM J.; MAURER, WILLIAM C.; LEITKO, CURTIS E. JR.
To: MAURER ENGINEERING INC.
Reel/Frame 005039/0616 →
Assignment of Assignors Interest.
Feb 6, 1990
From: MAURER ENGINEERING, INC.
To: SLIMDRIL INTERNATIONAL, INC., A CORP. OF TX
Reel/Frame 005230/0614 →
Assignment of Assignors Interest.
Jun 28, 1990
From: PITTARD, FRED J.; FULTZ, JIMMY D.
To: SLIMDRIL INTERNATIONAL, INC., A CORP. OF TX
Reel/Frame 005351/0346 →
Assignment of Assignors Interest.
Sep 20, 1990
From: PITTARD, FRED J.; FULTZ, JIMMY D.
To: SLIMDRIL INTERNATIONAL, INC.
Reel/Frame 005464/0560 →
Assignment of Assignors Interest.
Dec 26, 1990
From: PITTARD, FRED J.; FULTZ, JIMMY D.
To: SLIMDRIL INTERNATIONAL, INC., A CORP. OF TX
Reel/Frame 005564/0961 →
Assignment of Assignors Interest.
Aug 6, 1992
From: ROOS, ALBERT E., JR.; LEAF, ROGER C.; PITTARD, FREDERICK J., JR.
To: SLIMDRIL INTERNATIONAL, INC., A CORP OF TX
Reel/Frame 006185/0613 →
Assignment of Assignor's Interest
Nov 4, 1993
From: PITTARD, FREDERICK J., JR.; ROOS, ALBERT E., JR.; LEAF, ROGER C.; DREWS, STEVEN W.
To: SLIMDRIL INTERNATIONAL, INC.
Reel/Frame 006751/0893 →
Assignment of Assignor's Interest
Mar 4, 1994
From: PREUSSAG AKTIENGESELLSCHAFT
To: BECFIELD DRILLING SERVICES
Reel/Frame 006889/0346 →
Assignment of Assignor's Interest
May 2, 1994
From: PREUSSAG AKTIENGESELLSCHAFT
To: BECFIELD DRILLING SERVICES
Reel/Frame 006973/0522 →
Assignment of Assignor's Interest
May 23, 1994
From: ROOS, ALBERT ERNEST, JR.; MCDONALD, WILLIAM JESSE; DREWS, STEVEN WAYNE
To: SLIMDRIL INTERNATIONAL, INC.
Reel/Frame 006994/0909 →
Assignment of Assignor's Interest
Jun 27, 1995
From: HOUMAND, MITCHELL J.; KRAUS, JAMES EDWARD
To: HORIZON DIRECTIONAL SYSTEMS, INC.
Reel/Frame 007529/0419 →
Assignment of Assignor's Interest
Jun 27, 1995
From: HOUMAND, MITCHELL J.; KRAUS, JAMES EDWARD
To: HORIZON DIRECTIONAL SYSTEMS, INC.
Reel/Frame 007903/0606 →
Assignment of Assignor's Interest
Aug 7, 1995
From: FREMONT GROUP, INC.
To: BECFIELD DRILLING SERVICES
Reel/Frame 007577/0448 →
Merger
Feb 18, 1997
From: SLIMDRIL INTERNATIONAL INC., A TEXAS CORPORATION
To: PHOENIX DRILLING SERVICE, INC.
Reel/Frame 009367/0433 →
Merger
Apr 7, 1997
From: HORIZON DIRECTIONAL SYSTEMS, INC., A TX CORP.
To: PHOENIX DRILL SERVICES, INC, A CORP. OF DE.
Reel/Frame 008430/0698 →
Security Agreement
Nov 7, 1997
From: PHOENIX DRILLING SERVICES, INC., A DELAWARE CORPORATION
To: GENERAL ELECTRIC CAPITAL CORPORATION, A NEW YORK CORPORATION
Reel/Frame 008811/0883 →
Asset Purchase
Mar 9, 1998
From: BECFIELD DRILLING SERVICES
To: PHOENIX DRILLING SERVICES, INC., A CORP. OF DE
Reel/Frame 009005/0710 →
Termination of Security Interest in Patents
Mar 30, 1998
From: GENERAL ELECTRIC CAPITAL CORPORATION
To: PHOENIX DRILLING SERVICES, INC.
Reel/Frame 009052/0022 →
Security Interest
Feb 26, 1999
From: BLACK WARRIOR WIRELINE CORP.
To: FLEET CAPITAL CORPORATION
Reel/Frame 009781/0784 →
Assignment of Assignor's Interest
May 28, 1999
From: PHOENIX ENERGY ACQUISITION CORPOPRATION II
To: PHOENIX DRILLING SERVICES, INC.
Reel/Frame 009987/0761 →
Assignment of Assignor's Interest
May 28, 1999
From: BECFIELD DRILLING SERVICES
To: PHOENIX ENERGY ACQUISITION CORPORATION II
Reel/Frame 009996/0409 →
Security Agreement
Feb 2, 2000
From: BLACK WARRIOR WIRELINE CORP.
To: COAST BUSINESS CREDIT
Reel/Frame 010557/0078 →
Release
Mar 2, 2000
From: FLEET CAPITAL CORPORATION
To: BLACK WARRIOR WIRELINE CORP.
Reel/Frame 010572/0514 →