Patent Assignment
Reel/Frame 012333/0812
Assignment of Assignor's Interest
Recorded: 2001-10-31
Pages: 6
Assignor
BJ SERVICES COMPANY, U.S.A.
Executed: 2001-10-30
Assignee
BJ SERVICES COMPANY
5500 NORTHWEST CENTRAL DRIVE, HOUSTON, TEXAS, 77092
Covered Properties
(22)
Apparatus for Blending Additives into a Liquid
Patent:
4,448,535 →
Application:
06/330,949 →
Well Casing Perforated Zone Washing Apparatus
Patent:
4,484,625 →
Application:
06/370,056 →
Crosslinker Composition for High Temperature Hydraulic Fracturing Fluids
Patent:
4,534,870 →
Application:
06/392,602 →
Delivery and Metering Device Control System
Patent:
4,474,204 →
Application:
06/516,379 →
Asphaltic Compositions
Patent:
4,721,529 →
Application:
06/822,782 →
Drillable Well-Fluid Flow Control Tool
Patent:
4,708,202 →
Application:
06/884,877 →
Fracturing Process Using Carbon Dioxide and Nitrogen
Patent:
5,069,283 →
Application:
07/388,672 →
Control of Gas Flow Through Cement Column
Patent:
5,099,922 →
Application:
07/675,309 →
Multiple Acting Lock for Gravel Pack System
Patent:
5,180,010 →
Application:
07/736,389 →
Fracturing Fluid Having a Delayed Enzyme Breaker
Patent:
5,226,479 →
Application:
07/818,526 →
Densitometer
Patent:
5,423,205 →
Application:
07/896,441 →
Slurried Polymer Foam System and Method for the Use Thereof
Patent:
5,360,558 →
Application:
07/951,946 →
Method for Fracturing High Temperature Subterranean Formations
Patent:
5,305,832 →
Application:
07/993,405 →
Method for Reducing Deleterious Environmental Impact of Subterranean Fracturing Processes
Patent:
5,424,285 →
Application:
08/009,790 →
Stabilized Ammonium Polysulfide Solutions and Process Utilizing Same
Patent:
5,376,749 →
Application:
08/131,720 →
Biocide Treatment System and Method
Patent:
5,453,207 →
Application:
08/146,590 →
Methods for Melting and Dispersing Paraffin Wax in Oil Field Production Equipment
Patent:
5,484,488 →
Application:
08/223,919 →
Method for Controlling Gas Hydrates in Fluid Mixtures
Patent:
5,741,758 →
Application:
08/543,014 →
Insulated and/or Concentric Coiled Tubing
Patent:
6,015,015 →
Application:
08/564,357 →
Apparatus and Method for Downhole Fluid Phase Separation
Patent:
6,138,757 →
Application:
09/028,939 →
Method for Removal of Cuttings from Deviated Wellbore Drilled with Coiled Tubing
Patent:
5,984,011 →
Application:
09/034,528 →
Compositions and methods of catalyzing the rate of iron reduction during acid treatment of wells
Patent:
6,308,778 →
Application:
09/512,118 →
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Dec 15, 1981
From: WEST, JOE E.
To: KENNEDY MACHINE AND MANUFACTURING, INC.
Reel/Frame 003969/0014 →
Assignment of Assignors Interest.
Apr 20, 1982
From: BARBEE, JOHN P. JR.
To: WESTERN COMPANY OF NORTH AMERICA THE; A CORP. OF DE.
Reel/Frame 003997/0136 →
Assignment of Assignors Interest.
Jun 28, 1982
From: WILLIAMS, DENNIS A.
To: WESTERN COMPANY OF NORTH AMERICA THE, A CORP OF DE.
Reel/Frame 004032/0853 →
Assignment of Assignors Interest.
Jul 22, 1983
From: HYDROPACE, INC., A TX. CORP.
To: WESTERN COMPANY OF NORTH AMERICA , THE A DE CORP.
Reel/Frame 004151/0154 →
Assignment of Assignors Interest.
Jul 22, 1983
From: HYDROPACE INC
To: WESTERN COMPANY OF NORTH AMERICA, THE, A CORP. OF DE
Reel/Frame 004180/0966 →
Assignment of Assignors Interest.
Sep 26, 1983
From: WEST, JOE E.
To: HYDROPACE, INC., A TX CORP
Reel/Frame 004181/0089 →
Assignment of Assignors Interest.
Jan 27, 1986
From: MULLINS, TROY E.
To: UNICHEM INTERNATIONAL INC.
Reel/Frame 004511/0169 →
Security Interest
May 22, 1989
From: WESTERN COMPANY OF NORTH AMERICA THE
To: WILMINGTON TRUST COMPANY
Reel/Frame 005122/0589 →
Assignment of Assignors Interest.
Sep 14, 1989
From: MACK, DAVID J.
To: WESTERN COMPANY OF NORTH AMERICA, THE
Reel/Frame 005135/0662 →
Assignment of Assignors Interest.
Mar 26, 1991
From: GANGULI, KALYAN K.
To: WESTERN COMPANY OF NORTH AMERICA, THE, A CORP. OF TX
Reel/Frame 005654/0477 →
Assignment of Assignors Interest.
Sep 16, 1991
From: STOUT, GREGG W.; MATTE, JAMES T.
To: WESTERN COMPANY OF NORTH AMERICA, THE
Reel/Frame 005850/0279 →
Assignment of Assignors Interest.
Jun 10, 1992
From: FARCHONE, DONALD D.
To: SMITH ENERGY SERVICES
Reel/Frame 006161/0616 →
Assignment of Assignors Interest.
Jan 27, 1993
From: STACY, ALAN L.; WEBER, RICHARD B.
To: SMITH ENERGY SERVICES A DIVISION OF ALLIED PRODUCTS CORPORATION
Reel/Frame 006410/0851 →
Assignment of Assignor's Interest
Apr 26, 1993
From: GUPTA, D.V. SATYANARAYANA; PAKULSKI, MAREK K.; PRASEK, BETHICIA M.
To: WESTERN COMPANY OF NORTH AMERICA, THE
Reel/Frame 006559/0741 →
Assignment of Assignor's Interest
May 17, 1993
From: GUPTA, D.V. SATYANARAYANA; FRANKLIN, VERNON L.
To: WESTERN COMPANY OF NORTH AMERICA, THE
Reel/Frame 006538/0075 →
Assignment of Assignor's Interest
Dec 7, 1993
From: MILLER, RICHARD F.; MORSELANDER, EUGENE H.
To: UNICHEM INTERNATIONAL INC.
Reel/Frame 006790/0696 →
Assignment of Assignor's Interest
Dec 9, 1993
From: LAXTON, GARRY D.; SIMPSON, GREGORY D.; MCCULLOUGH, HAROLD T.; MILLER, JAY T.
To: UNICHEM INTERNATIONAL INCORPORATED
Reel/Frame 006794/0353 →
Assignment of Assignor's Interest
Dec 23, 1993
From: ALLIED PRODUCTS CORPORATION
To: WESTERN COMPANY OF NORTH AMERICA, THE
Reel/Frame 006806/0760 →
Assignment of Assignor's Interest
Feb 28, 1994
From: UNICHEM INTERNATIONAL, INC.
To: WESTERN COMPANY OF NORTH AMERICA, THE
Reel/Frame 006877/0327 →
Assignment of Assignor's Interest
May 16, 1994
From: HART, PAUL R.; BROWN, J. MICHAEL
To: BETZ LABORATORIES, INC.
Reel/Frame 006975/0512 →
Assignment of Assignor's Interest
Jun 19, 1995
From: WESTERN COMPANY OF NORTH AMERICA, THE
To: BJ SERVICES COMPANY, U.S.A.
Reel/Frame 007526/0440 →
Assignment of Assignor's Interest
Jun 19, 1995
From: BETZ LABORATORIES, INC.
To: BJ SERVICES COMPANY
Reel/Frame 007534/0045 →
Assignment of Assignor's Interest
Oct 2, 1995
From: BJ SERVICES COMPANY
To: BJ SERVICES COMPANY, U.S.A.
Reel/Frame 007674/0082 →
Assignment of Assignor's Interest
Oct 13, 1995
From: PAKULSKI, MAREK K.
To: BJ SERVICES COMPANY, U.S.A.
Reel/Frame 007708/0573 →
Assignment of Assignor's Interest
Dec 7, 1995
From: PELENSKY, PETER J.
To: ELAN ENERGY
Reel/Frame 008516/0366 →