IP Library › Assignment 010977/0150
Patent Assignment
Reel/Frame 010977/0150

Assignment of Assignor's Interest

Recorded: 2000-07-18 Pages: 7
Assignor
DAILEY INTERNATIONAL, INC.
Executed: 2000-04-13
Assignee
WEATHERFORD U.S. L.P.
515 POST OAK BLVD., SUITE 600, ATTN: SCOTT BROWN, HOUSTON, TEXAS, 77027
Covered Properties (42)
Tong Assembly
Patent: 4,346,629 →
Application: 06/145,905 →
Well Jar
Patent: 4,394,883 →
Application: 06/203,527 →
Double Acting Hydraulic Mechanism
Patent: 4,361,195 →
Application: 06/214,454 →
Leak Detection System
Patent: 4,466,273 →
Application: 06/292,121 →
Method and Apparatus for Drilling a Well Bore
Patent: 4,440,241 →
Application: 06/294,497 →
Hydrostatic Test Apparatus
Patent: 4,480,462 →
Application: 06/436,619 →
Pipe Testing Tool
Patent: 4,548,069 →
Application: 06/488,694 →
Adjustable Length Drilling Sub
Patent: 4,526,241 →
Application: 06/498,744 →
Well Jar Incorporatring Elongate Resilient Vibration Snubbers and Mounting Apparatus Therefor
Patent: 4,498,548 →
Application: 06/505,981 →
Apparatus for Leak Testing of Pipe
Patent: 4,517,828 →
Application: 06/508,464 →
Method and Apparatus for Controlling Azimuthal Drift of a Drill Bit
Patent: 4,508,182 →
Application: 06/515,199 →
Double-Taper Slip-on Drill String Stabilizer
Patent: 4,600,063 →
Application: 06/614,474 →
Shock Absorbing Drilling Tool
Patent: 4,600,062 →
Application: 06/630,777 →
Single Acting Hydraulic Fishing Jar
Patent: 4,566,546 →
Application: 06/648,711 →
Spiralling Tapered Slip-on Drill String Stabilizer
Patent: 4,630,690 →
Application: 06/755,053 →
Method and Apparatus for Leak Testing of Pipe
Patent: 4,727,749 →
Application: 06/868,009 →
Mechanical Directional Drilling Jar with Swivel Means
Patent: 4,715,454 →
Application: 06/870,087 →
Method and Apparatus for Leak Testing of Pipe
Patent: 4,879,896 →
Application: 07/086,792 →
Accelerator for Fishing Jar with Hydrostatic Assist
Patent: 4,844,183 →
Application: 07/114,560 →
Method and Apparatus for Seismic Exploration of Strata Surrounding a Borehole
Patent: 4,873,675 →
Application: 07/205,291 →
Method and System for Maintaining and Produuction Horizontal Well Bores
Patent: 4,878,539 →
Application: 07/227,197 →
System for Completing and Maintaining Lateral Wells
Patent: 4,838,353 →
Application: 07/227,198 →
Method and Apparatus for Leak Testing of Pipe
Patent: 4,998,435 →
Application: 07/296,859 →
Decentralized Casing Hole Puncher
Patent: 5,111,885 →
Application: 07/598,932 →
Apparatus for Preventing Separation of a Down-Hole Motor from a Drill String
Patent: 5,165,492 →
Application: 07/604,783 →
Combination Thrust and Radial Bearing for Use in Down-Hole Drilling Tools
Patent: 5,086,851 →
Application: 07/604,784 →
Large Bore Hydraulic Drilling Jar
Patent: 5,086,853 →
Application: 07/670,249 →
Double-Acting Accelerator for Use with Hydraulic Drilling Jars
Patent: 5,232,060 →
Application: 07/745,416 →
Downhole Charge Carrier
Patent: 5,323,684 →
Application: 07/864,420 →
Decentralized Casing Hole Puncher
Patent: 5,295,544 →
Application: 07/876,485 →
Device for a Down-Hole Assembly
Patent: 5,303,776 →
Application: 07/927,392 →
Reduced Waiting Time Hydraulic Drilling Jar
Patent: 5,318,139 →
Application: 08/054,718 →
Mechanical-Hydraulic Double-Acting Drilling Jar
Patent: 5,624,001 →
Application: 08/473,067 →
Drill String Orienting Tool
Patent: 5,669,457 →
Application: 08/581,772 →
Constant Bottom Contact Thruster
Patent: 5,884,716 →
Application: 08/731,550 →
Converted Dual-Acting Hydraulic Drilling Jar
Patent: 5,984,028 →
Application: 08/893,207 →
Downhole Charge Carrier
Patent: 6,014,933 →
Application: 08/942,631 →
Gas Filled Accelerator
Patent: 5,918,688 →
Application: 08/947,622 →
Downhole Window Milling Apparatus and Method for Using the Same
Patent: 6,105,675 →
Application: 09/225,786 →
Converted Dual-Acting Hydraulic Drilling Jar
Patent: 6,135,217 →
Application: 09/233,008 →
Rotary Steerable System for Use in Drilling Deviated Wells
Patent: 6,116,354 →
Application: 09/274,458 →
High Capacity Thrust Bearing
Patent: 6,361,217 →
Application: 09/338,259 →
Related Assignments (25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Nov 3, 1980
From: BRISCOE EDWARD L.
To: DAILEY OIL TOOLS, INC.
Reel/Frame 003827/0985 →
Merger Effective Dec. 22, 1981 (Delaware) Apr 5, 1982
From: BROWN OIL TOOLS, INC. A TX CORP.
To: HUGHES TOOL COMPANY A CORP. OF DE
Reel/Frame 003967/0348 →
Assignment of Assignors Interest. Apr 19, 1982
From: KINZBACH, ROBERT B.
To: WEATHERFORD/LAM, INC., A CORP. OF TX
Reel/Frame 003971/0927 →
Assignment of Assignors Interest. Oct 25, 1982
From: MILLER, DARWIN A.
To: DAMCO TESTERS, INC.
Reel/Frame 004061/0827 →
Assignment of Assignors Interest. Apr 26, 1983
From: NOUSAK, MATTHEW J. A.
To: DAMCO TESTERS, INC.
Reel/Frame 004123/0139 →
Assignment of Assignors Interest. Jun 20, 1983
From: TENG, CHUAN C.
To: DAILEY, INC., A CORP. OF DEL.
Reel/Frame 004144/0201 →
Assignment of Assignors Interest. Jun 28, 1983
From: MILLER, DARWIN L.; MILLER, RONNIE F.
To: DAMCO TESTERS, INC., A CORP. OF LA
Reel/Frame 004147/0351 →
Assignment of Assignors Interest. Apr 30, 1984
From: DAILEY, INC.
To: DAILEY DIRECTIONAL SERVICES, INC. 3663 NORTH BELT EAST, SUITE 300, HOUSTON TEXAS 77228 A CORP OF DE
Reel/Frame 004253/0254 →
Assignment of Assignors Interest. Apr 30, 1984
From: ANDERS, EDWARD O.
To: DAILEY, INC. D/B/A IN TX AS DAILEY PETROLEUM SERVICES CORP.
Reel/Frame 004251/0132 →
Assignment of Assignors Interest. Apr 30, 1984
From: ANDERS, EDWARD O.
To: DAILEY, INC. D/B/A IN TX AS DAILEY PETROLEUM SERVICES CORP. 3663 NORTHBELT EAST, STE. 300, HOUSTON, TX 77228 A CORP OF DE
Reel/Frame 004251/0131 →
Assignment of Assignors Interest. Apr 30, 1984
From: ANDERS, EDWARD O.
To: DAILEY, INC. D/B/A IN TX AS DAILEY PETROLEUM SERVICES CORP., A CORP OF DE
Reel/Frame 004251/0129 →
Assignment of Assignors Interest. May 29, 1984
From: BEASLEY, THOMAS R.
To: DAILEY PETROLEUM SERVICES CORP. A CORP. OF TX
Reel/Frame 004310/0828 →
Assignment of Assignors Interest. Jul 13, 1984
From: TENG, CHUAN C.
To: DAILEY PETROLEUM SERVICES CORPORATION A CORP OF TEXAS
Reel/Frame 004302/0043 →
Assignment of Assignors Interest. Jul 23, 1984
From: ALLIED BELTWAY BANK
To: PILLETTE KIBBIE P.; ANDERSON MELVER JR.
Reel/Frame 004283/0136 →
Assignment of Assignors Interest. Jul 23, 1984
From: PILLETTE KIBBIE P.; ANDERSON MELVER L. JR.
To: DAILEY PETROLEUM SERVICES CORP.
Reel/Frame 004283/0135 →
Change of Name Effective June 13, 1984 Nov 7, 1984
From: DAILEY, INC.
To: DAILEY PETROLEUM SERVICES CORP.
Reel/Frame 004324/0354 →
Assignment of Assignors Interest. Jul 12, 1985
From: BEASLEY, THOMAS R.; TENG, CHUAN C.
To: DAILEY PETROLEUM SERVICES CORP., A CORP OF TEXAS
Reel/Frame 004446/0351 →
Merger Effective Date: December 22, 1981, State of Incorp., Delaware, Effective Dec. 31, 1981 Jul 15, 1985
From: BROWN OIL TOOLS, INC.
To: HUGHES TOOL COMPANY
Reel/Frame 004430/0088 →
Assignment of Assignors Interest. Jul 15, 1985
From: HUGHES TOOL COMPANY
To: EVANS, ROBERT W., A CITIZEN OF THE UNITED STATES OF AMERICA
Reel/Frame 004430/0097 →
Security Interest Aug 1, 1985
From: WEATHERFORD/LAMB, INC., A CORP. OF TEXAS
To: FIRST CITY NATIONAL BANK OF HOUSTON, 1001 MAIN STREET, HOUSTON, TX 77002, A NATIONAL BANKING ASSOCIATION
Reel/Frame 004435/0255 →
Assignment of Assignors Interest. May 9, 1986
From: EVANS, ROBERT W.
To: DAILEY PETROLEUM SERVICES CORP. A CORP. OF DE.
Reel/Frame 004544/0230 →
Assignment of Assignors Interest. May 9, 1986
From: EVANS, ROBERT W.
To: DAILEY PETROLEUM SERVICES CORP. A CORP. OF DE.
Reel/Frame 004544/0315 →
Assignment of Assignors Interest. Jun 3, 1986
From: TENG, CHUAN C.; CHAPELLE, RENE A.; BLACKLAWS, JOHN E.; MC COMSEY, LEE E.
To: DAILEY PETROLEUM SERVICES CORP., A CORP. OF DE.
Reel/Frame 004579/0056 →
Assignment of Assignors Interest. Jun 10, 1988
From: PIGGIN, RICHARD H.
To: GEARHART INDUSTRIES, INC., A CORP. OF TEXAS
Reel/Frame 004902/0220 →
Assignment of Assignors Interest. Jun 10, 1988
From: BEASLEY, THOMAS R.
To: GEARHART INDUSTRIES, INC., A CORP. OF TEXAS
Reel/Frame 004902/0224 →