| Patent | Date |
|---|
Wireless communications associated with a wellbore
Grant 7,477,160 - Lemenager , et al. January 13, 2 | 2009-01-13 |
System and method for isolating a wellbore region
Grant 7,431,098 - Ohmer , et al. October 7, 2 | 2008-10-07 |
System and Method for Isolating a Wellbore Region
App 20070151724 - Ohmer; Herve ; et al. | 2007-07-05 |
Wireless Communications Associated with a Wellbore
App 20070024464 - Lemenager; Erwann ; et al. | 2007-02-01 |
Method, system and apparatus for orienting casing and liners
Grant 7,147,060 - Huber , et al. December 12, 2 | 2006-12-12 |
Method and apparatus for orienting perforating devices and confirming their orientation
Grant 7,000,699 - Yang , et al. February 21, 2 | 2006-02-21 |
Method, system & apparatus for orienting casing and liners
App 20040231859 - Huber, Klaus B. ; et al. | 2004-11-25 |
Apparatus and method for inserting and retrieving a tool string through well surface equipment
Grant 6,719,061 - Muller , et al. April 13, 2 | 2004-04-13 |
Method and apparatus for orienting perforating devices and confirming their orientation
App 20020185275 - Yang, Wenbo ; et al. | 2002-12-12 |
Apparatus and method for inserting and retrieving a tool string through well surface equipment
App 20020185276 - Muller, Laurent E. ; et al. | 2002-12-12 |
Method of performing downhole functions
Grant 6,354,374 - Edwards , et al. March 12, 2 | 2002-03-12 |
Device for performing downhole functions
Grant 6,182,750 - Edwards , et al. February 6, 2 | 2001-02-06 |
Downhole depth correlation
Grant 6,151,961 - Huber , et al. November 28, 2 | 2000-11-28 |
Pressure-actuated circulation valve
Grant 6,102,126 - Huber , et al. August 15, 2 | 2000-08-15 |
Releasable connector assembly for a perforating gun and method
Grant 6,098,716 - Hromas , et al. August 8, 2 | 2000-08-08 |
Downhole activation circuit valving
Grant 5,979,561 - Edwards , et al. November 9, 1 | 1999-11-09 |
Inductive coupler activated completion system
Grant 5,971,072 - Huber , et al. October 26, 1 | 1999-10-26 |
Apparatus and method for orienting a downhole tool in a horizontal or deviated well
Grant 5,964,294 - Edwards , et al. October 12, 1 | 1999-10-12 |
System for activating a perforating device in a well
Grant 5,911,277 - Hromas , et al. June 15, 1 | 1999-06-15 |
Tubing-conveyer multiple firing head system
Grant 5,890,539 - Huber , et al. April 6, 1 | 1999-04-06 |
Method for performing downhole functions
Grant 5,887,654 - Edwards , et al. March 30, 1 | 1999-03-30 |
Downhole tubing conveyed valve
Grant 5,865,254 - Huber , et al. February 2, 1 | 1999-02-02 |
Well completion apparatus for use under pressure and method of using same
Grant 5,848,646 - Huber , et al. December 15, 1 | 1998-12-15 |
Method of perforating including an automatic release apparatus suspending by wireline or coiled tubing in a wellbore for perforating a long length interval of the wellbore in a single run using a gun string longer than a wellhead lubricator
Grant 5,509,481 - Huber , et al. April 23, 1 | 1996-04-23 |
Firing head connected between a coiled tubing and a perforating gun adapted to move freely within a tubing string and actuated by fluid pressure in the coiled tubing
Grant 5,505,261 - Huber , et al. April 9, 1 | 1996-04-09 |
Shock absorber for use in a wellbore including a frangible breakup element preventing shock absorption before shattering allowing shock absorption after shattering
Grant 5,366,013 - Edwards , et al. November 22, 1 | 1994-11-22 |
Explosively opened production valve including a frangible breakup element operated by tubing pressure or rathole pressure or both
Grant 5,318,126 - Edwards , et al. June 7, 1 | 1994-06-07 |
Automatic tubing release
Grant 5,293,940 - Hromas , et al. March 15, 1 | 1994-03-15 |
Explosive diode transfer system for a modular perforating apparatus
Grant 5,216,197 - Huber , et al. June 1, 1 | 1993-06-01 |
Method and apparatus for controlling a well tool suspended by a cable in a wellbore by selective axial movements of the cable
Grant 5,191,936 - Edwards , et al. March 9, 1 | 1993-03-09 |
Apparatus for releasing a pipe string from an object stuck downhole by continuously applying tension to said apparatus
Grant 5,158,142 - Miszewski , et al. October 27, 1 | 1992-10-27 |
Hydrostatic setting tool including a selectively operable apparatus initially blocking an orifice disposed between two chambers and opening in response to a signal
Grant 5,146,983 - Hromas , et al. September 15, 1 | 1992-09-15 |
Shock energy absorber including collapsible energy absorbing element and break up of tensile connection
Grant 5,131,470 - Miszewski , et al. July 21, 1 | 1992-07-21 |
Anchor apparatus for a tubing and wireline conveyed method and apparatus
Grant 5,095,993 - Huber , et al. March 17, 1 | 1992-03-17 |
Method and apparatus for safe transport handling arming and firing of perforating guns using a bubble activated detonator
Grant 5,088,413 - Huber , et al. February 18, 1 | 1992-02-18 |
Intra-perforating gun swivel
Grant 5,033,553 - Miszewski , et al. July 23, 1 | 1991-07-23 |
Tubing and wireline conveyed perforating method and apparatus
Grant 5,025,861 - Huber , et al. June 25, 1 | 1991-06-25 |
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