Patent | Date |
---|
Method and apparatus for early detection of kicks Grant 10,920,579 - Beaman, Jr. , et al. February 16, 2 | 2021-02-16 |
Method And Apparatus For Early Detection Of Kicks App 20160237810 - Beaman, JR.; Joseph J. ;   et al. | 2016-08-18 |
Selective Control Of Charging, Firing, Amount Of Force, And/or Direction Of Force Of One Or More Downhole Jars App 20110297380 - Alberty; Mark William ;   et al. | 2011-12-08 |
Blowout preventer testing system and method Grant 7,706,980 - Winters , et al. April 27, 2 | 2010-04-27 |
Blowout Preventer Testing System And Method App 20080185143 - Winters; Warren J. ;   et al. | 2008-08-07 |
Extending the lateral portion of a short-radius wellbore Grant 5,337,839 - Warren , et al. August 16, 1 | 1994-08-16 |
Method of dynamically monitoring the orientation of a curved drilling assembly and apparatus Grant 5,259,468 - Warren , et al. * November 9, 1 | 1993-11-09 |
Apparatus for drilling a curved subterranean borehole Grant 5,213,168 - Warren , et al. May 25, 1 | 1993-05-25 |
Apparatus and method for positioning a tool in a deviated section of a borehole Grant 5,210,533 - Summers , et al. May 11, 1 | 1993-05-11 |
Method of determining the rotational orientation of a downhole tool Grant 5,103,919 - Warren , et al. April 14, 1 | 1992-04-14 |
Apparatus for deflecting a drill string Grant 5,012,877 - Winters , et al. May 7, 1 | 1991-05-07 |
Method for stabilizing a rotary drill string and drill bit Grant 4,982,802 - Warren , et al. January 8, 1 | 1991-01-08 |
Method of determining rock compressive strength Grant 4,914,591 - Warren , et al. April 3, 1 | 1990-04-03 |
Drilling system and flow control apparatus for downhole drilling motors Grant 4,905,775 - Warren , et al. March 6, 1 | 1990-03-06 |
Downhole drilling assembly orienting device Grant 4,899,833 - Warren , et al. February 13, 1 | 1990-02-13 |
Excavation apparatus, system and method Grant 4,871,037 - Warren , et al. October 3, 1 | 1989-10-03 |
Downhole drilling assembly, apparatus and method utilizing drilling motor and stabilizer Grant 4,862,974 - Warren , et al. September 5, 1 | 1989-09-05 |
System for directional drilling and related method of use Grant 4,854,397 - Warren , et al. August 8, 1 | 1989-08-08 |
Apparatus for controlling the force applied to a drill bit while drilling Grant 4,721,172 - Brett , et al. January 26, 1 | 1988-01-26 |
Method and apparatus for reducing drill bit wear Grant 4,705,117 - Warren , et al. November 10, 1 | 1987-11-10 |
Method and apparatus for controlling the rotational torque of a drill bit Grant 4,660,656 - Warren , et al. April 28, 1 | 1987-04-28 |
Downhole device to detect differences in fluid density Grant 4,412,130 - Winters October 25, 1 | 1983-10-25 |