Patent | Date |
---|
Packer fluid and system and method for remote sensing Grant 8,575,936 - Bloys , et al. November 5, 2 | 2013-11-05 |
Production and delivery of a fluid mixture to an annular volume of a wellbore Grant 8,100,179 - Hermes , et al. January 24, 2 | 2012-01-24 |
Packer Fluid And System And Method For Remote Sensing App 20110267065 - BLOYS; James B. ;   et al. | 2011-11-03 |
Controlling the pressure within an annular volume of a wellbore Grant 7,963,333 - Hermes , et al. June 21, 2 | 2011-06-21 |
Controlling the pressure within an annular volume of a wellbore Grant 7,950,460 - Hermes , et al. May 31, 2 | 2011-05-31 |
Controlling the pressure within an annular volume of a wellbore Grant 7,870,905 - Hermes , et al. January 18, 2 | 2011-01-18 |
Controlling the Pressure within an Annular Volume of a Wellbore App 20100236780 - Hermes; Robert E. ;   et al. | 2010-09-23 |
Controlling the Pressure Within an Annular Volume of a Wellbore App 20100163236 - Hermes; Robert E. ;   et al. | 2010-07-01 |
Controlling the pressure within an annular volume of a wellbore Grant 7,743,830 - Hermes , et al. June 29, 2 | 2010-06-29 |
Controlling the Pressure Within an Annular Volume of a Wellbore App 20100096138 - Hermes; Robert E. ;   et al. | 2010-04-22 |
Production and Delivery of a Fluid Mixture to an Annular Volume of a Wellbore App 20090205828 - Hermes; Robert E. ;   et al. | 2009-08-20 |
Controlling the Pressure Within an Annular Volume of a Wellbore App 20090133878 - Hermes; Robert E. ;   et al. | 2009-05-28 |
Controlling the pressure within an annular volume of a wellbore Grant 7,441,599 - Hermes , et al. October 28, 2 | 2008-10-28 |
Controlling the pressure within an annular volume of a wellbore App 20070114033 - Hermes; Robert E. ;   et al. | 2007-05-24 |
Method and system for minimizing circulating fluid return losses during drilling of a well bore Grant 6,938,707 - Schmidt , et al. September 6, 2 | 2005-09-06 |
Method and system for minimizing circulating fluid return losses during drilling of a well bore App 20040226746 - Schmidt, Joseph H. ;   et al. | 2004-11-18 |
Dispersant compositions comprising sulfonated isobutylene maleic anhydride copolymer for subterranean well drilling and completion Grant 5,360,787 - Bloys , et al. November 1, 1 | 1994-11-01 |
Dispersant compositions for subterranean well drilling and completion Grant 5,292,367 - Bloys , et al. March 8, 1 | 1994-03-08 |
Sulfonated polymeric dispersant compositions for subterranean well drilling, completion, and cementing Grant 5,221,489 - Bloys , et al. June 22, 1 | 1993-06-22 |
Cementing oil and gas wells Grant 5,076,852 - Bloys , et al. December 31, 1 | 1991-12-31 |
Control of lost circulation in wells Grant 5,065,820 - Bloys , et al. November 19, 1 | 1991-11-19 |
Cementing oil and gas wells Grant 5,038,863 - Bloys , et al. August 13, 1 | 1991-08-13 |