| 7191663 |
Testing apparatus and method of deriving Young's modulus from tensile stress/strain relationships |
Virgilio Go Boncan, Murray Rogers, Thomas Heinold |
2007-03-20 |
| 7066256 |
Apparatus and method of detecting interfaces between well fluids |
Bradley T. Carlson |
2006-06-27 |
| 6832652 |
Ultra low density cementitious slurries for use in cementing of oil and gas wells |
Thomas Heinold, Murray Rogers, Windal Scott Bray |
2004-12-21 |
| 6802373 |
Apparatus and method of detecting interfaces between well fluids |
Bradley T. Carlson |
2004-10-12 |
| 6508305 |
Compositions and methods for cementing using elastic particles |
Harold Dean Brannon, Christopher John Stephenson, Dan Mueller |
2003-01-21 |
| 5658380 |
Composition for controlling the set time of cement |
— |
1997-08-19 |
| 5613558 |
Method for controlling the set time of cement |
— |
1997-03-25 |
| 5232497 |
Clay control additive for cement compositions and method of cementing |
Scott G. Nelson, Bobby E. Hall, Dean Porter |
1993-08-03 |