| 7665526 |
System and method for downhole operation using pressure activated and sleeve valve assembly |
Dewayne Turner, Richard J. Ross |
2010-02-23 |
$17,481,000 |
| RE40648 |
System and method for downhole operation using pressure activated valve and sliding sleeve |
Dewayne Turner, Dick Ross |
2009-03-10 |
|
| 7490669 |
Multi-zone, single trip well completion system and methods of use |
David Walker, Dewayne Turner, Gregg W. Stout, Todd Ulrich Chretien, Christopher L. Blackler +1 more |
2009-02-17 |
$21,141,000 |
| 7472750 |
Single trip horizontal gravel pack and stimulation system and method |
David Walker, Wade Rebardi, Floyd Bishop |
2009-01-06 |
$16,628,000 |
| 7383884 |
Cross-over tool |
Dewayne Turner, Stephen C. Yeary, Gregg W. Stout, Christopher L. Blackler |
2008-06-10 |
$70,301,000 |
| 7331388 |
Horizontal single trip system with rotating jetting tool |
Alvaro Jose Vilela, David Walker, Wade Rebardi, Floyd Bishop |
2008-02-19 |
$44,813,000 |
| 7303020 |
Interventionless oil tool actuator with floating piston and method of use |
Floyd Bishop, Richard J. Ross |
2007-12-04 |
$20,590,000 |
| 7210527 |
Single trip horizontal gravel pack and stimulation system and method |
David Walker, Wade Rebardi, Floyd Bishop |
2007-05-01 |
$22,249,000 |
| 7201232 |
Washpipeless isolation strings and methods for isolation with object holding service tool |
Dewayne Turner, Donald H. Michel, Richard J. Ross, Floyd Bishop, Gregg W. Stout |
2007-04-10 |
$36,168,000 |
| 7152678 |
System and method for downhole operation using pressure activated valve and sliding sleeve |
Dewayne Turner, Dick Ross |
2006-12-26 |
$73,240,000 |
| 7150326 |
Bi-directional ball seat system and method |
Floyd Bishop, Richard J. Ross, David Walker, Dewayne Turner |
2006-12-19 |
$37,410,000 |
| 7124824 |
Washpipeless isolation strings and methods for isolation |
Dewayne Turner, Donald H. Michel, Richard J. Ross, Floyd Bishop |
2006-10-24 |
$82,155,000 |
| 7021389 |
Bi-directional ball seat system and method |
Floyd Bishop, Richard J. Ross, David Walker, Dewayne Turner |
2006-04-04 |
$82,492,000 |
| 7017664 |
Single trip horizontal gravel pack and stimulation system and method |
David Walker, Wade Rebardi, Floyd Bishop |
2006-03-28 |
$42,618,000 |
| 6981551 |
Cross-over tool return port cover |
Dewayne Turner, Christopher L. Blackler, Stephen C. Yeary, Gregg W. Stout |
2006-01-03 |
$39,115,000 |
| 6722440 |
Multi-zone completion strings and methods for multi-zone completions |
Dewayne Turner, Dick Ross |
2004-04-20 |
$54,199,000 |
| 6568474 |
Rigless one-trip perforation and gravel pack system and method |
Kevin R. George, Stanley Wall, Barry Ed Smith, David Walker, David Hebert |
2003-05-27 |
$56,784,000 |
| 6405800 |
Method and apparatus for controlling fluid flow in a well |
David Walker, Dewayne Turner |
2002-06-18 |
$2,705,000 |
| 6206100 |
Separable one-trip perforation and gravel pack system and method |
Kevin R. George, Stanley Wall, Barry Ed Smith, David Walker, Stephen C. Yeary |
2001-03-27 |
$2,364,000 |
| 5332038 |
Gravel packing system |
Wiliam T. Tapp, Richard A. Mollicone |
1994-07-26 |
$7,950,000 |
| 4671352 |
Apparatus for selectively injecting treating fluids into earth formations |
Robert L. Magee, Jr. |
1987-06-09 |
|
| 4638860 |
Apparatus for blocking communication between well bore intervals |
Robert L. Magee, Jr. |
1987-01-27 |
|