| 5832998 |
Coiled tubing deployed inflatable stimulation tool |
Kenneth L. Decker, Wallace G. Wilke, Jr., Jeffrey S. Walter, James C. Tucker, Kenneth W. McIntyre +2 more |
1998-11-10 |
| 5492173 |
Plug or lock for use in oil field tubular members and an operating system therefor |
Marion D. Kilgore, Imre I. Gazda, David L. Reesing |
1996-02-20 |
| 5284208 |
Production logging system using through flow line tools |
Jack Gammill Clemens, Asmundur Jonsson |
1994-02-08 |
| 5271461 |
Coiled tubing deployed inflatable stimulation tool |
Kenneth L. Decker |
1993-12-21 |
| 5195585 |
Wireline retrievable jet cleaning tool |
Jack Gammill Clemens, Stewart H. Fowler, Jr., Charles C. Cobb, William G. Boyle |
1993-03-23 |
| 5163515 |
Pumpdown toolstring operations in horizontal or high-deviation oil or gas wells |
Roger Tailby, Joseph L. Pearce, Marion D. Kilgore, Ronald K. Churchman, Jack Gammill Clemens |
1992-11-17 |
| 4730677 |
Method and system for maintenance and servicing of subsea wells |
Joseph L. Pearce, Phillip S. Sizer, John C. Gano, Robert L. Thurman, James O'Sullivan +4 more |
1988-03-15 |
| 4530485 |
Valve |
Charles R. Williams, Otto J. Granhaug |
1985-07-23 |
| 4513764 |
Valve |
— |
1985-04-30 |
| 4494608 |
Well injection system |
Charles R. Williams, Robert L. Thurman |
1985-01-22 |
| 4432416 |
Well flow control apparatus |
William R. Welch, Ernest P. Fisher, Jr. |
1984-02-21 |
| 4428557 |
Single line deep depth safety valve |
Ernest P. Fisher, Jr. |
1984-01-31 |
| 4418756 |
Method and apparatus for performing operations in well tubing |
Henry P. Arendt |
1983-12-06 |
| 4294315 |
Landing nipple |
Ernest P. Fisher, Jr., David Bills |
1981-10-13 |
| 4273186 |
Well safety valve system |
Joseph L. Pearce, Thomas M. Deaton |
1981-06-16 |
| 4227573 |
Reinforced seal unit for pumpdown pistons or well swabs |
Joseph L. Pearce, Thomas W. Ray, Donald F. Taylor |
1980-10-14 |