Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11346209 | Downhole interventionless depth correlation | Donald G. Kyle, Paul D. Ringgenberg, Kenneth L. Schwendemann, Adam Harold Martin, Kevin Michael Renkes +1 more | 2022-05-31 |
| 8960998 | System and method of mixing a formation fluid sample in a downhole sampling chamber with a magnetic mixing element | Paul D. Ringgenberg, Paul Herman, Donald H. Perkins | 2015-02-24 |
| 8752620 | Systems and methods for single-phase fluid sampling | Paul D. Ringgenberg, Scott Luke Miller, Cyrus A. Irani | 2014-06-17 |
| 8443897 | Subsea safety system having a protective frangible liner and method of operating same | — | 2013-05-21 |
| 8397824 | Hydraulic control system for actuating downhole tools | Adam D. Wright | 2013-03-19 |
| 8118088 | Shear activated safety valve system | Adam D. Wright, Harold W. Nivens, Roger L. Schultz | 2012-02-21 |
| 7966876 | Single phase fluid sampling apparatus and method for use of same | Cyrus A. Irani, Charles M. MacPhail, Scott Brown, Timothy R. Carlson | 2011-06-28 |
| 7950277 | Apparatus for actuating a pressure delivery system of a fluid sampler | Cyrus A. Irani, Charles M. MacPhail, Don H. Perkins | 2011-05-31 |
| 7946166 | Method for actuating a pressure delivery system of a fluid sampler | Cyrus A. Irani, Charles M. MacPhail, Don H. Perkins | 2011-05-24 |
| 7926342 | Apparatus for actuating a pressure delivery system of a fluid sampler | Cyrus A. Irani, Charles M. MacPhail, Don H. Perkins | 2011-04-19 |
| 7921876 | Rotary control valve and associated actuator control system | Adam D. Wright | 2011-04-12 |
| 7874206 | Single phase fluid sampling apparatus and method for use of same | Cyrus A. Irani, Adam D. Wright, Charles M. MacPhail | 2011-01-25 |
| 7856872 | Single phase fluid sampling apparatus and method for use of same | Cyrus A. Irani, Charles M. MacPhail, Scott Brown, Timothy R. Carlson | 2010-12-28 |
| 7762130 | Sampling chamber for a single phase fluid sampling apparatus | Cyrus A. Irani, Chuck MacPhail, Don H. Perkins | 2010-07-27 |
| 7730954 | Hydraulic control and actuation system for downhole tools | Roger L. Schultz, Melissa Allin, Paul D. Ringgenberg, Tyler T. Trinh, Adam D. Wright +1 more | 2010-06-08 |
| 7673506 | Apparatus and method for actuating a pressure delivery system of a fluid sampler | Cyrus A. Irani, Chuck MacPhail, Don H. Perkins | 2010-03-09 |
| 7624792 | Shear activated safety valve system | Adam D. Wright, Harold W. Nivens, Roger L. Schultz | 2009-12-01 |
| 7596995 | Single phase fluid sampling apparatus and method for use of same | Cyrus A. Irani, Charles M. MacPhail, Scott Brown, Timothy R. Carlson | 2009-10-06 |
| 7472589 | Single phase fluid sampling apparatus and method for use of same | Cyrus A. Irani, Chuck MacPhail, Don H. Perkins | 2009-01-06 |
| 7201230 | Hydraulic control and actuation system for downhole tools | Roger L. Schultz, Melissa Allin, Paul D. Ringgenberg, Tyler T. Trinh, Adam D. Wright +1 more | 2007-04-10 |
| 5503013 | Downhole memory gauge protection system | — | 1996-04-02 |
| 5302879 | Temperature/reference package, and method using the same for high pressure, high temperature oil or gas well | Charles D. Totty, Gary R. Dellinger, Michael Mahler, Everett D. Stokes | 1994-04-12 |
| 4782897 | Multiple indexing J-slot for model E SRO valve | — | 1988-11-08 |
| 4756364 | Packer bypass | Jon B. Christensen, Harold Kent Beck | 1988-07-12 |
| 4735264 | High pressure gauge carrier | Wesley J. Burris, II, Jon B. Christensen, William H. Shoffner | 1988-04-05 |