Issued Patents All Time
Showing 1–25 of 124 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8316944 | System for pulse-injecting fluid into a borehole | Mahendra Samaroo, Brett Charles Davidson, John Michael Warren, Jason C. Mailand | 2012-11-27 |
| 8061421 | Borehole seismic pulse generation using rapid-opening valve | Mahendra Samaroo, Thomas James Timothy Spanos, Brett Charles Davidson | 2011-11-22 |
| 7387164 | Method and apparatus for selective injection or flow control with through-tubing operation capacity | Arthur J. Morris | 2008-06-17 |
| 7363980 | Downhole flow control apparatus, operable via surface applied pressure | — | 2008-04-29 |
| 6892816 | Method and apparatus for selective injection or flow control with through-tubing operation capacity | Arthur J. Morris | 2005-05-17 |
| 6631767 | Method and apparatus for selective injection or flow control with through-tubing operation capacity | Arthur J. Morris | 2003-10-14 |
| 6494264 | Wellbore flow control device | Dwyane D. Leismer, Clay W. Milligan, Jr. | 2002-12-17 |
| 6422312 | Multizone production monitoring system | Leroy C. Delatorre, James Reaux, Arthur J. Morris | 2002-07-23 |
| 6378610 | Communicating with devices positioned outside a liner in a wellbore | Chistophe M. Rayssiguier, Michael Robert Johnson, John A. Booker, Alexandre Kosmala | 2002-04-30 |
| 6328109 | Downhole valve | Clay W. Milligan, Jr., Dennis M. Read, Jr. | 2001-12-11 |
| 6321842 | Flow control in a wellbore | Clay W. Milligan, Jr. | 2001-11-27 |
| 6311776 | Dual diverter and orientation device for multilateral completions and method | Clay W. Milligan, Jr., Robert Coon | 2001-11-06 |
| 6308783 | Wellbore flow control device | Clay W. Milligan, Jr., Dwayne Leismer | 2001-10-30 |
| 6305402 | Variable orifice gas lift valve for high flow rates with detachable power source and method of using | — | 2001-10-23 |
| 6302203 | Apparatus and method for communicating with devices positioned outside a liner in a wellbore | Chistophe M. Rayssiguier, Michael Robert Johnson, John A. Booker | 2001-10-16 |
| 6276458 | Apparatus and method for controlling fluid flow | David L. Malone | 2001-08-21 |
| 6247535 | Orienting and locking swivel and method | Clay W. Milligan, Jr. | 2001-06-19 |
| 6241015 | Apparatus for remote control of wellbore fluid flow | Clay W. Milligan, Jr., Dwayne Leismer | 2001-06-05 |
| 6237683 | Wellbore flow control device | Clay W. Milligan, Jr., Dwayne Leismer | 2001-05-29 |
| 6231312 | Variable orifice gas lift valve for high flow rates with detachable power source and method of using | — | 2001-05-15 |
| 6227302 | Apparatus and method for controlling fluid flow in a wellbore | Clay W. Milligan, Jr. | 2001-05-08 |
| 6209653 | Well lock with multiple shear planes and related methods | — | 2001-04-03 |
| 6209649 | Selective re-entry tool for multiple tubing completions and method of using | Clay W. Milligan, Jr., Dwayne Leismer | 2001-04-03 |
| 6206645 | Variable orifice gas lift valve for high flow rates with detachable power source and method of using | — | 2001-03-27 |
| 6148843 | Variable orifice gas lift valve for high flow rates with detachable power source and method of using | — | 2000-11-21 |