| 9719528 | Bubble lift system and bubble lift method | Jul 27, 12 | Aug 01, 17 | MODEC, INC. |
| 8863827 | Jet pump for use with a multi-string tubing system and method of using the same for well clean out and testing | Mar 10, 10 | Oct 21, 14 | 1497690 ALBERTA LTD. |
| 7658229 | Gas lift chamber purge and vent valve and pump systems | Mar 31, 06 | Feb 09, 10 | BST Lift Systems, LLC |
| 6827146 | Double bellows gas lift valve "faustoval" | Nov 20, 02 | Dec 07, 04 | Not available |
| 6305402 | Variable orifice gas lift valve for high flow rates with detachable power source and method of using | Apr 07, 00 | Oct 23, 01 | Camco International Inc. |
| 6068015 | Sidepocket mandrel with orienting feature | Feb 05, 99 | May 30, 00 | Camco International Inc. |
| RE36566 | Spoolable coiled tubing mandrel and gas lift valves | Jan 13, 98 | Feb 15, 00 | Camco International Inc. |
| 5971004 | Variable orifice gas lift valve assembly for high flow rates with detachable power source and method of using same | Mar 09, 98 | Oct 26, 99 | Camco International Inc. |
| 5782261 | Coiled tubing sidepocket gas lift mandrel system | Sep 25, 95 | Jul 21, 98 | Not available |
| 5743717 | Nozzle-venturi gas lift flow control device | Aug 27, 97 | Apr 28, 98 | Fluid Flow Engineering Company |
| 5535767 | Remotely actuated adjustable choke valve and method for using same | Mar 14, 95 | Jul 16, 96 | HALLIBURTON COMPANY |
| 5483988 | Spoolable coiled tubing mandrel and gas lift valves | May 11, 94 | Jan 16, 96 | Camco International Inc. |
| 5217067 | Apparatus for increasing flow in oil and other wells | Jul 30, 91 | Jun 08, 93 | 474068 ALBERTA INC., BOLAN TECHNOLOGIES LTD., |
| 5172717 | Well control system | Nov 30, 90 | Dec 22, 92 | HALLIBURTON COMPANY |
| 5069242 | Gas lift valve utilizing a diaphragm pilot | Jan 25, 91 | Dec 03, 91 | Camco International Inc., HALLIBURTON COMPANY, |
| 5022427 | Annular safety system for gas lift production | Mar 02, 90 | Jun 11, 91 | HALLIBURTON COMPANY |
| 4802829 | Solar controlled water well | Feb 17, 87 | Feb 07, 89 | Not available |
| 4708595 | Intermittent oil well gas-lift apparatus | Aug 10, 84 | Nov 24, 87 | Chevron Research Company |
| 4545731 | Method and apparatus for producing a well | Feb 03, 84 | Oct 08, 85 | Camco International Inc., HALLIBURTON COMPANY, |
| 4441519 | Gas lift valve and method of presetting | Feb 08, 82 | Apr 10, 84 | MASX ENERGY SERVICES GROUP, INC. (A DELAWARE CORPORATION), SCHLUMBERGER TECHNOLOGY CORPORATION, |