| Caledyne Limited Patent applications |
| Patent application number | Title | Published |
| 20110290507 | Communication Method and Apparatus for Insert Completions - A method of providing a communication conduit for a down-hole tool includes the steps of: forming a communication port at an existing portion of the down-hole tool located below the valves of the Christmas tree; and extending the communication conduit through the formed port. | 12-01-2011 |
| 20110037231 | SHAFT SEAL FOR DOWN-HOLE TOOLS - A sealing apparatus for a downhole tool having a movable member ( | 02-17-2011 |
| 20110036585 | ACTUATOR DEVICE FOR DOWNHOLE TOOLS - An actuator device for downhole tools comprising: indexing means for progressively moving a rupturing member ( | 02-17-2011 |
| 20090056948 | Safety Valve - There is disclosed a safety valve for use in well bore operations, for example, in cooperation with a progressive cavity pump or rodpump. In one embodiment of the invention, a safety valve ( | 03-05-2009 |