| PETROWELL LIMITED Patent applications |
| Patent application number | Title | Published |
|---|
| 20110297254 | FLOW CONTROL DEVICE - A flow control device typically for protecting a seal ( | 12-08-2011 |
| 20110290504 | CONTROL SYSTEM - An improved control system for use in a subterranean well is described. The system comprises at least one apparatus positioned within the subterranean well, at least one power generation device positioned within the subterranean well, the at least one power generation device adapted to supply electrical power to the at least one apparatus and at least one control line positioned in the subterranean well. The at least one control line is adapted to supply a hydraulic pressure applied from surface to the at least one power generation device from which the at least one power generation device generates electrical power. | 12-01-2011 |
| 20110277986 | RUNNING ADAPTER - A plug for sealing a conduit comprises a body having a first section and a second section, and at least one seal element for creating a seal between the plug and the conduit. The at least one seal element is adapted to be energised by movement in a setting direction of the first body section relative to the second body section. The plug further comprises seal locking means comprising a first portion and a second portion wherein as the at least one seal is energised, the seal locking means first portion is rotatable unidirectionally relative to the seal locking means second portion to take up the movement of the first body section relative to the second body section in the setting direction and prevent movement of the first body section relative to the second body section in a releasing direction, opposite the setting direction. In one embodiment the seal locking means first portion is a locking nut. | 11-17-2011 |
| 20110127768 | IMPROVED TUBING SECTION COUPLING - A tubing section coupling comprises a first tubular portion and a second tubular portion ( | 06-02-2011 |
| 20110114332 | TUBING SECTION - The tubing section comprises an outer skin ( | 05-19-2011 |
| 20110005776 | IMPROVED CENTRALISER - A centraliser ( | 01-13-2011 |
| 20100170681 | TREE PLUG | 07-08-2010 |
