| ARTIFICIAL LIFT COMPANY LIMITED Patent applications |
| Patent application number | Title | Published |
|---|
| 20110259580 | CABLES FOR DOWNHOLE USE - A cable and coiled tubing suspends an electrically powered tool in a borehole and providing the tool with electrical power by the cable, the cable being disposed in the coiled tubing, the cable incorporating a conducting member which carries the majority of the tensile stress on the cable, and without the cable being secured along its length to the inside of the coiled tubing. The cable may be capable of supplying high voltage electrical power, in which case the cable comprises a conducting member having a steel core, an outer cladding of copper, and at least one insulating layer surrounding the outer cladding of copper, the copper making up between 20% and 40% of the total copper and steel content of the cable, the cable being able to support at least its own weight. | 10-27-2011 |
| 20110180272 | WET CONNECTION SYSTEM FOR DOWNHOLE EQUIPMENT - A wet connection system suitable for use in hydrocarbon wells preferably comprises one or more elongate, small diameter conduits ( | 07-28-2011 |
| 20110140364 | SEAL, ASSEMBLY AND METHOD, PARTICULARLY FOR DOWNHOLE ELECTRIC CABLE TERMINATIONS - A seal assembly ( | 06-16-2011 |
| 20090297255 | DRIVE MEANS - A drive means for downhole use comprises an input shaft and an output shaft, the input shaft being coupled to a means of rotation, the input shaft and the output shaft being torsionally coupled, the output shaft being coupled to the rotor of the progressive cavity pump, the input shaft lies in a first axis and the output shaft lies in a second axis, the second axis being parallel to the first axis but spaced from it so that the output shaft rotates about its axis while describing a circular path. | 12-03-2009 |
