Oil well evacuation system

Details Oil well evacuation system Oil well evacuation system

E - Fixed Constructions

21

B

262/41

E21B 43/00 (2006.01) E21B 37/00 (2006.01) E21B 37/02 (2006.01)

Patent

CA 1227227

OIL WELL EVACUATION SYSTEM Abstract of the Disclosure A system for evacuating sand, paraffin, and other particulate matter from an oil well, while simultaneously lifting the oil to the surface and stimulating its rate of production, comprises a series of transport units attached to an endless belt. The belt is positively driven between a wellhead station at the surface and a downhole module which is self centering within the well casing, thereby avoiding damage and wear to the casing. Preferably, the belt comprises a roller chain which enables the depth and rate of production of the evacuation system to be easily adjusted. The transport units are replaceably mounted on the belt and are specially designed to agitate and accumulate the particulate matter in the oil well.

473249

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