Wells – With below and above ground modification – Above ground actuating means for below ground device
Patent
1997-07-24
1999-08-10
Melius, Terry Lee
Wells
With below and above ground modification
Above ground actuating means for below ground device
166117, 166313, 447431, E21B 3412, E21B 4312
Patent
active
059343729
ABSTRACT:
The invention provides apparatus for producing well fluids from an oil bearing formation penetrated by a well. The apparatus includes a tubing string forming a production flow path for production fluids between the earth's surface and a location in the well suitable for receiving well production fluids, a power tubing generally parallel to the production tubing and connected to the flow path of the production tubing, and a cross over flow mechanism to divert the flow of production fluids from the power tubing to the production flow path. A lubricant flow path extends from the earth's surface to a location near a pumping apparatus disposed in the power tubing to allow a lubricant to be introduced into the pumping apparatus.
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patent: 3771603 (1973-11-01), Crowe
patent: 3802802 (1974-04-01), Greer
patent: 4056335 (1977-11-01), Secrist
patent: 4646839 (1987-03-01), Rickey
Melius Terry Lee
Muth Pump LLC
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