System for recovering fluids from a horizontal wellbore
Patent
·
OSTI ID:6750834
The present invention is directed to a gas-lift system for facilitating the removal of fluid (liquid and/or gaseous) energy values from a subterranean geologic earth formation penetrated by a horizontally extending wellbore. In accordance with the present invention concentric tubing is disposed in the wellbore with the outer tubing being provided with one-way valves for admitting the fluids from the earth formation surrounding the tubing. These fluids flow into an annulus between the tubings and are expelled from the annulus by injecting a gas into the annulus between the tubes which closes the valves and flushes the liquids from the tubing by forcing the fluids through the inner tube to a surface collection point.
- Assignee:
- Dept. of Energy
- Patent Number(s):
- None
- OSTI ID:
- 6750834
- Country of Publication:
- United States
- Language:
- English
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