Pumping system
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United States of America Patent
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-
Feb 23, 1993
Grant Date -
N/A
app pub date -
Feb 5, 1992
filing date -
Feb 5, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hydraulically activated double-acting piston pump comprising a pump body with an inlet and outlet for the production fluid, and an inlet and outlet for the hydraulic fluid. Thereby eliminating the need for sucker rod strings in pumped wells. A partition located between two coaxial hollow cylinders for keeping the production fluid separate from the hydraulic fluid.
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