Apparatus for production in oil wells

Details Apparatus for production in oil wells Apparatus for production in oil wells

2007-07-31

2007-07-31

Beach, Thomas A. (Department: 3671)

Wells

Submerged well

C166S372000, C166S054100, C166S268000

Reexamination Certificate

active

10918311

ABSTRACT:
An apparatus uses at least one injection pump (9) positioned in proximity to an undersea petroleum well (10) to provide hydraulic fluid for hydraulic pumping equipment positioned in the bottom of the well, in order to cause a flow of produced oil. The injection pump (9) is able to suction hydraulic fluid from a tank of hydraulic fluid (8) positioned on the deck of a service unit (40). Alternatively, injection pump (9) is able to utilize water from the sea as a hydraulic fluid. Alternatively, the injection pump (9) may be integral with a Christmas tree manifold (6) or may be installed in an auxiliary well (90) in order that it's external portion does not enter into contact with seawater.

REFERENCES:
patent: 3750753 (1973-08-01), Bernard
patent: 3987852 (1976-10-01), Terry
patent: 4848471 (1989-07-01), Bencze
patent: 6688392 (2004-02-01), Shaw
patent: 2001/0007283 (2001-07-01), Johal et al.
patent: 2003/0217848 (2003-11-01), Shaw
patent: 2005/0028984 (2005-02-01), Donald et al.

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