Apparatus and method for raising a fluid in a well

Details Apparatus and method for raising a fluid in a well Apparatus and method for raising a fluid in a well

2011-08-23

2011-08-23

Bagnell, David J (Department: 3676)

Wells

With eduction pump or plunger

Reexamination Certificate

active

08002029

ABSTRACT:
An apparatus, and a method which uses the apparatus, for raising a fluid from a lower region to a higher region of an at least partially cased well. The apparatus includes: a tubing string; a contacting structure at the upper end of the tubing string for engaging a stop structure in the well casing such that the tubing string is held in suspension; an exterior sealing element for sealing against the casing wall; and an internal check valve.

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