Lockable anchor for insertable progressing cavity pump

Details Lockable anchor for insertable progressing cavity pump Lockable anchor for insertable progressing cavity pump

2011-02-09

2011-12-27

Andrews, David (Department: 3672)

Wells

Expansible anchor or casing

Fluid pressure actuated

C166S382000

Reexamination Certificate

active

08082985

ABSTRACT:
Embodiments of the invention generally relate to methods and apparatuses for anchoring progressing cavity (PC) pumps. In one embodiment, a method of anchoring a PC pump to a string of tubulars disposed in a wellbore which includes acts of inserting the PC pump and anchor assembly into the tubular. Running the PC pump and anchor assembly through the tubular to any first longitudinal location along the tubular string. Longitudinally and rotationally coupling the PC pump and the anchor assembly to the tubular and forming a seal between the PC pump and the tubular string at the first location and performing a downhole operation in the tubular.

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patent: 2 357 533 (2001-06-01), None
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GB Examination Report for Application No. GB0813642.6 dated Apr. 4, 2011.
Canadian Office Action for Application No. 2,638,260 dated May 30, 2011.
Caledyne PCP Sealing Anchor, Caledyne 2005, 1 Page.
Insert Pump Anchor, Weatherford Artificial Lift Systems, 2002, 2 Pages.
G-Pack, Nov. 14, 2005, 1 Page.
Canadian Office Action for Application No. 2,638,260 dated Oct. 8, 2009.
GB Search Report for Application No. GB0813642.6 dated Sep. 29, 2008.

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