E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/27
E21B 43/18 (2006.01)
Patent
CA 1207226
-10- Abstract of the Disclosure Apparatus and methods are provided for installing and removing a downhole rod pump from a well while preventing flow of fluids from the well through a production tubing string.
447472
Conoco Inc.
Ridout & Maybee Llp
LandOfFree
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