Wells – Processes – Producing the well
Patent
1998-04-29
1999-11-02
Bagnell, David J.
Wells
Processes
Producing the well
166 68, 1662421, 138140, 138146, 921701, E21B 1700, E21B 4300
Patent
active
RE0363626
ABSTRACT:
The installation of an abrasion resistent polymer liner in the production tubing string of a well which is being produced by rod pumping for the principal purpose of reducing rod wear on the tubing string, and wear on the rods and/or the rod couplings. In a preferred embodiment of the invention, the polymer liner is characterized by an extruded polymer material having a high density, which is abrasive resistant, and which has a coefficient of friction that is much lower than the coefficient of friction of metal tubing, such as high density polyethylene.
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Composite Catalog of Oilfied Services, "AMF Tuboscope, Inc.", vol. 1, pp. 156-158, 1984.
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