C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 77/00 (2006.01) B29C 45/14 (2006.01) C08L 67/00 (2006.01) C08L 79/04 (2006.01) C08L 81/00 (2006.01) E21B 17/00 (2006.01)
Patent
CA 2145907
The present invention describes new low friction compositions for making rod guides where the compositions are designed to increase the limiting PV value, decrease the wear factor, K, and decrease the differential coefficient of friction to improve rod guide wear and to decrease frictional drag. The compositions include one or more high performance matrix polymers and one or more friction reducing agents. The invention also describes new rod guide constructions which make use of the new low friction compositions, and new rod guide constructions that contain reservoirs of friction reducing agents.
O'hair Dan E.
Sable Don E. II
Enterra Patco Oilfield Products Inc.
Kirby Eades Gale Baker
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