Coatings for reducing wear on rod pump components
AssigneeGeneral Electric Company
InventorsLawrence Bernard Kool, Dennis Michael Gray
Life of this patent
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Abstract
A pump for an oil and gas well includes a barrel with a surface configured to contact oil and gas well fluid. The pump further includes a first coating formed on at least a portion of the barrel surface. The first coating includes a combination of diamond particles and a composition including nickel and phosphorous. The pump also includes a plunger with a surface configured to contact oil and gas well fluid. The pump additionally includes a second coating formed on at least a portion of the plunger surface. The second coating includes a combination of tungsten carbide particles and a composition including cobalt and chromium.
Claims6
1-15. (canceled)
A pump for an oil and gas well, said pump comprising:
- a barrel comprising a surface configured to contact oil and gas well fluid;
- a first coating formed on at least a portion of said barrel surface, said first coating including a combination of diamond particles and a composition comprising nickel and phosphorous;
- a plunger comprising a surface configured to contact oil and gas well fluid;
- and
- a second coating formed on at least a portion of said plunger surface, said second coating including a combination of tungsten carbide particles and a composition comprising cobalt and chromium.
Dependencies are inferred from the claim text.