Chemistry: electrical and wave energy – Processes and products – Vacuum arc discharge coating
Patent
1985-06-14
1991-02-05
Nguyen, Nam X.
Chemistry: electrical and wave energy
Processes and products
Vacuum arc discharge coating
427 38, 427 39, C23C 1448, B05D 306
Patent
active
049902334
ABSTRACT:
A method for retarding non-corrosive mineral build-up and plugging in check valves utilized with downhole reciprocating rod pumps, comprising ion implanting or ion plating the interior facing metal surfaces of the check valve with a nonferrous metal or metal oxide.
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Ohmae(III), Wear 30 (1974) pp. 299-309, Carlson et al.; IBM Tech. Disc. Bull. 22 (1979), pp. 3117-3118.
Nguyen Nam X.
Permian Research Corporation
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