B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
B23P 9/02 (2006.01) B23P 25/00 (2006.01) C21D 7/04 (2006.01) C22F 3/00 (2006.01) F04B 53/16 (2006.01)
Patent
CA 2592664
A multi-step autofrettage process for pre-treating a multi- cylinder reciprocating pump fluid end that has a central cylinder and at least two side cylinders is provided that includes autofrettaging the central cylinder; and autofrettaging the at least two side cylinders, wherein the autofrettaging of the central cylinder is performed independently of the autofettaging of the at least two side cylinders.
Ganguly Partha
Hubenschmidt Joe
Pabon Jahir
Shampine Rod
St.michel Nathan
Schlumberger Canada Limited
Smart & Biggar
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