H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 5/00 (2006.01) E21B 4/00 (2006.01) E21B 43/12 (2006.01) F04D 13/06 (2006.01) F04D 13/10 (2006.01) F04D 31/00 (2006.01) H02K 5/132 (2006.01)
Patent
CA 2265289
A downhole pumping system includes a downhole pump that is coupled to a downhole motor. The downhole motor includes a motor protector that utilizes one or more retractable and extensible bellows, instead of an elastomeric bag, to accommodate motor oil contraction and expansion.
Camco International Inc.
Marks & Clerk
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