Submersible pump motor protector

H - Electricity – 02 – K

Patent

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Details

H02K 5/10 (2006.01) E21B 43/12 (2006.01) F04B 47/06 (2006.01) H02K 5/132 (2006.01) H02K 9/19 (2006.01)

Patent

CA 2750182

According to one or more aspects of the present disclosure, a motor protector comprises a housing defining a compensator chamber; a compensator disposed in the housing having a motor fluid end in fluid communication with a motor fluid and a well fluid end, the compensator axially moveable relative to the housing in response to the expansion and contraction of the motor fluid; and a port formed through the housing to provide fluid communication from exterior of the housing to the well fluid end of the compensator. The compensator may be one selected from the group of a bellows and a plunger.

La présente invention porte, selon un ou plusieurs aspects, sur un dispositif de protection de moteur qui comprend un boîtier définissant une chambre de compensateur ; un compensateur disposé dans le boîtier, ayant une extrémité fluidique de moteur en communication fluidique avec un fluide moteur et une extrémité fluidique de puits, le compensateur étant mobile axialement par rapport au boîtier en réponse à l'expansion et à la contraction du fluide moteur ; et un orifice formé à travers le boîtier pour assurer une communication fluidique de l'extérieur du boîtier à l'extrémité fluidique de puits du compensateur. Le compensateur peut être choisi parmi le groupe constitué par un soufflet et un piston.

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