[특허]Apparatus for deploying and energizing submergible electric motor downhole

Apparatus for deploying and energizing submergible electric motor downhole 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E21B-047/00 H01R-004/60
출원번호	US-0563181 (1990-08-06)
발명자 / 주소	Conner Stephen E. (Ramona OK) Dwiggins Jeffrey L. (Bartlesville OK) Brookbank Earl B. (Bartlesville OK)
출원인 / 주소	Camco, Incorporated (Houston TX 02)
인용정보	피인용 횟수 : 37 인용 특허 : 0

초록 ▼

Apparatus for deploying and energizing pumping apparatus including a submergible electric motor comprises a cable socket assembly and a cable connecting-and-sealing chamber assembly. The cable socket assembly has a housing that is connected at a lower end to an upper end of a housing of the cable connecting-and-sealing chamber assembly, the lower end of which is connected to a housing of the motor. The upper end of the housing of the cable socket assembly has an attachment portion provided with a breakaway connection to a weight-bearing cable. An electrical cable extends through the housing of the cable socket assembly to the housing of the cable connecting-and-sealing chamber assembly, which is divided by the body of a penetrator into upper and lower chambers. Sets of conductors in the chambers are connected, respectively, to the electrical cable and to the motor, and are interconnected with each other via feed-through elements (mandrels) associated with the body. The chambers are filled with fluid that excludes well fluid. If the pumping apparatus becomes stuck downhole, the cables may be disconnected from the pumping apparatus and pulled from the well. Then the pumping apparatus may be retrieved without exposing the interior of the motor to well fluid.

대표청구항 ▼

Apparatus for deploying and energizing a submergible electric motor downhole, comprising a cable socket assembly and a cable connecting-and-sealing chamber assembly adapted to be arranged seriatim in the path of cable means and the motor, said assemblies having first and second housings, respectively, means for connecting a lower end of the first housing to an upper end of the second housing, a lower end of the second housing being adapted for connection to the motor, said cable socket assembly having an attachment portion including means for attaching a weight-bearing cable of said cable means to the first housing via a breakaway connection, the first housing having a passage therein adapted to pass an electrical cable of said cable means to the second housing, the second housing being divided by a body therein into first and second chambers sealed from each other, the first chamber being adapted to communicate sealingly with said passage and the second chamber being adapted to communicate sealingly with the interior of the motor, a first set of electrical conductors in said first chamber and a second set of electrical conductors in said second chamber, said body having feed-through means for electrically interconnecting conductors of the first set with corresponding conductors of the second set, the conductors of the first set having electrical connector parts adapted to connect releasably with corresponding electrical connector parts of said electrical cable, and the conductors of said second set having electrical connector parts adapted to connect with corresponding electrical connector parts of the motor, each of said chambers being adapted to be filled with a fluid to exclude well fluid therefrom, whereby, if said breakaway connection is broken to free the weight-bearing cable from the first housing and the connection between the first set of conductors and the electrical cable is released, the second chamber and the interior of the motor will remain sealed against entry of well fluid.

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Apparatus for deploying and energizing submergible electric motor downhole 원문보기

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Apparatus for deploying and energizing submergible electric motor downhole 원문보기

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