Connector assembly for use with an electrical submersible component in a deepwater environment
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01R-004/60
H01R-004/58
출원번호
UP-0830286
(2007-07-30)
등록번호
US-7520768
(2009-07-01)
발명자
/ 주소
Nicholson, Joseph Allan
출원인 / 주소
Schlumberger Technology Corporation
대리인 / 주소
Wright, Daryl R.
인용정보
피인용 횟수 :
8인용 특허 :
11
초록▼
A connector for a connection assembly for providing electrical power to a submersible electrical component in a deepwater environment, such as a subsea well, includes a ceramic body having a metallized inner passageway. A conductive contact extends through the passageway and has a contact end and a
A connector for a connection assembly for providing electrical power to a submersible electrical component in a deepwater environment, such as a subsea well, includes a ceramic body having a metallized inner passageway. A conductive contact extends through the passageway and has a contact end and a cable connecting end. A conductive sleeve is disposed about an outer surface of the ceramic body. The ceramic body is retained within a connector housing that has an interface chamber and a cable retaining chamber. The contact end of the connector contact is disposed within the interface chamber, and the cable connecting end of the contact is disposed within the cable retaining chamber. The sleeve is attached to the housing to provide a seal between the interface chamber and the cable retaining chamber. When the connector is engaged with a complementary connector, a Faraday cage is provided within the interface chamber to manage the electrical field about the connection interface between the connectors.
대표청구항▼
What is claimed is: 1. An electrical connector for use in a deep water application, comprising: a ceramic body having a metallized inner surface defining a passageway extending through the ceramic body; a conductive contact disposed in the passageway, the conductive contact having a cable connectio
What is claimed is: 1. An electrical connector for use in a deep water application, comprising: a ceramic body having a metallized inner surface defining a passageway extending through the ceramic body; a conductive contact disposed in the passageway, the conductive contact having a cable connection end extending from a first open end of the passageway and a contact end extending from a second open end of the passageway; and a sleeve disposed about an outer surface of the ceramic body to exert a gripping force on the ceramic body. 2. The electrical connector as recited in claim 1, comprising a connector housing to receive the ceramic body, the housing having a first chamber and a second chamber, wherein the ceramic body extends between the first and second chambers and wherein the sleeve is attached to the connector housing to seal the first chamber from the second chamber. 3. The electrical connector as recited in claim 1, wherein the sleeve is shrink fit about the outer surface of the ceramic body. 4. The electrical connector as recited in claim 1, wherein the outer surface of the ceramic body is glazed. 5. The electrical connector as recited in claim 1, wherein the outer surface of the ceramic body is precision ground. 6. The electrical connector as recited in claim 1, comprising a conductive end cap disposed at the second open end of the ceramic body, the conductive end cap having an opening therethrough, the contact end of the conductive contact extending through the opening. 7. The electrical connector as recited in claim 6, wherein the conductive end cap has a radiused outer surface to reduce the electrical field about the contact portion. 8. The electrical connector as recited in claim 1, comprising an interface portion attached between the cable connection end of the conductive contact and the metallized inner surface. 9. The electrical connector as recited in claim 8, wherein the interface portion is made of a nickel iron material. 10. A method of providing an electrical connection to a submersible component disposed in a well, comprising: providing a ceramic body having a passageway extending therethrough; metallizing a wall of the passageway; disposing a conductive contact in the passageway, the conductive contact having a contact end extending from a first end of the passageway and a cable connecting end extending from a second end of the passageway; attaching the cable connecting end to the ceramic body; disposing a sleeve about an outer surface of the ceramic body such that the sleeve substantially seals about the ceramic body; and attaching the cable connecting end to an electrical conductor adapted to provide electrical power to the submersible component. 11. The method as recited in claim 10, wherein disposing the sleeve about the outer surface of the ceramic body comprises precision grinding the outer surface of the ceramic body, and shrink fitting the conductive sleeve about the precision ground outer surface. 12. The method as recited in claim 10, comprising: providing a housing having a first chamber and a second chamber; disposing the ceramic body in the housing such that the ceramic body extends between the first chamber and the second chamber; and attaching the sleeve to the housing to seal the first chamber from the second chamber. 13. The method as recited in claim 12, comprising engaging the contact end with a complementary connector at a connection interface, wherein the contact end is disposed in the second chamber and the cable connecting end is disposed in the first chamber. 14. The method as recited in claim 13, comprising providing a Faraday cage to manage an electrical field at the connection interface. 15. The method as recited in claim 14, wherein providing the Faraday cage comprises receiving a boot within the first chamber, the boot having a passageway for receiving a portion of the ceramic body that extends into the first chamber and a complementary portion of the complementary connector. 16. The method as recited in claim 15, wherein the boot comprises an innermost semiconductive layer, an outermost semiconductive layer, and an insulative layer disposed between the innermost and outermost semiconductive layers. 17. A system, comprising: an electrical submersible component; a cable having an electrical conductor to provide electrical power to the electrical submersible component; and a connection assembly adapted to couple the electrical conductor to the electrical submersible component, the connection assembly comprising: a first connector having a first housing having a first chamber and a second chamber, a ceramic body extending between the first and second chambers, the ceramic body having a metallized inner surface defining a passageway extending through the ceramic body, a conductive contact extending through the passageway, and a sleeve disposed about an outer surface of the ceramic body and configured to seal the first chamber from the second chamber; and a complementary connector having a complementary conductive contact configured to attach to the electrical conductor, wherein the complementary conductive contact engages with the conductive contact to provide electrical power to the electrical submersible component. 18. The system as recited in claim 17, wherein the electrical submersible component is located in a deepwater environment. 19. The system as recited in claim 17, wherein the conductive contact comprises a cable connecting end disposed in the first chamber and a contact end disposed in the second chamber, and wherein the system further comprises a flexible boot received within the second chamber when the complementary conductive contact is engaged with the conductive contact, the flexible boot configured to provide a Faraday cage about a connection interface between the complementary conductive contact and the conductive contact. 20. The system as recited in claim 19, wherein the flexible boot comprises an innermost layer made of a semiconductive material, an outermost layer made of a semiconductive material, and a middle layer disposed between the innermost and outermost layers, the middle layer made of an insulative material. 21. The system as recited in claim 17, wherein the sleeve includes a flange, and wherein the flange is welded to the first connector housing to seal the first chamber from the second chamber. 22. The system as recited in claim 21, wherein the sleeve is shrink fit about the outer surface of the ceramic body. 23. The system as recited in claim 22, wherein the outer surface of the ceramic body is precision ground.
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