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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0651633 (1991-02-06) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 318 인용 특허 : 0 |
An arrangement to conduct electrical power from a non-hazardous area through plural electrical conductors to the electrical conductor of a power cable which extend through a sealed barrier in a wellhead in a hazardous area including a rigid conduit with a power source electrical conductor therein ex
An arrangement to conduct electrical power from a non-hazardous area through plural electrical conductors to the electrical conductor of a power cable which extend through a sealed barrier in a wellhead in a hazardous area including a rigid conduit with a power source electrical conductor therein extending into the hazardous area from an adjacent non-hazardous area for conducting electrical power to a downhole electrical conductor in the hazardous area, said rigid conduit including a seal fitting, splice fitting connected with said seal fitting and positioned adjacent the wellhead for receiving the ends of the power source electrical conductor and the ends of the downhole electrical conductor extend through the sealed barrier in the wellhead for splicing them together. The seal fitting includes a seal within 18 inches downstream of the splice fitting and also includes a breather for discharge of fluid and for inhibiting an internal explosion, flame or fire within the arrangement from exiting into the hazardous area.
An arrangement to conduct electrical power from a non-hazardous area through power source electrical conductor means to downhole electrical conductor means wherein the downhole electrical conductor means extends through a barrier in a wellhead in a hazardous area comprising: rigid tube means enclosi
An arrangement to conduct electrical power from a non-hazardous area through power source electrical conductor means to downhole electrical conductor means wherein the downhole electrical conductor means extends through a barrier in a wellhead in a hazardous area comprising: rigid tube means enclosing the downhole electrical conductor means extending through the barrier; a splice fitting adjacent the wellhead for providing an enclosure to receive the power source electrical conductor means and downhole electrical conductor means therein; a conduit portion extending from the barrier to said splice fitting and enclosing the downhole electrical conductor means; and rigid seal means sealably engaging said conduit portion with the barrier and with said splice fitting.
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