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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0423498 (1989-10-12) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 16 인용 특허 : 8 |
An offshore subsea well includes a wellhead to which is connected an elongated somewhat flexible riser extending to the sea surface. The riser pipe is unstayed and is buoyed at least partially by a buoyancy member connected to the riser between the sea surface and the wellhead. Flow control valves a
A support system for an offshore well extending into a reservoir below a seabed, said well having wellhead means disposed at the seafloor, said system comprising: a single elongated unstayed tubular riser connected at one end to means for interconnecting said riser with said wellhead means, said ris
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