SLIP JOINT
PURPOSE: A slide joint is provided for a riser between a well and a floating petroleum installation, such as an oil platform, comprising an outer pipe and an inner pipe being adapted to move telescopically relative to one another to compensate for changes in the distance between a sea bed and a plat...
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Main Author | |
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Format | Patent |
Language | English Korean |
Published |
25.02.2000
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Summary: | PURPOSE: A slide joint is provided for a riser between a well and a floating petroleum installation, such as an oil platform, comprising an outer pipe and an inner pipe being adapted to move telescopically relative to one another to compensate for changes in the distance between a sea bed and a platform. CONSTITUTION: A slide joint (10) for a riser (16) between a well and a floating petroleum installation, e.g., an oil platform, comprising an outer pipe (12) and an inner pipe (11), which pipes are adapted to move telescopically relative to one another to compensate for changes in the distance between the sea bed and the platform. The inner pipe (11) is connected to a piston (27), which piston is responsive to actuation by hydraulic pressure in order to provide tractive force on the riser (16). The outer diameter of the inner pipe (11) is adapted to the diameter of the outer pipe (12) so as to form an annulus (25) between the pipes. The piston (27) is fixedly connected to the inner pipe (11) at or near the downward oriented end thereof, the annulus (25)above the piston (27) being subjected to hydraulic pressure. Below the piston (27) is provided a protective sleeve (29), which is slidingly disposed within the outer pipe (12).
해저와 플랫폼간의 거리의 변화를 보상하도록 서로에 대해 포개어 끼워지는 외부관(12) 및 내부관(11)을 포함하고 있는, 오일 플랫폼과 같은 부유 석유 설비와 유정 사이의 라이저(16)를 위한 미끄럼식 죠인트(10)가 개시된다. 내부관(11)은 라이저(16)상에 견인력을 제공하기 위하여 유압에 의해 작동에 반응하는 피스톤(27)에 고정적으로 연결되어 있다. 내부관(11)의 외경은 내부관(11)과 외부관(12) 사이에 환형부(25)를 형성할 수 있도록 외부관(12)의 직경에 재해 적절하게 형성되어 있다. 피스톤(27)은 내부관(11)의 하단부 또는 그 근처에서 내부관(11)에 고정적으로 연결되어 있으며, 피스톤(27) 상부의 환형부(25)는 유압에 영향을 받는다. 외부관(12) 내부에 활주 가능하게 배치되는 보호 슬리브(29)가 피스톤(27)의 아래에 제공되어 있다. |
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Bibliography: | Application Number: KR19980709074 |