发明名称 |
HANGER FOR ROUND-TRIP OF TUBING STRING IN INCLINED WELLHEADS |
摘要 |
FIELD: oil and gas production. ^ SUBSTANCE: hanger comprises a body provided with jaws from beneath divided by a radial pipe sample and a grip fixture rotatable and fixed while locked. The grip fixture is equipped with an external lever, while the body has a cross-section closed groove for the lever of the grip fixture. The body is provided with a latch mechanism that represents a spring-assisted rod interacting with and fixing the lever of grip fixture while locked. Inside the jaws there is a ring sample that interacts with the latch mechanism designed as a hollow cylinder mounted in the ring sample and turnable about the body axis to be closed along the pipe perimeter. In parallel to the inclined wellhead there is a guide provided with a carriage designed to enable longitudinal motion of the guide. The carriage and the hanger body are pivotally interconnected. ^ EFFECT: improved reliability of the device, downsizing and reduced weight with possibility to centre the tubing string in relation to the axis of the inclined wellhead. ^ 3 cl, 3 dwg |
申请公布号 |
RU2387795(C1) |
申请公布日期 |
2010.04.27 |
申请号 |
RU20090103552 |
申请日期 |
2009.02.03 |
申请人 |
OTKRYTOE AKTSIONERNOE OBSHCHESTVO "TATNEFT'" IM. V.D. SHASHINA |
发明人 |
MAKHMUTOV IL'GIZAR KHASIMOVICH;STRAKHOV DMITRIJ VITAL'EVICH;ZIJATDINOV RADIK ZJAUZJATOVICH;ASADULLIN MARAT FAGIMOVICH;SULEJMANOV RINAT GABDRAKHMANOVICH;OSNOS VLADIMIR BORISOVICH |
分类号 |
E21B19/06 |
主分类号 |
E21B19/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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