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RU94016877A - TUBE TEST VALVE AND METHOD FOR EXTRACTING A TEST COLUMN FROM A PERMANENT PACKER - Google Patents

TUBE TEST VALVE AND METHOD FOR EXTRACTING A TEST COLUMN FROM A PERMANENT PACKER

Info

Publication number
RU94016877A
RU94016877A RU94016877/03A RU94016877A RU94016877A RU 94016877 A RU94016877 A RU 94016877A RU 94016877/03 A RU94016877/03 A RU 94016877/03A RU 94016877 A RU94016877 A RU 94016877A RU 94016877 A RU94016877 A RU 94016877A
Authority
RU
Russia
Prior art keywords
valve
ball
column
allows
tool
Prior art date
Application number
RU94016877/03A
Other languages
Russian (ru)
Other versions
RU2107806C1 (en
Inventor
Форбес Коуттс Грэм
Чарлз Эдвардз Джефри
Original Assignee
Эксплорэйшн энд Продакшн Сервисиз (Норт Си) Лимитед
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB919117119A external-priority patent/GB9117119D0/en
Application filed by Эксплорэйшн энд Продакшн Сервисиз (Норт Си) Лимитед filed Critical Эксплорэйшн энд Продакшн Сервисиз (Норт Си) Лимитед
Publication of RU94016877A publication Critical patent/RU94016877A/en
Application granted granted Critical
Publication of RU2107806C1 publication Critical patent/RU2107806C1/en

Links

Claims (1)

Тюбинговый испытательный канал предназначен для использования в буровой колонне для испытания давлением труб и скважинного оборудования, в частности в обсаженных скважинах, на который установлен постоянный пакер. Клапан допускает самонаполнение во время спуска колонны в скважину, но позволяет производить испытания давлением, когда установлен в скважине стационарно. Клапан также позволяет многократно вводить колонну в постоянные пакеры и извлекать ее из них без перевода инструмента в фиксированное открытое положение. Это достигается за счет использования шарового клапана с отверстием в корпусе инструмента, который может перемещаться в осевом направлении и вращаться вместе с каналом корпуса. Шаровой клапан имеет боковые отверстия и верхнее отверстие, которые регулируют поток через клапан. В одном варианте воплощения шаровой элемент подвешен на спиральной пружине над нижним седлом клапана во время спуска колонны и закрепляется для испытаний давлением под воздействием давления среды, подаваемой сверху. В другом варианте воплощения шаровой элемент смещен пружиной в положении взаимодействия с седлом клапана в стационарном положении для обеспечения возможности проведения испытаний давлением во время спуска, когда поток среды поднимает шар с его седла для обеспечения возможности самонаполнения. В обоих вариантах воплощения шаровой элемент имеет пазы, в которые входят пальцы, которые позволяют шаровому элементу поворачиваться, когда инструмент находится в пакере и когда он взаимодействует с седлом клапана для нарушения герметичности и обеспечения возможности уравнивания в канале над и под шаровым элементом. Это позволяет извлечь инструмент из пакера.The tubing test channel is intended for use in a drill string for pressure testing of pipes and downhole equipment, in particular in cased wells, on which a permanent packer is installed. The valve allows self-filling during the descent of the column into the well, but allows for pressure testing when installed in a well permanently. The valve also allows you to repeatedly enter the column in the permanent packers and extract it from them without moving the tool to a fixed open position. This is achieved through the use of a ball valve with a hole in the tool body, which can move in the axial direction and rotate with the body channel. The ball valve has side holes and an upper hole that regulate the flow through the valve. In one embodiment, the ball member is suspended on a coil spring above the lower valve seat during the descent of the column and secured for pressure testing under the pressure of a medium supplied from above. In another embodiment, the ball member is biased by the spring in the position of engagement with the valve seat in a stationary position to allow for pressure testing during descent when the flow of medium lifts the ball from its seat to allow self-completion. In both embodiments, the ball element has grooves that include fingers that allow the ball element to rotate when the tool is in the packer and when it interacts with the valve seat to break the tightness and allow equalization in the channel above and below the ball element. This allows you to remove the tool from the packer.
RU94016877A 1991-08-08 1992-07-23 Pipe testing valve and method for removing testing string from permanent packer RU2107806C1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB91171199 1991-08-08
GB919117119A GB9117119D0 (en) 1991-08-08 1991-08-08 Tubing test valve
GB9117119.9 1991-08-08
PCT/GB1992/001351 WO1993003255A2 (en) 1991-08-08 1992-07-23 Tubing test valve

Publications (2)

Publication Number Publication Date
RU94016877A true RU94016877A (en) 1995-10-10
RU2107806C1 RU2107806C1 (en) 1998-03-27

Family

ID=10699691

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94016877A RU2107806C1 (en) 1991-08-08 1992-07-23 Pipe testing valve and method for removing testing string from permanent packer

Country Status (8)

Country Link
US (1) US5484022A (en)
EP (1) EP0597898B1 (en)
AU (1) AU671954B2 (en)
CA (1) CA2115247A1 (en)
DE (1) DE69225596T2 (en)
GB (1) GB9117119D0 (en)
RU (1) RU2107806C1 (en)
WO (1) WO1993003255A2 (en)

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US9453388B2 (en) * 2012-04-11 2016-09-27 MIT Innovation Sdn Bhd Apparatus and method to remotely control fluid flow in tubular strings and wellbore annulus
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CN103541685A (en) * 2013-10-08 2014-01-29 安东石油技术（集团）有限公司 Reverse circulation valve allowing opening and closing
CN103541686A (en) * 2013-10-08 2014-01-29 安东石油技术（集团）有限公司 Switchable reverse circulation valve
CN103670332B (en) * 2013-12-31 2016-02-10 安东石油技术（集团）有限公司 Shaft isolation valve
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