RU2000119798A - The tool and method for injecting treatment fluids into a subterranean geological formation - Google Patents

The tool and method for injecting treatment fluids into a subterranean geological formation

Info

Publication number
RU2000119798A
RU2000119798A RU2000119798/03A RU2000119798A RU2000119798A RU 2000119798 A RU2000119798 A RU 2000119798A RU 2000119798/03 A RU2000119798/03 A RU 2000119798/03A RU 2000119798 A RU2000119798 A RU 2000119798A RU 2000119798 A RU2000119798 A RU 2000119798A
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RU
Russia
Prior art keywords
tool
fluid
closed
borehole
method
Prior art date
Application number
RU2000119798/03A
Other languages
Russian (ru)
Other versions
RU2209296C2 (en
Inventor
Рейнауд Хендрик Юрген БЛОК
Ян Дирк Боссартс
Original Assignee
Шелл Интернэшнл Рисерч Маатсхаппий Б.В.
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 to EP97310613A priority Critical patent/EP0926310A1/en
Priority to EP97310613.1 priority
Application filed by Шелл Интернэшнл Рисерч Маатсхаппий Б.В. filed Critical Шелл Интернэшнл Рисерч Маатсхаппий Б.В.
Publication of RU2000119798A publication Critical patent/RU2000119798A/en
Application granted granted Critical
Publication of RU2209296C2 publication Critical patent/RU2209296C2/en

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Claims (10)

1. Инструмент для нагнетания пропитывающих жидкостей внутрь геологической формации, окружающей подземную буровую скважину, содержащий корпус инструмента, который определяет собой продольную ось, которая при использовании инструмента занимает положение, соответствующее продольному направлению, внутри подземной буровой скважины; 1. A tool for injecting treatment fluids into formation surrounding an underground borehole, comprising a tool body which defines a longitudinal axis which when using the tool in the position corresponding to the longitudinal direction within an underground wellbore; по меньшей мере, три расположенных с промежутком между собой в осевом направлении узла поршня, выполненных наподобие используемых для вызова притока в скважину, которые несет на себе корпус инструмента, и которые расположены таким образом, что при использовании инструмента образуется, по меньшей мере, два расположенных с промежутком между собой в осевом направлении замкнутых кольцевых пространства, находящихся между корпусом инструмента и стенкой буровой скважины; at least three spaced with each other in the axial direction of the piston assembly made of the type used for the call into the well inflow, which bears the tool body and which are arranged so that when using the tool is formed by at least two spaced with a gap between them in the axial direction of the closed annular space located between the tool body and the borehole wall; по меньшей мере, два подающих трубопровода для подвода пропитывающей жидкости, каждый из которых выполнен с возможностью подсоединения его с образованием гидравлической связи между ними к одному из указанных замкнутых кольцевых пространств; at least two feed conduit for supplying the impregnating liquid, each of which is adapted to connect it to form a fluid communication between one of said closed annular spaces; а также средства для перемещения корпуса инструмента в продольном направлении с регулируемой скоростью по буровой скважине с одновременным нагнетанием различных пропитывающих жидкостей через подающие трубопроводы и замкнутые кольцевые пространства внутрь окружающей скважину геологической формации. and means for moving the tool body in the longitudinal direction at a controlled speed through the borehole while different treatment fluids injection through the supply lines are closed and the annular spaces into the surrounding formation.
2. Инструмент по п. 1, в котором каждый подающий трубопровод для подвода пропитывающей жидкости выполнен с возможностью подсоединения его к соответствующему насосу, который приспособлен для нагнетания жидкости с регулируемой производительностью по подсоединенному к нему подающему трубопроводу и через соответствующее замкнутое кольцевое пространство, откуда она поступает в поровое пространство земляной формации, окружающей замкнутое кольцевое пространство. 2. The tool of claim. 1, in which each supply conduit for supplying the impregnating liquid is adapted to connect it to the corresponding pump, which is adapted to discharge fluid at a controlled performance of the connected thereto via a supply line and a corresponding closed annular space, whence it enters in the pore spaces of earth formation surrounding a closed annulus.
3. Инструмент по п. 1, в котором подающие трубопроводы для подвода пропитывающей жидкости выполнены в виде пары концентричных, свернутых спиралью подъемных труб. 3. The tool according to Claim. 1, wherein the supply conduits for supplying impregnating liquid formed as a pair of concentric, coiled tubing lift.
4. Способ для нагнетания пропитывающих жидкостей внутрь геологической формации, окружающей подземную буровую скважину с использованием инструмента по п. 1, согласно которому осуществляют: . 4. A method for injecting treatment fluids into formation surrounding an underground borehole using the tool of claim 1, which is carried out according to:
перемещение указанного инструмента в продольном направлении по стволу скважины, а также одновременное нагнетание при помощи насоса первой пропитывающей жидкости по одному из подающих трубопроводов для подвода пропитывающей жидкости в поровое пространство геологической формации, окружающей одно из замкнутых кольцевых пространств, в то время как вторая пропитывающая жидкость нагнетается соответствующим насосом по другому подающему трубопроводу для подвода пропитывающей жидкости в поровое пространство геологической формации, окруж moving said tool through the borehole in the longitudinal direction as well as the simultaneous injection by pump first impregnating liquid according to one of the feed conduits for supplying the impregnating liquid into the pore spaces of the formation surrounding one of the closed annular spaces whilst a second treatment fluid is pumped corresponding pump in another supply line for supplying the impregnating liquid into the pore spaces of the formation circle ающей другое замкнутое кольцевое пространство. ayuschey another closed annulus.
5. Способ по п. 4, который предусматривает протягивание или проталкивание инструмента по стволу скважины под воздействием подающих трубопроводов, а также нагнетание жидкости для предварительного промывания в поровое пространство геологической формации, окружающей ствол скважины, на участке впереди указанного инструмента через замкнутое кольцевое пространство, окружающее подающие трубопроводы. 5. The method of claim. 4, which provides for pulling or pushing tool through the borehole by the supply lines and pumping fluid for pre-wash into the pore spaces of the formation surrounding the borehole, at the front portion of said instrument through a closed annular space surrounding supply lines.
6. Способ по п. 4, который предусматривает нагнетание первой пропитывающей жидкости через переднее крайнее замкнутое кольцевое пространство, окружающее корпус инструмента, который несет на себе узлы поршня в сборе, выполненные наподобие используемых для вызова притока в скважину, а также нагнетание второй пропитывающей жидкости через заднее крайнее замкнутое кольцевое пространство, окружающее корпус инструмента. 6. The method of claim. 4, which comprises injecting a first treatment fluid via the front end closed annular space surrounding the tool body which carries the components of the piston assembly formed like used for the call into the well inflow, and injecting a second treatment fluid through rear extreme closed annular space surrounding the tool body.
7. Способ по п. 6, который предусматривает выполнение подающих трубопроводов для подвода пропитывающих жидкостей в виде пары концентричных, свернутых спиралью подъемных труб, нагнетание первой пропитывающей жидкости в переднее крайнее замкнутое кольцевое пространство через наружную, свернутую спиралью подъемную трубу, а также нагнетание второй пропитывающей жидкости в заднее крайнее замкнутое кольцевое пространство по внутренней, свернутой спиралью подъемной трубе, которая пропущена насквозь через центр корпуса инструмента таким об 7. The method of claim. 6, which provides for execution of the feed conduits for supplying impregnation liquids to a pair of concentric, coiled lift pipe, pumping a first treatment fluid in a closed front end through the outer annulus, coiled riser and injecting a second impregnating fluid in the rear extreme closed annular space by inner coiled lift tube which is passed completely through the body of the tool center in such азом, что она находится в гидравлической связи с задним крайним замкнутым кольцевым пространством. azom that it is in fluid communication with the rearmost annular space closed.
8. Способ по п. 4, который предусматривает нагнетание первой и второй пропитывающих жидкостей при помощи соответствующих насосов в замкнутые кольцевые пространства при регулировании производительности насосов, величину которой устанавливают пропорционально скорости, с которой инструмент перемещается по стволу скважины. 8. The method of claim. 4, which provides for injecting the first and second treatment fluids by means of suitable pumps in the closed annular spaces in regulating the capacity of the pumps, which is set in proportion to the magnitude of the speed with which the tool moves through the borehole.
9. Способ по п. 4, который предусматривает использование средства для цементирования нефтеносных песчаных пластов в качестве первой пропитывающей жидкости, а также жидкости для промывания скважины подачей ее туда в избыточном количестве - в качестве второй пропитывающей жидкости. . 9. A method according to claim 4, which comprises the use of means for cementing oil sands as the first treatment fluid, and the fluid for washing the wells to feed it in excess - in a second treatment fluid.
10. Способ по п. 4, который предусматривает использование химического агента для воздействия на пласт для повышения нефте- и/или газоотдачи подземной геологической формации в качестве первой пропитывающей жидкости, а также жидкости для промывания скважин подачей ее туда в избыточном количестве - в качестве второй пропитывающей жидкости. . 10. The method of claim 4, which comprises using a chemical agent to influence the formation to enhance oil and / or gas recovery in subterranean formations as the first treatment fluid, and the fluid for washing the wells to feed it in excess - as a second impregnation liquid.
RU2000119798A 1997-12-24 1998-12-23 Tool and method for injection of impregnating fluids into underground geological formation RU2209296C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP97310613A EP0926310A1 (en) 1997-12-24 1997-12-24 Apparatus and method for injecting treatment fluids into an underground formation
EP97310613.1 1997-12-24

Publications (2)

Publication Number Publication Date
RU2000119798A true RU2000119798A (en) 2002-06-20
RU2209296C2 RU2209296C2 (en) 2003-07-27

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Country Status (10)

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US (1) US6260622B1 (en)
EP (2) EP0926310A1 (en)
AU (1) AU739175B2 (en)
CA (1) CA2315024C (en)
DE (1) DE69804017T2 (en)
GC (1) GC0000013A (en)
NO (1) NO320304B1 (en)
OA (1) OA11436A (en)
RU (1) RU2209296C2 (en)
WO (1) WO1999034092A1 (en)

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US5335732A (en) * 1992-12-29 1994-08-09 Mcintyre Jack W Oil recovery combined with injection of produced water
CA2249432C (en) * 1996-03-19 2005-09-13 Bj Services Company, Usa Method and apparatus using coiled-in-coiled tubing

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