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SU1686125A1 - Device for downhole casing repairs - Google Patents

Device for downhole casing repairs Download PDF

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Publication number
SU1686125A1
SU1686125A1 SU894687680A SU4687680A SU1686125A1 SU 1686125 A1 SU1686125 A1 SU 1686125A1 SU 894687680 A SU894687680 A SU 894687680A SU 4687680 A SU4687680 A SU 4687680A SU 1686125 A1 SU1686125 A1 SU 1686125A1
Authority
SU
USSR - Soviet Union
Prior art keywords
pipe
sectors
housing
hollow
thrust
Prior art date
Application number
SU894687680A
Other languages
Russian (ru)
Inventor
Альберт Васильевич Иванов
Original Assignee
Всесоюзный научно-исследовательский и проектный институт по креплению скважин и буровым растворам
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Application filed by Всесоюзный научно-исследовательский и проектный институт по креплению скважин и буровым растворам filed Critical Всесоюзный научно-исследовательский и проектный институт по креплению скважин и буровым растворам
Priority to SU894687680A priority Critical patent/SU1686125A1/en
Application granted granted Critical
Publication of SU1686125A1 publication Critical patent/SU1686125A1/en

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  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)

Description

Устройство дл  ремонта обсадной колонны труб в скважине (фиг. 1) состоит из полого корпуса с последовательно установленными в нем силовыми гидравлическими цилиндрами, расположенными в гидроци- линдрах телескопически установленного в полости корпуса полого штока 1 с поршн ми , пластыр  3, дорнирующей головки Д, упорного патрубка 2, который телескопически установлен в нижней части полости кор- пуса и имеет секторы с зубчатой насечкой, один из которых Б расположен на внутренней поверхности в верхней части упорного патрубка, а остальные - последовательно в продольной плоскости на наружной повер- хности упорного патрубка на рассто ни х I один от другого, равных рабочему ходу поршней полого штока. Длина упорного патрубка должна быть не менее длины пластыр .A device for repairing a casing pipe string in a well (Fig. 1) consists of a hollow body with successively installed hydraulic power cylinders arranged in hydraulic cylinders telescopically mounted in the hollow body of a hollow rod 1 with pistons, plaster 3, dorning head D, the thrust pipe 2, which is telescopically mounted in the lower part of the body cavity and has sectors with a notched notch, one of which B is located on the inner surface in the upper part of the thrust pipe, and the rest are edovatelno in the longitudinal plane on an outer pover- ited thrust nozzle at distances I from one another equal to the stroke of the hollow piston rod. The length of the stop pipe must be at least the length of the plaster.

Упорный патрубок имеет узел его фиксации , выполненный с возможностью поочередной фиксации упорного патрубка на корпусе и полом штоке в виде секторов 4 с зубчатой насечкой, последовательно распо- ложенных в продольной плоскости на наружной поверхности полого штока на рассто ни х I один от другого, равных рабочему ходу поршней полого штока, дл  фиксации упорного патрубка при рабочем ходе полого штока и сектора В с зубчатой насечкой, расположенного в нижней части полости корпуса с возможностью поочередного взаимодействи  с секторами упорного патрубка при осевом перемещении корпуса.The thrust nipple has a fixing unit made with the possibility of alternately fixing the thrust nipple on the housing and the hollow stem in the form of sectors 4 with a notched notch, successively located in the longitudinal plane on the outer surface of the hollow rod at distances x i from one another, equal to the working to the piston stroke of a hollow rod, for fixing the stop pipe during a working stroke of a hollow rod and sector B with a notched notch located in the lower part of the housing cavity with the possibility of alternating interaction with sectors molecular nozzle by axial movement of the housing.

Корпус устройства крепитс  в верхней части к транспортной колонне труб 5 дл  спуска устройства в колонну труб 6. Секторы Б и В расположены в окнах 7 обойм 8, свободно перемещаютс  в окнах и поджаты плоской пружиной 9.The housing of the device is attached in the upper part to the transport string of pipes 5 for lowering the device into the column of pipes 6. Sectors B and C are located in windows 7 of the sleeves 8, move freely in the windows and are preloaded by a flat spring 9.

Устройство работает следующим образом .The device works as follows.

На транспортной колонне компрессорных труб 5 устройство спускают к месту по- вреждени  обсадной колонны 6. После спуска на заданную глубину в устройстве создают избыточное давление наземной насосной установкой. Рабоча  жидкость по колонне труб 5 и каналам 10 полого штока поступает под поршни силовых гидравлических цилиндров.On the transport string of compressor pipes 5, the device is lowered to the site of damage to the casing 6. After descending to a predetermined depth, the device is pressurized with a surface pump unit. The working fluid through the pipe string 5 and the channels 10 of the hollow rod enters the pistons of the power hydraulic cylinders.

Поршни гидравлической донирующей головкой начинают перемещатьс , расшир   пластырь 3 на длине I, равной ходу пор- шней силовых гидравлических цилиндров (фиг. 2), при этом секторы Б упорного патрубка вход т в зацепление с секторами 4, после чего давление сбрасывают и колонну труб 5 поднимают на высоту I хода поршнейThe pistons of the hydraulic dosing head begin to move, expanding the plaster 3 over a length I equal to the course of the piston of the power hydraulic cylinders (Fig. 2), while the sectors B of the stop pipe engage with the sectors 4, after which the pressure is released from the column of pipes 5 raise to the height of I stroke

п -,P -,

силовых гидравлических цилиндров (фиг. 3). При этом упорный патрубок 2 остаетс  на месте,поскольку фиксируетс  секторами В.power hydraulic cylinders (Fig. 3). In this case, the thrust pipe 2 remains in place, since it is fixed by sectors B.

Устройство готово дл  совершени  следующего рабочего хода с фиксированием пластыр . Количество рабочих ходов и соответственно количество секторов 4, а также число секторов на наружной поверхности упорного патрубка 2 определ ютс  из соотношени  L Г где п - количество рабочих ходов;The device is ready for the next working stroke with a fixing plaster. The number of working strokes and, accordingly, the number of sectors 4, as well as the number of sectors on the outer surface of the thrust pipe 2 are determined from the ratio L G where n is the number of working strokes;

L - длина пластыр ;L is the length of the patch;

I - величина хода поршней силовых гидравлических цилиндров.I - the stroke of the pistons of the power hydraulic cylinders.

Устройство обеспечивает установку пластыр  в призабойной зоне и в обсадных колоннах малых типоразмеров (140,146 мм).The device ensures the installation of a plaster in the bottomhole zone and in casing strings of small sizes (140.146 mm).

Claims (1)

Формула изобретени Invention Formula Устройство дл  ремонта обсадной колонны труб в скважине, включающее транспортную колонну труб, жестко св занный с ней полый корпус с последовательно установленными в нем гидроцилиндрами, телескопически установленный в корпусе полый шток с поршн ми, расположенными в гидроцилиндрах корпуса, телескопически установленный в нижней части полости корпуса упорный патрубок с узлом его фиксации, выполненным с возможностью поочередного стопорени  упорного патрубка в корпусе и на полом штоке, расположенную под корпусом и жестко св занную с полым штоком гидравлическую дорнирующую головку, установленный между ней и упорным патрубком пластырь, отличающеес  тем, что, с целью повышени  надежности работы устройства путем обеспечени  возможности взаимодействи  пластыр  с упорным патрубком на всем цикле установки пластыр , упорный патрубок имеет длину не менее длины пластыр , а узел фиксации патрубка выполнен в виде расположенного в нижней части полости корпуса сектора с зубчатой насечкой на наружной поверхности, секторов с зубчатой насечкой, расположенных в продольной плоскости на наружной поверхности полого штока на рассто ни х один от другого, равных рабочему ходу поршней полого штока, и расположенных на упорном патрубке секторов с зубчатой насечкой, один из последних расположен на внутренней поверхности в верхней части упорного патрубка с возможностью фиксации на секторах полого штока при рабочем ходе последнего , а остальные секторы упорного патрубка расположены на наружной поверхности последнего последовательно в продольной плоскости на рассто ни х один отA device for repairing a casing pipe string in a well, including a pipe transport string, a hollow body rigidly connected to it with successively installed hydraulic cylinders, a telescopically mounted hollow rod with pistons located in the hydraulic cylinders of the housing telescopically mounted in the lower part of the housing cavity stop pipe with its fixing unit, made with the possibility of alternately locking the stop pipe in the housing and on the hollow stem, located under the housing and rigidly connected with A hollow rod is a hydraulic dorning head, installed between it and the stop pipe, which, in order to increase the reliability of the device by allowing the patch to work with the stop pipe during the entire installation cycle, the stop pipe has a length not less than the length of the patch, and the node fixing the nozzle is made in the form of a sector with a notched notch on the outer surface, sectors with notched notch located in the lower part of the cavity of the body of the body; Spins on the outer surface of the hollow stem at distances from one another, equal to the working stroke of the pistons of the hollow stem, and sectors with a notched notch on the thrust branch pipe, one of the latter located on the inner surface in the upper part of the thrust branch with the possibility of fixation on the sectors of the hollow rod during the working stroke of the latter, and the remaining sectors of the thrust pipe are located on the outer surface of the latter successively in the longitudinal plane at a distance of one from фиг.1figure 1 Фиг. 2FIG. 2 Редактор И.ШуллаEditor I. Shulla Заказ 3583ТиражПодписноеOrder 3583 Circulation Subscription ВНИИПИ Государственного комитета по изобретени м и открыти м при ГКНТ СССР 113035, Москва, Ж-35, Раушска  наб., 4/5VNIIPI State Committee for Inventions and Discoveries at the State Committee on Science and Technology of the USSR 113035, Moscow, Zh-35, 4/5 Raushsk nab. Производственно-издательский комбинат Патент, г. Ужгород, ул.Гагарина, 101Production and Publishing Combine Patent, Uzhgorod, Gagarin st., 101 8eight
SU894687680A 1989-05-05 1989-05-05 Device for downhole casing repairs SU1686125A1 (en)

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Cited By (59)

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RU2102578C1 (en) * 1992-12-07 1998-01-20 Николай Михайлович Саркисов Down-hole hydraulic ram
US6470966B2 (en) 1998-12-07 2002-10-29 Robert Lance Cook Apparatus for forming wellbore casing
US6557640B1 (en) 1998-12-07 2003-05-06 Shell Oil Company Lubrication and self-cleaning system for expansion mandrel
US6568471B1 (en) 1999-02-26 2003-05-27 Shell Oil Company Liner hanger
US6575240B1 (en) 1998-12-07 2003-06-10 Shell Oil Company System and method for driving pipe
US6604763B1 (en) 1998-12-07 2003-08-12 Shell Oil Company Expandable connector
US6634431B2 (en) 1998-11-16 2003-10-21 Robert Lance Cook Isolation of subterranean zones
US6640903B1 (en) 1998-12-07 2003-11-04 Shell Oil Company Forming a wellbore casing while simultaneously drilling a wellbore
US6712154B2 (en) 1998-11-16 2004-03-30 Enventure Global Technology Isolation of subterranean zones
US6725919B2 (en) 1998-12-07 2004-04-27 Shell Oil Company Forming a wellbore casing while simultaneously drilling a wellbore
US6745845B2 (en) 1998-11-16 2004-06-08 Shell Oil Company Isolation of subterranean zones
US6823937B1 (en) 1998-12-07 2004-11-30 Shell Oil Company Wellhead
US6892819B2 (en) 1998-12-07 2005-05-17 Shell Oil Company Forming a wellbore casing while simultaneously drilling a wellbore
US6968618B2 (en) 1999-04-26 2005-11-29 Shell Oil Company Expandable connector
US6976541B2 (en) 2000-09-18 2005-12-20 Shell Oil Company Liner hanger with sliding sleeve valve
US7011161B2 (en) 1998-12-07 2006-03-14 Shell Oil Company Structural support
US7048067B1 (en) 1999-11-01 2006-05-23 Shell Oil Company Wellbore casing repair
US7055608B2 (en) 1999-03-11 2006-06-06 Shell Oil Company Forming a wellbore casing while simultaneously drilling a wellbore
US7100684B2 (en) 2000-07-28 2006-09-05 Enventure Global Technology Liner hanger with standoffs
US7100685B2 (en) 2000-10-02 2006-09-05 Enventure Global Technology Mono-diameter wellbore casing
US7121352B2 (en) 1998-11-16 2006-10-17 Enventure Global Technology Isolation of subterranean zones
US7168496B2 (en) 2001-07-06 2007-01-30 Eventure Global Technology Liner hanger
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US7172024B2 (en) 2000-10-02 2007-02-06 Shell Oil Company Mono-diameter wellbore casing
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US7258168B2 (en) 2001-07-27 2007-08-21 Enventure Global Technology L.L.C. Liner hanger with slip joint sealing members and method of use
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US7290616B2 (en) 2001-07-06 2007-11-06 Enventure Global Technology, L.L.C. Liner hanger
US7308755B2 (en) 2003-06-13 2007-12-18 Shell Oil Company Apparatus for forming a mono-diameter wellbore casing
US7325602B2 (en) 2000-10-02 2008-02-05 Shell Oil Company Method and apparatus for forming a mono-diameter wellbore casing
US7350563B2 (en) 1999-07-09 2008-04-01 Enventure Global Technology, L.L.C. System for lining a wellbore casing
US7360591B2 (en) 2002-05-29 2008-04-22 Enventure Global Technology, Llc System for radially expanding a tubular member
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US7377326B2 (en) 2002-08-23 2008-05-27 Enventure Global Technology, L.L.C. Magnetic impulse applied sleeve method of forming a wellbore casing
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US7424918B2 (en) 2002-08-23 2008-09-16 Enventure Global Technology, L.L.C. Interposed joint sealing layer method of forming a wellbore casing
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US7552776B2 (en) 1998-12-07 2009-06-30 Enventure Global Technology, Llc Anchor hangers
US7571774B2 (en) 2002-09-20 2009-08-11 Eventure Global Technology Self-lubricating expansion mandrel for expandable tubular
US7712522B2 (en) 2003-09-05 2010-05-11 Enventure Global Technology, Llc Expansion cone and system
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US7793721B2 (en) 2003-03-11 2010-09-14 Eventure Global Technology, Llc Apparatus for radially expanding and plastically deforming a tubular member
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US7886831B2 (en) 2003-01-22 2011-02-15 Enventure Global Technology, L.L.C. Apparatus for radially expanding and plastically deforming a tubular member
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RU2102578C1 (en) * 1992-12-07 1998-01-20 Николай Михайлович Саркисов Down-hole hydraulic ram
US7231985B2 (en) 1998-11-16 2007-06-19 Shell Oil Company Radial expansion of tubular members
US7299881B2 (en) 1998-11-16 2007-11-27 Shell Oil Company Radial expansion of tubular members
US7275601B2 (en) 1998-11-16 2007-10-02 Shell Oil Company Radial expansion of tubular members
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US6712154B2 (en) 1998-11-16 2004-03-30 Enventure Global Technology Isolation of subterranean zones
US7357190B2 (en) 1998-11-16 2008-04-15 Shell Oil Company Radial expansion of tubular members
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US7121352B2 (en) 1998-11-16 2006-10-17 Enventure Global Technology Isolation of subterranean zones
US6634431B2 (en) 1998-11-16 2003-10-21 Robert Lance Cook Isolation of subterranean zones
US7108072B2 (en) 1998-11-16 2006-09-19 Shell Oil Company Lubrication and self-cleaning system for expansion mandrel
US6745845B2 (en) 1998-11-16 2004-06-08 Shell Oil Company Isolation of subterranean zones
US7195061B2 (en) 1998-12-07 2007-03-27 Shell Oil Company Apparatus for expanding a tubular member
US6640903B1 (en) 1998-12-07 2003-11-04 Shell Oil Company Forming a wellbore casing while simultaneously drilling a wellbore
US6725919B2 (en) 1998-12-07 2004-04-27 Shell Oil Company Forming a wellbore casing while simultaneously drilling a wellbore
US6739392B2 (en) 1998-12-07 2004-05-25 Shell Oil Company Forming a wellbore casing while simultaneously drilling a wellbore
US7350564B2 (en) 1998-12-07 2008-04-01 Enventure Global Technology, L.L.C. Mono-diameter wellbore casing
US6758278B2 (en) 1998-12-07 2004-07-06 Shell Oil Company Forming a wellbore casing while simultaneously drilling a wellbore
US6823937B1 (en) 1998-12-07 2004-11-30 Shell Oil Company Wellhead
US6557640B1 (en) 1998-12-07 2003-05-06 Shell Oil Company Lubrication and self-cleaning system for expansion mandrel
US6892819B2 (en) 1998-12-07 2005-05-17 Shell Oil Company Forming a wellbore casing while simultaneously drilling a wellbore
US6575240B1 (en) 1998-12-07 2003-06-10 Shell Oil Company System and method for driving pipe
US6470966B2 (en) 1998-12-07 2002-10-29 Robert Lance Cook Apparatus for forming wellbore casing
US7665532B2 (en) 1998-12-07 2010-02-23 Shell Oil Company Pipeline
US7011161B2 (en) 1998-12-07 2006-03-14 Shell Oil Company Structural support
US7036582B2 (en) 1998-12-07 2006-05-02 Shell Oil Company Expansion cone for radially expanding tubular members
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US7216701B2 (en) 1998-12-07 2007-05-15 Shell Oil Company Apparatus for expanding a tubular member
US7357188B1 (en) 1998-12-07 2008-04-15 Shell Oil Company Mono-diameter wellbore casing
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US7077213B2 (en) 1998-12-07 2006-07-18 Shell Oil Company Expansion cone for radially expanding tubular members
US7086475B2 (en) 1998-12-07 2006-08-08 Shell Oil Company Method of inserting a tubular member into a wellbore
US7363984B2 (en) 1998-12-07 2008-04-29 Enventure Global Technology, Llc System for radially expanding a tubular member
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US6497289B1 (en) 1998-12-07 2002-12-24 Robert Lance Cook Method of creating a casing in a borehole
US6631760B2 (en) 1998-12-07 2003-10-14 Shell Oil Company Tie back liner for a well system
US7121337B2 (en) 1998-12-07 2006-10-17 Shell Oil Company Apparatus for expanding a tubular member
US7147053B2 (en) 1998-12-07 2006-12-12 Shell Oil Company Wellhead
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US7159665B2 (en) 1998-12-07 2007-01-09 Shell Oil Company Wellbore casing
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US7185710B2 (en) 1998-12-07 2007-03-06 Enventure Global Technology Mono-diameter wellbore casing
US7174964B2 (en) 1998-12-07 2007-02-13 Shell Oil Company Wellhead with radially expanded tubulars
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