EP2126277A1 - Dispositif pour outil de renversement - Google Patents

Dispositif pour outil de renversement

Info

Publication number
EP2126277A1
EP2126277A1 EP08741701A EP08741701A EP2126277A1 EP 2126277 A1 EP2126277 A1 EP 2126277A1 EP 08741701 A EP08741701 A EP 08741701A EP 08741701 A EP08741701 A EP 08741701A EP 2126277 A1 EP2126277 A1 EP 2126277A1
Authority
EP
European Patent Office
Prior art keywords
spindle holder
tool body
spindle
tool
actuator
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP08741701A
Other languages
German (de)
English (en)
Other versions
EP2126277B1 (fr
EP2126277A4 (fr
Inventor
Espen Osaland
Arne Motland
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Altus Intervention AS
Original Assignee
Aker Well Service AS
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
Application filed by Aker Well Service AS filed Critical Aker Well Service AS
Publication of EP2126277A1 publication Critical patent/EP2126277A1/fr
Publication of EP2126277A4 publication Critical patent/EP2126277A4/fr
Application granted granted Critical
Publication of EP2126277B1 publication Critical patent/EP2126277B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/03—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting the tools into, or removing the tools from, laterally offset landing nipples or pockets
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • E21B43/121—Lifting well fluids
    • E21B43/122—Gas lift
    • E21B43/123—Gas lift valves

Definitions

  • This invention relates to a kickover tool. More particularly, it concerns a kickover tool of the type being used for the setting and pulling of a valve spindle of a gas lift valve located in a side pocket.
  • the kickover tool comprises a sideways open tool body with a spindle holder which, via at least one intermediate arm, is connected in an articulated manner to the tool body, the spindle holder being arranged so as to be able to be moved between a passive position where the spindle holder is located within the valve body, and an active position where the spindle holder is swung out from ' the valve body and corresponds with the gas lift valve.
  • At least a part of an actuator which is arranged so as to be able to displace the spindle holder between its passive position and its active position, is located between the tool body and the spindle holder.
  • gas lift valve During petroleum production, it is necessary to pump in gas in some reservoirs in order to achieve a so-called gas lift.
  • the gas is pumped down into the borehole and flows, via one or more gas lift valves, into the production tubing. It is common to place the gas lift valve in a side pocket so as to be able to shift the valve spindle in the gas lift valve by means of a kickover tool and simultaneously leaving a free passage for other tools past the gas lift valve.
  • a prior art kickover tool is formed as a cable tool.
  • the valve spindle is connected to the spindle holder of the kickover tool.
  • the spindle holder is rotatably connected to the tool body of the kickover tool .
  • the spindle holder including its attached valve spindle, is in its passive position within the tool body.
  • the kickover tool is displaced a little past the side pocket within which the particular gas lift valve is located. Then, the kickover tool is carefully pulled back so as to be rotated, by means of an orientation device, about its longitudinal axis into the correct direction and to be locked in the desired axial position.
  • the intermediate arm By increasing the tensile force in the cable, the intermediate arm is released and is rotated, by means of a spring force, together with the spindle holder and the valve spindle outwards from the tool body.
  • the valve spindle comes into abutment against the side pocket wall and thus causes the spindle holder to be rotated, in a spindle link, relative to the intermediate arm.
  • the spindle holder and the valve spindle assume an active position parallel to the tool body and mainly coaxial with the gas lift valve.
  • the valve spindle is displaced into the gas lift valve.
  • valve spindle is released from the kickover tool, which is pulled out from the production tubing.
  • the spindle holder subsequent to the release of the intermediate arm, does not assume the desired active position but remains in an intermediate position.
  • the direction of the valve spindle does not correspond with the direction of the gas lift valve, whereby the setting of the valve spindle fails.
  • the cause oftentimes may be that of an unsuitable design of the spring arranged to rotate the intermediate arm outwards. The problem is considerably greater in deviated wells within which the direction of the gas lift valve is not vertical.
  • the object of the invention is to remedy or reduce at least one of the disadvantages of the prior art.
  • a kickover tool in accordance with the invention and of the type being used for the setting and pulling of a valve spindle of a gas lift valve located in a side pocket comprises a sideways open tool body with a spindle holder which, via at least one intermediate arm, is connected in an articulated manner to the tool body, the spindle holder being arranged so as to be able to be moved between a passive position where the spindle holder is located within the valve body, and an active position where the spindle holder is swung out from the valve body and corresponds with the gas lift valve.
  • the kickover tool according to the invention is characterized in that at least a part of an actuator, which is arranged so as to be able to displace the spindle holder between its passive position and its active position, is located between the tool body and the spindle holder.
  • an actuating bar of the actuator is connected in an articulated manner to the intermediate arm, the actuating bar having sideways abutment when the spindle holder assumes its passive position. In this position, the actuating bar typically abuts against the tool body.
  • the intermediate arm is prevented from assuming a self-locking position, for example by being unintentionally rotated past the centre.
  • the actuator comprises a preloaded spring arranged so as to force the intermediate arm in a direction outwards from the tool body.
  • the actuator may be controllable, insofar as it may be formed with necessary components for electrical or hydraulic control .
  • the actuator housing of the actuator may be fixedly connected to the tool body, but an articulated coupling may be appropriate in some cases.
  • the device according to the invention presents a relatively simple and operationally safe solution for displacement of the tool holder allowing for the actuator to be incorporated within available spaces in the kickover tool.
  • Fig. 1 schematically shows an axial section through a production tubing within which a kickover tool is disposed
  • Fig. 2 schematically shows, in larger scale, a cut-out segment of the kickover tool of fig. 1, the spindle holder of the kickover tool being in its passive position;
  • Fig. 3 schematically shows a section II-II of fig. 2; and Fig. 4 schematically shows the kickover tool, but where the spindle holder is rotated into its active position.
  • reference numeral 1 denotes a production tubing provided with a side pocket 2 within which a gas lift valve 4 is disposed.
  • the object of the gas lift 4 valve 4 is to regulate the gas flow between the outside and the inside of the production tubing 1.
  • a kickover tool 6 is displaced into the production tubing 1 and is located by the side pocket 2, insofar as the kickover tool 6 of fig. 1 is shown in a position within which the kickover tool 6 is prepared for displacing a valve spindle 10 into the gas lift valve 4.
  • the kickover tool 6 comprises a tool body 12 of a type known per se having the necessary components (not shown) for controlling and for localizing the kickover tool 6 in the production tubing 1.
  • the tool body 12 is sideways open.
  • An intermediate arm 16 at one end portion thereof, is rotatably connected to the tool body 12 by means of a rotatable intermediate link 18, and is connected, at the opposite end portion thereof, to a spindle holder 20 by means of a spindle link 22.
  • the spindle holder 20 is releasably connected to the valve spindle 10.
  • the actuator 24 comprises an actuator housing 26 within which a guide slot 28 is arranged and extends in the longitudinal direction of the tool body 12.
  • the actuator bar 32 is formed so as to come into sideways abutment when the kickover tool 6 is in its inactive, swung- in position. In this preferred embodiment, the actuator bar 32 thus abuts against the tool body 12, see fig. 2.
  • the actuator housing 26 and the guide block 30 are provided with a first bore 34 and a second bore 36, respectively, the openings of the bores 34, 36 facing each other.
  • a spring 38 which is located in the bores 34, 36, is arranged to bias the guide block 30 in a direction outwards from the actuator housing 26.
  • the spindle holder 20 During displacement of the kickover tool 6 in the production tubing 1, the spindle holder 20 is in its swung-in, passive position. When the kickover tool 6 is positioned by the side pocket 2, the intermediate arm 16 is released in the manner explained in the introduction of the description.
  • the spring 38 displaces the guide block 30 and the actuator bar 32 in a direction away from the actuator housing 26, whereby the intermediate arm 16 is caused to rotate about the intermediate arm link 18.
  • the spindle holder 20 rotates about the spindle link 22 until an abutment surface 40 abuts against the intermediate arm 16, see fig. 4.
  • the spindle holder 20 assumes a direction as shown in fig. 1, in which the spindle holder 20 and the valve spindle 10 connected to the spindle holder 20, assume mainly a coaxial direction with the gas lift valve 4.

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Gripping On Spindles (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

La présente invention concerne un dispositif pour outil de renversement (6) du type de ceux utilisés pour le réglage et la traction de la tige de soupape (10) d'une soupape à clapet à gaz (4) située dans un casier latéral (2) dans lequel l'outil de renversement (6) comprend un corps d'outil à ouvertures latérales (12) doté d'un support de broche (20) qui, via au moins un bras intermédiaire (16) est relié de manière articulée au corps d'outil (12), le support de broche (20) étant disposé de manière à pouvoir être déplacé/tourné entre une position passive dans laquelle le support de broche (20) se trouve dans le corps d'outil (12) et une position active où le support de broche (20) est basculé depuis le corps d'outil (12) et correspond à la soupape à clapet à gaz (4) tandis qu'au moins une partie de l'actuateur (24) qui est disposé de manière à pouvoir faire passer le support de broche (20) de sa position passive à sa position active se trouve entre le corps d'outil (12) et le support de broche (20).
EP08741701.0A 2007-03-26 2008-03-17 Dispositif pour outil de renversement Active EP2126277B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20071563A NO328403B1 (no) 2007-03-26 2007-03-26 Anordning ved overslagsverktoy
PCT/NO2008/000102 WO2008118022A1 (fr) 2007-03-26 2008-03-17 Dispositif pour outil de renversement

Publications (3)

Publication Number Publication Date
EP2126277A1 true EP2126277A1 (fr) 2009-12-02
EP2126277A4 EP2126277A4 (fr) 2013-04-10
EP2126277B1 EP2126277B1 (fr) 2018-10-17

Family

ID=39788699

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08741701.0A Active EP2126277B1 (fr) 2007-03-26 2008-03-17 Dispositif pour outil de renversement

Country Status (4)

Country Link
EP (1) EP2126277B1 (fr)
DK (1) DK2126277T3 (fr)
NO (1) NO328403B1 (fr)
WO (1) WO2008118022A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO333413B1 (no) * 2009-12-07 2013-06-03 Petroleum Technology Co As Nedihulls overslagsverktøy
GB201017309D0 (en) * 2010-10-14 2010-11-24 Wireline Engineering Ltd Improved downhole apparatus
NO342890B1 (en) 2017-03-29 2018-08-27 Petroleum Technology Co As Well component with deflector surface

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3788397A (en) * 1972-10-24 1974-01-29 Camco Inc Kickover tool
GB2393468A (en) * 2002-09-27 2004-03-31 Weatherford Lamb Kick over tool for side pocket mandrel

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3827490A (en) 1968-05-01 1974-08-06 Camco Inc Apparatus for installing and removing flow valves
US4976314A (en) 1988-02-03 1990-12-11 Crawford William B T-slot mandrel and kickover tool

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3788397A (en) * 1972-10-24 1974-01-29 Camco Inc Kickover tool
GB2393468A (en) * 2002-09-27 2004-03-31 Weatherford Lamb Kick over tool for side pocket mandrel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008118022A1 *

Also Published As

Publication number Publication date
EP2126277B1 (fr) 2018-10-17
WO2008118022A1 (fr) 2008-10-02
DK2126277T3 (en) 2019-01-07
EP2126277A4 (fr) 2013-04-10
NO20071563L (no) 2008-09-29
NO328403B1 (no) 2010-02-15

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