WO2016156980A1 - Outil de fond de trou comprenant un système d'actionnement - Google Patents

Outil de fond de trou comprenant un système d'actionnement Download PDF

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Publication number
WO2016156980A1
WO2016156980A1 PCT/IB2016/000497 IB2016000497W WO2016156980A1 WO 2016156980 A1 WO2016156980 A1 WO 2016156980A1 IB 2016000497 W IB2016000497 W IB 2016000497W WO 2016156980 A1 WO2016156980 A1 WO 2016156980A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid passage
piston
downhole tool
housing
coupling section
Prior art date
Application number
PCT/IB2016/000497
Other languages
English (en)
Inventor
Jeffrey B. Lasater
Sebastian Desmette
Original Assignee
Tercel Oilfield Products Belgium Sa
Tercel Ip Ltd.
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 Tercel Oilfield Products Belgium Sa, Tercel Ip Ltd. filed Critical Tercel Oilfield Products Belgium Sa
Publication of WO2016156980A1 publication Critical patent/WO2016156980A1/fr

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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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/066—Valve arrangements for boreholes or wells in wells electrically actuated

Definitions

  • the present invention is related to the field of downhole tools with an actuation system for operating the downhole tool.
  • Realization of a wellbore includes a plurality of steps in which a drillstring or a workstring is run in the wellbore.
  • the drill string or the workstring generally includes various kind of downhole tools that have to be operated at certain moments during the realisation of the wellbore.
  • Downhole tools generally comprise actuation means used to actuate such tools.
  • the most spread actuation means generally comprise a ball seat or a dart catcher assembly arranged into the bore of the downhole tool. A dart or a ball is thrown into the string and gets captured by the dart catcher assembly or the ball seat, causing an increase of internal pressure that allows a sleeve or a mandrel to move to actuate the tool and to perform the desired operation.
  • This kind of actuation means may be problematic when it is desired to keep a flow of fluid through the wellbore or when another downhole tool has to be actuated in another location in the string.
  • Some directional steering tools are actuated by motors powered by a battery and controlled by a controller connected to a transceiver that receives a signal, for example by specific pressure flow variation controlled from the surface of the wellbore to operate the motor.
  • This kind of motors and batteries are generally very expensive and are reserved to direction steering tools in the bottom hole assembly.
  • US patent 8,365,820 discloses an underreamer that comprises a tool body having a first end, a second end and a bore extending therethrough. A fluid is allowed to flow through the bore.
  • the body further comprises a chamber connected to the bore by a first fluid passage selectively closed or opened by an entrance rotary valve. When the entrance rotary valve is opened, the fluid is allowed to enter into the chamber and apply pressure to a piston. The piston under pressure pushes an empandable tool outward by driving up an internal ramp. Then the entrance rotary valve is closed, trapping the drilling fluid into the chamber and thus locking the expandable tool in a locking position.
  • the chamber further comprises a second passage towards the annulus, selectively closed or opened by an exit rotary valve. When it is desired to deactivate the expandable tool, the exit valve is opened, allowing to the fluid to escape through the second passage and the retraction of the expandable tool.
  • the present invention relates to a downhole tool comprising a housing having a bore, a wall including a chamber in which is arranged a piston, said chamber comprising a first fluid passage towards the said bore and a second fluid passage towards the outside of the tool, the said piston being movable between an deactivated position and a activated position.
  • the downhole tool of the present invention is characterized in that: the said first fluid passage is closed and the said second fluid passage is open when the said piston is in an activated position or in a deactivated position and; the said first fluid passage is open and the said second fluid passage is closed when the said piston has to be moved to one of the said activated or deactivated positions.
  • the downhole tool preferably comprises a J-slot mechanism for maintaining the said piston in the said activated position.
  • the said piston is biased by a spring.
  • the downhole tool comprises a valve actuated by a controller upon reception of a signal by a first transceiver connected to the said controller.
  • the said valve is a rotary valve including a pathway arranged such that when the valve is in a first position, the said chamber is fluidically connected to the outside of the tool, and when the said valve switched to a second position, the said chamber is fluidically connected to the bore of the said housing.
  • the said piston is movable in a sequential intermediate position between the said deactivated position and the said activated position, said sequential intermediate position of the piston being detectable by a second transceiver connected to said controller for switching the position of the said valve.
  • the said piston comprises a sleeve portion arranged to be movable into an inner radial cavity of the housing opening into the said bore and insulated from the said chamber.
  • the said downhole tool comprises a mandrel provided with a first coupling section
  • the said sleeve portion comprises a second coupling section adapted to engage the said first coupling section
  • the said housing further comprises a third coupling section and the said sleeve portion further comprises a fourth coupling section adapted to engage the said third coupling section.
  • the said mandrel is arranged into the housing such as to move between a first axial position and a second axial position.
  • the said mandrel has a cam profile adapted to expand a device radially outwards from the external surface of the housing.
  • the said mandrel is arranged into the housing such as to be: rotatable relative to the housing when the said second coupling section of the sleeve portion is disengaged from the said first coupling section of the mandrel and; not rotatable relative to the housing when the said second coupling section of the sleeve portion is engaged with the said first coupling section of the mandrel and when the said third coupling section of the said sleeve portion is coupled with the said fourth coupling section of the housing.
  • the said housing comprises a first housing part and a second housing part releasably connected to one another, the tool further comprising a transmission means coupled to the mandrel and arranged to selectively connect or disconnect the housing parts by rotating the said mandrel.
  • the present invention relates to a method for operating a downhole tool as disclosed above, the method comprising the steps of: (i) providing the said downhole tool in a downhole string with the said first fluid passage closed and the said second fluid passage is opened, the said piston being in a deactivated position;
  • ( ⁇ ) providing a signal through the downhole string that can be received by a first transceiver of the downhole tool and transmitted to a controller for providing a sequence of : a. opening the said first fluid passage while closing the said second fluid passage and then; b. closing the said first fluid passage while opening the said second fluid passage; such that to bring the said piston in an activated position.
  • said piston is kept in the said activated position with the said first fluid passage closed and the second fluid passage opened, the method further comprising the step of
  • Figure la shows a schematic cross longitudinal view of a first embodiment of the downhole tool according to the present invention, in a first configuration.
  • Figure lb shows a schematic cross sectional view of said first embodiment of the downhole tool according to the present invention, in a second configuration.
  • Figure lc shows a schematic cross sectional view of said first embodiment of the downhole tool according to the present invention, in a third configuration.
  • Figure 2a shows a schematic cross longitudinal view of a second embodiment of the downhole tool according to the present invention, in a first configuration.
  • Figure 2b shows a schematic cross sectional view of said second embodiment of the downhole tool according to the present invention, in a second configuration.
  • Figure 2c shows a schematic cross sectional view of said second embodiment of the downhole tool according to the present invention, in a third configuration.
  • Figure 3 shows a schematic cross sectional view of an embodiment of a swivel sub according to the present invention.
  • Figure 4 shows a schematic cross sectional view of an embodiment of a disconnection tool according to the present invention.
  • Figure 5 a shows a schematic cross section view of an embodiment of an expandable tool according to the present invention, in a first configuration.
  • Figure 5b shows a schematic cross sectional view of an embodiment of an expandable tool according to the present invention in a second configuration.
  • the downhole tool 100 comprises a housing 101 having a bore 102 allowing circulation of a fluid, and including a chamber 103 in which is arranged a piston 104, said chamber 103 comprising a first fluid passage 105 towards the said bore 102 and a second fluid passage 106 towards the outside of the tool, the said piston 104 being movable between an deactivated position as shown in figure la, and an activated position as shown in figure lc, characterized in that: - the said first fluid passage 105 is closed and the said second fluid 106 passage is open when the said piston 104 is in an deactivated position or in an activated position and; the said first fluid passage 105 is open and the said second fluid passage 106 is closed when the said piston has to be moved to one of the said activated or deactivated positions.
  • the figure lb shows a cross sectional view of the downhole tool with the piston 104 in an intermediate position between the deactivated position and the activated position.
  • the piston 104 biased by a spring 108 such as to be initially maintained in the deactivated position.
  • the housing comprises a J-slot mechanism, with a pin provided at the inner surface of the housing and a J-slot at the external surface of the piston, or inversely.
  • the said first passage and second passage are selectively opened and closed by a valve actuated by a controller upon reception of a signal by a first transceiver connected to the controller.
  • the signal can be a specific flow pulse sent from the wellbore surface, or a specific sequence of applied weight on bit, or a combination thereof, or a RFID tag thrown into the string.
  • the first fluid passage is closed by a first valve and the second fluid passage is closed by a second valve.
  • the first fluid passage 105 is located at the vicinity of the second fluid passage 106 and a rotary valve 109 is arranged between the first fluid passage 105 and the second fluid passage 106.
  • the rotary valve 109 is rotatable between two positions and includes a way arranged such that when the valve is in a first position, the chamber 103 is fluidically connected to the outside of the tool and when the valve is switched to a second position, the chamber 103 is fluidically connected to the bore 102 of the downhole tool.
  • the controller only has to receive signals and to actuate a valve switching preferably only between two positions, the controller can be powered by a smaller and less expensive battery.
  • valve arrangement and the setting of the valves to operate in a sequence as presented above allows the chamber 103 to be mostly opened to the annulus or to the bore of the tool to prevent problems of increasing of the internal pressure inside the chamber as it could be the case for tools of prior art.
  • the downhole tool comprises a security valve (not shown) arranged between the chamber 103 and the outside of the tool and that can be opened in case of blocking of the rotary valve 109.
  • a security valve (not shown) arranged between the chamber 103 and the outside of the tool and that can be opened in case of blocking of the rotary valve 109.
  • Other alternative safety means such as a rupture disc can be provided.
  • the downhole tool may also comprise a second transceiver detecting the position of the piston.
  • the piston may comprise a tag detectable by the second transceiver when the piston is bring in the intermediate position presented on figure lb.
  • the controller that switches the rotary valve 109.
  • the piston In a mode of operation of the tool, the piston is initially in its deactivated position with the valve 109 set in its first position such that the chamber 103 is fluidically connected to the outside of the tool. Then a signal is sent through the string from the surface and is received by the first transceiver connected to the controller that switch the valve 109 to its second position in which the chamber 103 is fluidically connected to the bore 102 of the downhole tool.
  • the internal pressure in the downhole tool is generally higher than in the annulus between the string and the wall of the wellbore, so that the piston gets pushed towards the intermediate position shown in figure lb wherein the spring is under maximal compression.
  • the piston comprises a sleeve portion arranged to be movable into an inner radial cavity of the housing 101, the radial cavity opening into the bore 102 of the housing 101 and being fluidically insulated from the chamber 103.
  • the radial cavity 115 comprises a port (not shown) opening towards the annulus for facilitating the movement of the piston 104.
  • the downhole tool comprises a mandrel 116 provided with a first coupling section 117
  • the sleeve portion 114 comprises a second coupling section 118 adapted to engage the said first coupling section 117.
  • the first coupling section 1 17 and the second coupling section 118 may have a polygonal coupling section or may be provided with a set of coupling splines.
  • the housing 101 comprises a third coupling section 1 19 and the said sleeve portion 114 further comprises a fourth coupling section 120 adapted to engage the third coupling section 1 19.
  • the third coupling section 1 19 may be arranged on the inner wall of the radial cavity 115 and the fourth coupling section 120 at the outer side of the sleeve portion 1 14.
  • the third coupling section 119 may be arranged on a wall extending from the wall of the chamber 103 and facing the inner wall of the cavity 115, the fourth coupling section 120 being arranged at the inner side of the sleeve portion 114.
  • the third coupling section 1 19 and the fourth coupling section 120 may comprise a polygonal coupling section or a set of coupling splines.
  • the mandrel 1 16 is arranged in the housing 101 such as to be: rotatable relative to the housing 101 when the said second coupling section 1 18 of the sleeve portion 1 14 is disengaged from the said first coupling section 117 of the mandrel 116 such as presented in figures lb and lc, and; not rotatable relative to the housing 101 when the said second coupling section 118 of the sleeve portion 1 14 is engaged with the said first coupling section 117 of the mandrel 1 16 and when the third coupling section 118 of the sleeve portion 114 is coupled with the fourth coupling section 120 of the housing 101, as presented in figure la.
  • first coupling section 117 of the mandrel 116 and the second coupling section 118 of the sleeve portion 114 may be arranged such that when the piston 104 is in the deactivated position, the mandrel 116 is free to rotate relative to the housing 101 and the sleeve portion 114, and when the piston 104 is in the activated position, the mandrel 1 16 is coupled to the housing 101 and through the sleeve portion 114.
  • the mandrel 1 16 may also be coupled to the housing 101 through the sleeve portion 114 while the piston 104 is in the intermediate sequential position between the deactivated position and the activated position.
  • the figure 3 shows an embodiment of a downhole tool which is a swivel sub 300.
  • the swivel sub comprises a mandrel 116 arranged into a housing 101.
  • the mandrel 116 is provided with a first connecting end 301 and the housing 101 is provided with a second connecting end 304 opposed to the first connecting end 301.
  • the mandrel 116 comprises a bore 102 allowing circulation of a fluid.
  • the mandrel 116 further comprises a first coupling section 117.
  • the housing 101 comprises a chamber 103 in which is arranged a piston 104 as presented herein above.
  • the housing 101 preferably comprises any one of the features disclosed in relation with the embodiments of figures la to lc.
  • the housing 101 further comprises a cavity 305 in which is enclosed an enlarged portion 302 of the mandrel 1 16 arranged between a set of thrust bearings 303.
  • a swivel sub 300 can now be actuated by sending a signal from the surface that actuates a valve 109 for moving a piston 104 to selectively couple the rotation of a mandrel 116 with the housing 101 through the sleeve portion 1 14, or to allow rotation of the mandrel 1 16 relative to the housing 101.
  • the figure 4 shows an embodiment of a disconnection tool 400 having similar features than the disconnection tool presented in the applicant's document WO2014140658 and incorporated herein by reference.
  • the disconnection tool 400 comprises a mandrel 116 comprising a bore 102 and a top connecting end 41 1.
  • the mandrel 1 16 is rotatably arranged into a housing made of a first housing part 401 and a second housing part 402.
  • the mandrel 1 16 comprises an enlarged portion 404 included in a cavity 412 of the first housing part 401 and comprised between a set of thrust bearings 413.
  • the first housing part 401 is connected to the second housing part 402 through a set of locking dogs 406 partially arranged into holes 408 made in the second housing part 402 and into cavities 407 made in the first housing part 401.
  • the disconnection tool further comprises a transmission means 403 such as and arranged as disclosed in the document WO2014120658, connected to a sliding sleeve 405 comprising another set of cavities 409 misaligned with the holes 408 of the second housing part 402 and the cavities 407 of the first housing part 401 such that the second housing part 402 is fastened to the first housing part 401.
  • the second housing part 402 comprises the same features as disclosed above for the embodiment of figure la to lc.
  • the mandrel 1 16 comprises a port 410 aligned with the fluid passage 105 arranged between the chamber and the bore of the housing.
  • the mandrel 1 16 is initially coupled to the second housing part 402 through the sleeve portion 1 14, and when it is desired to disconnect the first housing part 401 from the second housing part 402, a signal is sent from the surface to activate the valve 409 for moving the piston 104 and rotatably uncoupling the mandrel 116 from the second housing part 402.
  • the mandrel 1 16 can be rotated relative to the second housing part 402 and actuates the transmission means 403 that causes an axial movement of the sliding sleeve 405 to align the cavities 409 of the sliding sleeve 405 with the holes 408 of the second housing part 402, thereby releasing the locking dogs 406 into the cavities 409 of the sliding sleeve 405, thereby disconnecting the first housing part 401 from the second housing part 402.
  • the mandrel 1 16 is arranged into the housing 101 such as to be movable between a first axial position and a second axial position.
  • the mandrel 116 is permanently coupled with the sleeve portion 1 14 of the piston 104.
  • the piston 104 is in a deactivated position holding the mandrel 116 in a first axial position.
  • a signal is sent from the surface and is detected by the first transceiver 111 that transmit the instruction to the controller 1 10 to switch the valve 109 such as to open the fluid passage 105 between the bore and the chamber.
  • the internal pressure of the chamber 103 increases and pushes the piston 104 towards an intermediate position as presented in figure 2b.
  • the mandrel 116 is moved to a second axial position with the piston 104 and may open a valve (not shown) or actuate an expandable tool (not shown).
  • the second transceiver 113 detects the piston 104 in its intermediate position, it sends a signal to the controller 110 to switch the valve 109 back to the first position opening the fluid passage 106 connecting the chamber 103 to the annulus and moving the piston 104 in an activated position maintained by a J-slot mechanism 107 with the spring 108 less compressed than in the intermediate position.
  • a second signal is sent from the surface and is detected by the first transceiver 1 1 1 that instructs the controller 1 10 to switch the valve 109 to open the fluid passage 105 between the bore and the chamber such that to push the piston 104 towards its intermediate position that is detected by the second transceiver 113 that gives instruction to switch again the valve 109 to close the fluid passage 105 between the bore and the chamber and to open the fluid passage 106 between the chamber and the annulus, allowing the piston 104 to move back in the deactivated position with the mandrel 1 16.
  • FIG. 5a shows an expandable tool 500 or an underreamer in a deactivated configuration, wherein the piston 104 is deactivated and the mandrel 116 is in a first axial position.
  • the mandrel 116 comprises for example a specific cam profile 501 maintaining a blade or an expanding device 502 in a position wherein the blade or expanding device does not protrude from the outer surface of the housing 101.
  • the piston 104 is activated as shown in figure 5b, the mandrel 116 moves axially with the piston 104 and the cam surface 501 brings the blade or the expandable device in a second position protruding from the outer surface of the housing.
  • the blade is rotated about an axis 503 under the translation movement of the cam 501 of the mandrel 116.
  • cam profile and blade profile are described in applicant's co-pending application PCT/IB2014/058698 and is incorporated by reference.
  • the mandrel may comprise any other kind of cam profiles coupled with an expandable object.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Gripping On Spindles (AREA)

Abstract

L'invention concerne un outil de fond de trou 100 qui comprend un logement 101 présentant un alésage 102, une paroi comprenant une chambre 103 dans laquelle est agencé un piston 104, cette chambre 103 comportant un premier passage de fluide 105 en direction dudit alésage 102 et un second passage de fluide 106 en direction de l'extérieur de l'outil 100, ledit piston 104 étant mobile entre une position désactivée et une position activée. Ledit premier passage de fluide 105 est fermé et ledit second passage de fluide 106 est ouvert lorsque ledit piston 104 est dans une position activée ou dans une position désactivée, et ledit premier passage de fluide 105 est ouvert et ledit second passage de fluide 106 est fermé lorsque ledit piston 104 doit être déplacé dans l'une desdites positions, activée ou désactivée.
PCT/IB2016/000497 2015-03-31 2016-03-31 Outil de fond de trou comprenant un système d'actionnement WO2016156980A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562140916P 2015-03-31 2015-03-31
US62/140,916 2015-03-31

Publications (1)

Publication Number Publication Date
WO2016156980A1 true WO2016156980A1 (fr) 2016-10-06

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10781665B2 (en) 2012-10-16 2020-09-22 Weatherford Technology Holdings, Llc Flow control assembly
WO2022268717A1 (fr) * 2021-06-21 2022-12-29 Rotojar Innovations Limited Appareil de pivotement

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0466472A2 (fr) * 1990-07-10 1992-01-15 Halliburton Company Outil d'essai pour fond de puits répondant à la pression de l'annulaire
US6595296B1 (en) * 1999-06-10 2003-07-22 Quartech Engineering Limited Hydraulic control assembly
WO2011146836A2 (fr) * 2010-05-21 2011-11-24 Smith International, Inc. Actionnement hydraulique d'ensemble outil de fond de trou
US8365820B2 (en) 2010-10-29 2013-02-05 Hall David R System for a downhole string with a downhole valve
WO2014120658A1 (fr) 2013-01-29 2014-08-07 Amgen Inc. Dérivés de 3-amino-5,6-dihydro-2h-1,4-thiazine multicycliques condensés et leur utilisation à titre d'inhibiteurs de bêta-sécrétase
WO2014140658A1 (fr) 2013-03-15 2014-09-18 Tercel Ip Limited Outil de connexion ou de déconnexion sélective de composants d'un train de tiges de travail de fond de trou

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0466472A2 (fr) * 1990-07-10 1992-01-15 Halliburton Company Outil d'essai pour fond de puits répondant à la pression de l'annulaire
US6595296B1 (en) * 1999-06-10 2003-07-22 Quartech Engineering Limited Hydraulic control assembly
WO2011146836A2 (fr) * 2010-05-21 2011-11-24 Smith International, Inc. Actionnement hydraulique d'ensemble outil de fond de trou
US8365820B2 (en) 2010-10-29 2013-02-05 Hall David R System for a downhole string with a downhole valve
WO2014120658A1 (fr) 2013-01-29 2014-08-07 Amgen Inc. Dérivés de 3-amino-5,6-dihydro-2h-1,4-thiazine multicycliques condensés et leur utilisation à titre d'inhibiteurs de bêta-sécrétase
WO2014140658A1 (fr) 2013-03-15 2014-09-18 Tercel Ip Limited Outil de connexion ou de déconnexion sélective de composants d'un train de tiges de travail de fond de trou

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10781665B2 (en) 2012-10-16 2020-09-22 Weatherford Technology Holdings, Llc Flow control assembly
WO2022268717A1 (fr) * 2021-06-21 2022-12-29 Rotojar Innovations Limited Appareil de pivotement

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