WO2013090257A1 - Alimentation d'un élément qui comporte un matériau thermiquement dilatable - Google Patents

Alimentation d'un élément qui comporte un matériau thermiquement dilatable Download PDF

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Publication number
WO2013090257A1
WO2013090257A1 PCT/US2012/068934 US2012068934W WO2013090257A1 WO 2013090257 A1 WO2013090257 A1 WO 2013090257A1 US 2012068934 W US2012068934 W US 2012068934W WO 2013090257 A1 WO2013090257 A1 WO 2013090257A1
Authority
WO
WIPO (PCT)
Prior art keywords
thermally expandable
expandable material
packer
sealing element
actuator
Prior art date
Application number
PCT/US2012/068934
Other languages
English (en)
Inventor
Vi Nguy
Nathan Kathol
Craig Skeates
Original Assignee
Schlumberger Canada Limited
Services Petroliers Schlumberger
Schlumberger Holdings Limited
Schlumberger Technology B.V.
Prad Research And Development Limited
Schlumberger Technology Corporation
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 Schlumberger Canada Limited, Services Petroliers Schlumberger, Schlumberger Holdings Limited, Schlumberger Technology B.V., Prad Research And Development Limited, Schlumberger Technology Corporation filed Critical Schlumberger Canada Limited
Priority to US14/365,456 priority Critical patent/US20150000936A1/en
Publication of WO2013090257A1 publication Critical patent/WO2013090257A1/fr
Priority to NO20140834A priority patent/NO20140834A1/no

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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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/06—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/128—Packers; Plugs with a member expanded radially by axial pressure
    • 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
    • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection

Definitions

  • SAGD steam assisted gravity drainage
  • cyclic steam applications are subjected to heating of their wellbores for an extended period of time with heated fluid and/or steam.
  • a liner top packer is deployed and set during the final completion of the well, The liner top packer is deployed to a specific depth with a tubing string. Once at the specific depth, the liner top packer is set by pressurizing fluid within the tubing string to a specific value.
  • a system in the packer or in a separate setting tool translates the fluid pressure into an axial force and axial movement which energizes the packer sealing element and the packer slips (if the packer design includes slips).
  • the weUbore and liner top packer can experience several severe temperature and pressure fluctuations which can degrade the pressure, integral seal of the packer sealing element.
  • the heating and cooling of the packer sealing element can relax the internal stresses that were created during setting of the packer sealing element thus creating a compromised seal element which no longer maintains the pressure integral seal.
  • the present disclosure provides for a system and method of actuating an energized device, such as a packer.
  • the technique provides an actuating force with a thermally expandable material located in a container.
  • the thermally expandable material is operative! ⁇ ' coupled with an element, such as a packer sealing element, via an actuator member.
  • an element such as a packer sealing element
  • the thermally expandable material expands and actuates the element, via the actuator member.
  • the thermally expandable material may be used to continuously energize, the packer sealing element and/or other components while the thermally expandable material is positioned in the high hea environment,
  • Figure 1 is a schematic illustration of an example of a well system utilizing a packer actuated by a thermally expandable material, according to an embodiment of the disclosure
  • Figure 2 is a diagram illustrating an example in which thermally expandable material is used to actuate an energized device, according to an embodiment of the disclosure
  • Figure 3 is a schematic illustration of an energized device in the form of a packer, according to an embodiment of the disclosure
  • Figure 4 is a schematic illustration similar to that of Figure 3 but showing the packer in a different operational configuration, according to an embodiment of the disclosure;
  • Figure 5 is a diagram illustrating another example in which thermally expandable material is used to actuate an energized device, according to an embodiment of the disclosure;
  • FIG. 6 is a schematic illustration of another energized device in the form of a packer, according to an embodiment of the disclosure.
  • Figure 7 is a schematic illustration similar to that of Figure 6 but showing the packer in a different operational configuration, according to an embodiment of the disclosure.
  • Figure 8 is a schematic illustration similar to that of Figure 6 but showing the packer in a different operational configuration, according to an embodiment of the disclosure *
  • the present disclosure generally relates to a system and method for actuating an energized device, such as a packer.
  • the technique utilizes a thermally expandable material enclosed in a container such that heat added to the material causes an increase in pressure within the container and an expansion of the material. Expansion of the thermally expandable material can be used to perform designated operations.
  • the thermally expandable material may be operatively coupled with an element, such as a packer sealing element, via an actuator member.
  • the thermally expandable material When the container and the thermally expandable material are positioned in a high heat environment, e.g. a thermal well environment, the thermally expandable material expands and actuates the element via the actuator member.
  • the thermally expandable material may be used to continuously energize the packer sealing element and/or other components while the thermally expandable material is positioned in the high heat environment.
  • energizing a packer sealing element involves compressing (squeezing) the sealing element with an axial setting force which extrudes the sealing element radially outward until it contacts a surrounding wall, e.g. a surrounding casing wall.
  • Energizing the packer sealing element creates substantial internal stresses in the sealing element via the compressive force.
  • the compressive force translates into large contact stresses at the boundaries of the sealing element and cooperating components, e.g. at the inside surface of the surrounding well casing and the outside surface of the packer mandrel A correlation exists between the amount of contact stress at these boundaries and the pressure integrity of the seal.
  • the thermally expandable material can be used to ensure that a sufficient amount of setting force (stress) is contained in the sealing element and that the pressure integral seal established by the sealing element is maintained.
  • an additional locking mechanism such as a body lock ring/ratchet can be used to maintain the setting force and hold the axial travel of the packer sealing element.
  • the thermally expandable material may be used in liner top packers employed in thermal wells and other well applications, in at least some of these applications, once the liner top packer has been set, the tubing string may be disengaged from the set liner top packer. The tubing string is then removed from the wellbore while the set liner top packer remains downhole in the we!lbore.
  • the thermally expandable material may be employed in a variety of thermal well applications to facilitate, actuation of energized devices, such as packers.
  • An example of a lifecycle for a thermal well may comprise four stages including warm-up, injection, production, and shut-in. Throughout the life of a thermal well, the four stages can repeat themselves multiple times, and at each of the stages there is an associated maximum temperature and pressure experienced by the liner top packer, During certain stages, such as the injection and production stages, the liner top packer can experience the highest temperatures and pressures of the cycle.
  • a volume of the thermally expandable material is incorporated into a packer piston system or setting mechanism to initially energize/actuate the packer and or to continuously energize the packer sealing element.
  • the thermally expandable material enables conversion of thermal energy present in the wellbore environment into kinetic energy in a controllable and predictable manner without intervention from the surface.
  • the kinetic energy may also be utilized to actuate various other devices and mechanisms downhole in a wellbore without any intervention from the surface. Examples of actuating such devices and mechanisms include engaging and/or disengaging packer slips, locking and/or unlocking various mechanisms, opening and/or closing ports, energizing seals, rupturing a pressure integral membrane, and actuation of various other devices.
  • the well system may comprise a variety of components and may be employed in many types of applications and environments, including thermal well applications, such as steam assisted gravity drainage applications and cyclic steam applications.
  • the well system is illustrated as comprising a packer actuated by thermally expandable material.
  • the well system may incorporate single or multiple packers of a variety of designs and constructions.
  • the well system may comprise a variety of additional components and systems depending on the specific well related application.
  • a well system 20 is illustrated as having a tubing siring 22 deployed in a well 24 comprising a well 24 comprising a wellbore 26.
  • the well 24 comprises a thermal well, such as a thermal well employed in a steam assisted gravity drainage application or a cyclic steam application that involves heating of the wellbore or wellbores 26 for an extended period of time with heated fluid or steam.
  • the illustrated tubing string 22 comprises an energized device system 28 having an energized device 30, e.g. a packer, comprising an energized member 32.
  • the energized device/packer 30 may comprise a liner top packer or other type of packer having energized member 32 in the form of a radially expandable packer sealing element acted on by an actuator 33.
  • the actuator 33 radially expands the sealing element 32 into sealing engagement with a surrounding wellbore wall 34, e.g. a casing wall.
  • the actuator 33 also may he used to actuate additional energized members or parts of the energized member 32, such as packer slips 35.
  • the actuator 33 comprises, or works in cooperation with, a thermally expandable material 36 which may be used to provide the actuating force.
  • tubing string 22 may also comprise a variety of other components 38 and those components may vary depending on the specific environment and/or application in which tubing string 22 is deployed. Depending on the specific application, the tubing string 22 may be deployed in many types of wells, including horizontal or otherwise deviated wells and also vertical wells,
  • the energized device system 28 comprises cooperating elements including the energized device 30.
  • the energized device 30 may be used to apply a specific force, such as an axial force, that actuates the sealing element 32.
  • the energized device 30 comprises a packer and the applied axial force is used to energize the packer sealing element 32 and/or to engage the packer slips 35.
  • another element of the energized device system 28 is an actuation region 40 which works in cooperation with thermally expandable material 36.
  • Actuation region 40 may comprise a variety of actuation members, including a piston or pistons acted on by the pressure of expanding material 36 to fully set the energized device/packer 30, e.g. to expand the packer sealing element 32 into engagement with a surrounding wellbore wall 34 and/or to engage the packer slips 35.
  • the thermally expandable material 36 is in a self-contained volume so that during thermal expansion of material 36, pressure is created within the self-contained volume. This pressure is used to move the piston or other actuator member when actuating the energized device 30.
  • the energized device 30 comprises a radially expandable packer 42 (see also Figure 1) having sealing element 32 which may be axially
  • actuator 33 in the form of an actuator member 44, such as a piston or pistons slidably mounted between an inner tubing/mandrel 46 and an external housing 48.
  • actuator member/piston 44 may comprise an annular piston surrounding the inner tubing 46 within the external housing 48.
  • piston 44 Prior to energizing packer sealing element 32, piston 44 may be secured to external housing 48 by a shear member 50.
  • the piston 44 is moved in an axial direction by the thermally expandable material 36 disposed in a self-contained volume 52 defined by a container 54.
  • the container 54 is created by inner tubing 46 and external housing 48 which are constructed to create the self-contained volume 52 therebetween.
  • the self- contained or confined volume 52 may be annular in shape and may extend around the circumference of inner tubing 46.
  • piston 44 is exposed to the thermally expandable material 36.
  • thermally expandable material 36 expands and builds up sufficient pressure within container 54 to shear the shear member 50 and release piston 44.
  • the thermally expandable material 36 is selected to have a higher thermal expansion value, e.g. a higher coefficient of thermal expansion, than that of the material forming container 54.
  • the thermally expandable material 36 is contained in volume 52 and pressure sealed.
  • the actuator 33 translates the pressure generated by the thermally expandable material 36 into an axial force and axial movement of, for example, piston 44, It should be noted that the force and movement resulting from the expansion of thermally expandable material 36 can be used to actuate various devices and mechanisms, including various devices and mechanisms in the packer 42.
  • the thermally expandable material 36 may be used to actuate/energize both the sealing element 32 and the slips 35 (see Figure 1).
  • the thermally expandable material 36 may be in the form of a liquid with a high thermal expansion coefficient and a low bulk modulus value. Additionally, the liquid may be thermally stable in that the liquid does not degrade at elevated temperatures and the liquid does not react violently, e.g. explode, at elevated temperatures.
  • thermally expandable material 36 include dimethyl polysiioxane, commercially available from Dow Chemical Company of Midland, Michigan, USA under the trade name Syitherm 80Q 1 M , and DI-2 ethylhexyi sebacate, commercially available from The HailStar Company of Chicago, Illinois, USA under the trade name Monoplex DOSTM.
  • sealing element 32 is de-energized.
  • a locking element may be used to retain the packer sealing element 32 and/or other elements in the set configuration.
  • a locking body may be located in piston traps to retain the setting force in the energized element, e.g. sealing element 32.
  • the thermally expandable material enables the energized device 30 to be initially energized and then continuously maintained in that state of energization while the thermally expandable material 36 is exposed to sufficient heat. The process of energizing the packer or other element can be accomplished without an additional intervention process from the surface.
  • thermally expandable material 36 is readily usable in thermal well, applications due to the normal heating of such wells during recovery of hydrocarbons.
  • the wellbore temperature and pressure can vary greatly over the life of a well, however such fluctuations have limited detrimental effects on the packer 42 which incorporates the thermally expandable material 36 to continuously energize the packer sealing element 32.
  • the thermally expandable material 36 is able to utilize the available elevated temperature in the wellbore during the injection and production stages of a thermal well application to assist in creating a more robust pressure integral seal for withstanding the higher pressure present during these stages.
  • the energized device system 28 again comprises cooperating elements including the energized device 30.
  • the energized device 30 may be used to apply a specific force, such as an axial force, that, actuates the device, e.g. actuates a packer sealing element 32.
  • the energized device 30 may comprise packer 42 and the applied axial force may be used to energize the packer sealing element 32 and or to engage the packer slips 35.
  • the energized device system 28 similarly comprises actuation region 40 which works in cooperation with thermally expandable material 36.
  • Actuation region 40 may comprise a variety of actuator members 44, including a piston or pistons acted on by the pressure of expandable material 36 to fully set packer 30, e.g. to expand the packer sealing element 32 into engagement with a surrounding wall 34 and/or to engage the packer slips 35.
  • the thermally expandable material 36 is in the self-contained volume 52.
  • the energized device system 28 also comprises a supplemental actuation system 56 which works in cooperation with the thermally expandable material 36.
  • the supplemental actuation system 56 comprises a supplemental actuator/actuation region 58.
  • the supplemental actuator 58 utilizes a supplemental force generating mechanism, such as pressurized fluid acting agains a supplemental pressure piston to generate a complementary axial force and movement.
  • the supplemental force generating mechanism may comprise a tubing string 60 which delivers pressurized fluid to the supplemental pressure piston in a manner which provides additional axial force in combination with the axial force provided by the thermally expandable material 36.
  • the pressurized fluid may be delivered through tubing string 22 or through an annulus surrounding tubing string 22.
  • thermally expandable material 36 is utilized as a setting or energizing booster in addition to providing a mechanism for continuously energizing packer sealing element 32.
  • the thermally expandable material 36 is combined with a supplemental actuator or serves as a supplemental actuator.
  • the energized device 30 again comprises radially expandable packer 42 having sealing element 32 which may be axially compressed to cause radial expansion of the sealing element 32 into sealing engagement with the surrounding wellbore wall 34.
  • the force to cause, axial compression of sealing element 32 may be applied via both tubing pressure and the force exerted by thermally expandable material 36 when exposed to sufficient heat in the well environment.
  • thermally expandable material 36 within the self- contained volume 52 of container 54.
  • the thermally expandable material 36 expands to drive piston 44 in an axial direction, as illustrated in Figure 8.
  • the axial movement of piston 44 further compresses sealing element 32 so as to form a dependable sea! with the surrounding welibore wall 34.
  • the thermally expandable material 36 may also be used to maintain the dependable seal while exposed to the high heat environment.
  • the expansion of thermally expandable material 36 may also be employed to set and/or maintain the setting of other components.
  • the thermally expandable material 36 may be utilized in a variety of applications and in many types of environments. Additional ly, the energized device system 28 employing the thermally expandable material 36 may be used to supplement, or replace other technologies. For example, the energized device system 28 may be used to replace sweiiable element technologies in certain environments, such as environments in which temperature and pressure are at the upper limits of or beyond the capabilities of sweiiable element materials. Similar to a sweiiable element, the thermally expandable material is able to fully energize the sealing element to create a pressure integral seal without any intervention from the surface. Unlike sweiiable elements, however, the thermally expandable material 36 serves as a setting mechanism independent of the packer sealing element 32. The combination of thermally expandable material 36 with a high temperature, high pressure sealing element, e.g. a suitable packer sealing element, can be used to provide the functionality of a swellable element but with a substantially increased service life at high temperatures and pressures.
  • the thermally expandable material 36 and the energized device system 28 may be employed in many high temperature and high pressure applications, including high temperature injector well applications. In certain high temperature injector well applications, a series of packer elements is utilized to segment the well and to improve fluid placement via the injector well
  • the energized device system 28 may be used in individual or multiple packers deployed in several types of thermal well applications, including steam assisted gravity drainage applications and cyclic steam applications.
  • the thermally expandable material 36 may also be used to actuate other or additional components of packer 42. In some applications, the thermally expandable material 36 may be used in energizing/actuating vaiious other components along the tubing string 22.
  • the device may have many forms and configurations.
  • the energized device may also utilize vaiious materials and material configurations.
  • the thermally expandable material is used singularly to energize a device, while other applications utilize the thermally expandable material as a
  • the thermally expandable material may be deployed in individual containers or in a plurality of containers that work in cooperation or serve to actuate different components. Additionally, the thermally expandable material may be in liquid form or other forms and may comprise vaiious individual materials or combinations of materials depending on the parameters of a given application.

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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)
  • Actuator (AREA)

Abstract

La présente invention concerne un système et un procédé qui facilitent l'actionnement d'un dispositif alimenté, tel qu'une garniture d'étanchéité. La technique fournit une force d'actionnement conjointement avec un matériau thermiquement dilatable situé dans un contenant. Le matériau thermiquement dilatable est accouplé fonctionnellement avec un élément, tel qu'un organe d'étanchéité de garniture d'étanchéité, par l'intermédiaire d'un élément actionneur. Lorsque le contenant et le matériau thermiquement dilatable sont positionnés dans un environnement à haute chaleur, le matériau thermiquement dilatable se dilate et actionne l'organe par l'intermédiaire de l'élément actionneur. Dans des applications de garniture d'étanchéité, le matériau thermiquement dilatable peut être utilisé pour alimenter en continu l'organe d'étanchéité de garniture d'étanchéité et/ou d'autres composants alors que le matériau thermiquement dilatable est positionné dans l'environnement à haute chaleur.
PCT/US2012/068934 2011-12-13 2012-12-11 Alimentation d'un élément qui comporte un matériau thermiquement dilatable WO2013090257A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US14/365,456 US20150000936A1 (en) 2011-12-13 2012-12-11 Energization of an element with a thermally expandable material
NO20140834A NO20140834A1 (no) 2011-12-13 2014-07-01 Energisering av et element med et termisk ekspanderbart materiale

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161570175P 2011-12-13 2011-12-13
US61/570,175 2011-12-13

Publications (1)

Publication Number Publication Date
WO2013090257A1 true WO2013090257A1 (fr) 2013-06-20

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015044404A3 (fr) * 2013-09-30 2015-07-02 Welltec A/S Barrière annulaire à extension thermique
WO2016079662A1 (fr) * 2014-11-17 2016-05-26 Vanguard Oil Tools & Services Llc Dispositif garniture d'étanchéité d'isolation zonale, activé par la température
WO2017104563A1 (fr) * 2015-12-15 2017-06-22 帝石削井工業株式会社 Garniture d'étanchéité
CN110424921A (zh) * 2019-08-28 2019-11-08 中研(天津)能源装备有限公司 一种封隔器
CN115354985A (zh) * 2022-06-29 2022-11-18 中国地质大学（武汉） 一种热力注入井热敏型套管防护方法及装置

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WO2007031723A2 (fr) * 2005-09-14 2007-03-22 Petrowell Limited Garniture
US7591318B2 (en) * 2006-07-20 2009-09-22 Halliburton Energy Services, Inc. Method for removing a sealing plug from a well
US7669661B2 (en) * 2008-06-20 2010-03-02 Baker Hughes Incorporated Thermally expansive fluid actuator devices for downhole tools and methods of actuating downhole tools using same
US20100139930A1 (en) * 2004-03-12 2010-06-10 Schlumberger Technology Corporation System and method to seal using a swellable material
US20110174504A1 (en) * 2010-01-15 2011-07-21 Halliburton Energy Services, Inc. Well tools operable via thermal expansion resulting from reactive materials

Patent Citations (5)

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US20100139930A1 (en) * 2004-03-12 2010-06-10 Schlumberger Technology Corporation System and method to seal using a swellable material
WO2007031723A2 (fr) * 2005-09-14 2007-03-22 Petrowell Limited Garniture
US7591318B2 (en) * 2006-07-20 2009-09-22 Halliburton Energy Services, Inc. Method for removing a sealing plug from a well
US7669661B2 (en) * 2008-06-20 2010-03-02 Baker Hughes Incorporated Thermally expansive fluid actuator devices for downhole tools and methods of actuating downhole tools using same
US20110174504A1 (en) * 2010-01-15 2011-07-21 Halliburton Energy Services, Inc. Well tools operable via thermal expansion resulting from reactive materials

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015044404A3 (fr) * 2013-09-30 2015-07-02 Welltec A/S Barrière annulaire à extension thermique
US10344555B2 (en) 2013-09-30 2019-07-09 Welltec Oilfield Solutions Ag Thermally expanded annular barrier, system, and method with a thermally decomposable compound
WO2016079662A1 (fr) * 2014-11-17 2016-05-26 Vanguard Oil Tools & Services Llc Dispositif garniture d'étanchéité d'isolation zonale, activé par la température
CN107002476A (zh) * 2014-11-17 2017-08-01 万加德石油工具及服务有限责任公司 温度启用的区域分隔封隔器装置
US10472921B2 (en) 2014-11-17 2019-11-12 Vanguard Oil Tools & Services Llc Temperature activated zonal isolation packer device
CN107002476B (zh) * 2014-11-17 2020-09-29 万加德石油工具及服务有限责任公司 温度启用的区域分隔封隔器装置
EA036180B1 (ru) * 2014-11-17 2020-10-12 Вангард Ойл Тулз Энд Сервисиз Ллс Активируемое температурой пакерующее устройство разобщения зон
WO2017104563A1 (fr) * 2015-12-15 2017-06-22 帝石削井工業株式会社 Garniture d'étanchéité
US10801299B2 (en) 2015-12-15 2020-10-13 Teiseki Drilling Co., Ltd. Packer
CN110424921A (zh) * 2019-08-28 2019-11-08 中研(天津)能源装备有限公司 一种封隔器
CN115354985A (zh) * 2022-06-29 2022-11-18 中国地质大学（武汉） 一种热力注入井热敏型套管防护方法及装置
CN115354985B (zh) * 2022-06-29 2023-12-29 中国地质大学（武汉） 一种热力注入井热敏型套管防护方法及装置

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Publication number Publication date
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