EP2906773B1 - System und verfahren zum umfangsseitigen ausrichten eines bohrlochverriegelungssystems - Google Patents

System und verfahren zum umfangsseitigen ausrichten eines bohrlochverriegelungssystems Download PDF

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Publication number
EP2906773B1
EP2906773B1 EP12886400.6A EP12886400A EP2906773B1 EP 2906773 B1 EP2906773 B1 EP 2906773B1 EP 12886400 A EP12886400 A EP 12886400A EP 2906773 B1 EP2906773 B1 EP 2906773B1
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EP
European Patent Office
Prior art keywords
latch
orienting
profile
keys
subassembly
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EP12886400.6A
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English (en)
French (fr)
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EP2906773A1 (de
EP2906773A4 (de
Inventor
Stuart Alexander TELFER
Espen Dahl
David Joe STEELE
Lester Barett DUPLER
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Halliburton Energy Services Inc
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Halliburton Energy Services Inc
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Priority to EP17186957.1A priority Critical patent/EP3299574B1/de
Publication of EP2906773A1 publication Critical patent/EP2906773A1/de
Publication of EP2906773A4 publication Critical patent/EP2906773A4/de
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    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
    • 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
    • E21B23/02—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing

Definitions

  • This invention relates, in general, to equipment utilized in conjunction with operations performed in subterranean wells and, in particular, to a system for circumferentially aligning a latch assembly with a latch coupling in a subterranean well and a method for use of same.
  • a deflection assembly such as a whipstock is positioned in the casing string at the desired intersection and then one or more mills are deflected laterally off of the whipstock to form a window through the casing sidewall.
  • a latch assembly associated with the whipstock is anchored into and rotationally oriented within a latch coupling interconnected in the casing string.
  • the latch assembly typically includes a plurality of spring operated latch keys, each of which having an anchoring and orienting profile that is received in a latch profile formed internally within the latch coupling. In this manner, when the latch keys of the latch assembly are operatively engaged with the latch profile of the latch coupling, the latch assembly and the equipment associate therewith are axially and circumferentially anchored and rotationally oriented in the desired direction within the casing string.
  • a need has arisen for an improved system for circumferentially aligning a downhole latch subsystem in a subterranean well.
  • a need has arisen for such an improved system that is operable for use in deep or extended reach wells.
  • a need has arisen for such an improved system that does not risk over stressing the latch keys or releasing the latch assembly from the latch coupling during circumferential orientation.
  • WO 99/49178 relates to a prior art system for locating a tool in a wellbore, said system comprising a profile disposed in a tubular such as casing or a coupling and a device for engaging said profile, wherein, in use said device locates or engages said profile and is held in relation therewith, said device being connectable or integral with a tool.
  • WO 99/49178 relates also to a prior art method for locating a tool in a wellbore using the system, the method comprising the step of lowering said device in a wellbore and engaging said profile, whereupon a tool is located.
  • the present invention disclosed herein is directed to a system for circumferentially aligning a downhole latch subsystem in a subterranean well.
  • the system of the present invention is operable for use in deep and extended reach wells.
  • the system of the present invention does not risk over stressing the latch keys or releasing the latch assembly from the latch coupling during circumferential orientation.
  • the present invention is directed to a system for circumferentially aligning a downhole latch subsystem in a wellbore according to the features of claim 1 and a method of circumferentially aligning a downhole latch according to claim 4.
  • the system includes a casing string position in the wellbore.
  • a latch coupling is interconnected in the casing string and has a latch profile.
  • a slot subassembly is also interconnected in the casing string and has an axially extending slot profile.
  • a tool string is run downhole and positioned within the casing string.
  • a latch assembly is interconnected in the tool string and has a plurality of latch keys.
  • An orienting subassembly is also interconnected in the tool string and has a plurality orienting keys.
  • the plurality of latch keys are circumferentially distributed about the latch assembly.
  • each of the latch keys has axial anchor elements and circumferential anchor elements.
  • the circumferential anchor elements of each latch key may be different from the circumferential anchor elements of the other latch keys.
  • the plurality of orienting keys may be axially distributed along the orienting subassembly.
  • the orienting keys may become progressively circumferentially wider from the downhole end to the uphole end of the orienting subassembly.
  • the orienting keys may have a tapered leading edge, a tapered trailing edge or both.
  • the present invention is directed to a system for circumferentially aligning a downhole latch subsystem in a wellbore.
  • the system includes an outer tool assembly including a latch coupling having a latch profile and a slot subassembly having an axially extending slot profile.
  • An inner tool assembly is positionable within the outer tool assembly and includes a latch assembly having a plurality of latch keys and an orienting subassembly having a plurality orienting keys.
  • the latch coupling and the slot subassembly are coupled together. In another embodiment, the latch assembly and the orienting subassembly are coupled together. In certain embodiments, the inner tool assembly includes a deflection assembly.
  • the present invention is directed to a method for circumferentially aligning a downhole latch subsystem in a wellbore.
  • the method includes positioning a casing string in the wellbore, the casing string including a latch coupling having a latch profile and a slot subassembly having an axially extending slot profile; running a tool string into the casing string, the tool string including a latch assembly having a plurality of latch keys and an orienting subassembly having a plurality orienting keys; axially aligning the orienting subassembly with the slot subassembly; rotating the tool string within the casing string to rotate the orienting subassembly relative to the slot subassembly; operably engaging at least one orienting key with the slot profile; and axially aligning the latch assembly with the latch coupling, thereby operably engaging the latch keys with the latch profile.
  • the method may also include providing coarse circumferential prealignment of the latch keys with the latch profile by operably engaging at least one orienting key with the slot profile; axially sliding at least some of the orienting key through the slot profile; providing fine circumferential prealignment of the latch keys with the latch profile and/or axially and circumferentially anchoring the latch keys within the latch profile.
  • a system for circumferentially aligning a downhole latch subsystem in a subterranean well is schematically illustrated and generally designated 10.
  • a semi-submersible platform 12 is centered over submerged oil and gas formation 14 located below sea floor 16.
  • a subsea conduit 18 extends from deck 20 of platform 12 to wellhead installation 22, including blowout preventers 24.
  • Platform 12 has a hoisting apparatus 26 and a derrick 28 for raising and lowering pipe strings such as drill string 30.
  • a main wellbore 32 has been drilled through the various earth strata including formation 14.
  • the terms "parent” and "main” wellbore are used herein to designate a wellbore from which another wellbore is drilled.
  • casing string 34 is cemented within main wellbore 32.
  • the term "casing” is used herein to designate a tubular string used in a wellbore or to line a wellbore.
  • the casing may be of the type known to those skilled in the art as a "liner” and may be made of any material, such as steel or a composite material and may be segmented or continuous, such as coiled tubing.
  • Casing string 34 includes a window joint 36 interconnected therein.
  • casing string 34 includes a latch coupling 38 and a slot assembly 40.
  • Latch coupling 38 has a latch profile that is operably engagable with latch keys of a latch assembly (not visible in figure 1 ) such that the latch assembly may be axially anchored and rotationally oriented in latch coupling 38.
  • Slot assembly 40 has a slot profile that is operably engagable with orienting keys of an orienting subassembly (not visible in figure 1 ). Operating the orienting subassembly such that the orienting keys operably engage the slot profile of slot assembly 40, prealigns the latch keys of latch assembly with the latch profile of latch coupling 38. Thereafter, axial shifting of the latch assembly into latch coupling 38 operably engages the latch keys of the latch assembly with the latch profile of latch coupling 38.
  • a deflection assembly depicted as whipstock 42 is positioned in a desired circumferential orientation relative to window joint 36 such that a window 44 can be milled, drilled or otherwise formed in window joint 36 in the desired circumferential direction.
  • window joint 36 is positioned at a desired intersection between main wellbore 32 and a branch or lateral wellbore 46.
  • branch and lateral wellbore are used herein to designate a wellbore that is drilled outwardly from its intersection with another wellbore, such as a parent or main wellbore.
  • a branch or lateral wellbore may have another branch or lateral wellbore drilled outwardly therefrom.
  • figure 1 depicts the system for circumferentially aligning a downhole latch subsystem of the present invention in a vertical section of a main wellbore
  • system of the present invention is equally well suited for use in wellbores having other directional configurations including horizontal wellbores, deviated wellbores, slanted wells, lateral wells and the like.
  • system for circumferentially aligning a downhole latch subsystem of the present invention is depicted in a main wellbore having a single lateral wellbore extending therefrom, it should be understood by those skilled in the art that the system of the present invention can be used in main wellbores having multiple lateral wellbores each of which may utilize a system of the present invention for positioning and orienting a deflection assembly as each system of the present invention has a non restrictive inner diameter that enables non mating or non aligned latch assemblies to pass through a latch coupling.
  • a system for circumferentially aligning a downhole latch subsystem is depicted and generally designated 100.
  • a portion of system 100 is constructed as part of casing string 102.
  • Casing string 102 includes a window joint 104 that is preferably formed from an easily millable or drillable material such as aluminum.
  • window joint 104 has been described as being formed from an easily millable or drillable material, those skilled in the art will understand that window joint 104 could alternatively be formed from standard casing or could have a pre-milled window formed therein.
  • window joint 104 has a window 106 formed therethrough.
  • casing string 102 includes a latch coupling 108 having a latch profile 110.
  • casing string 102 includes a slot subassembly 112 having a slot profile 114. Downhole thereof, casing string 102 includes any number of downhole tubulars, such as tubular 116, or other downhole tools.
  • window joint 104, latch coupling 108 and slot subassembly 112 are depicted as being interconnected within casing string 34 proximate one another, however, those skilled in the art will recognize that other tools or tubulars may alternatively be interconnected within casing string 102 between window joint 104, latch coupling 108 and slot subassembly 112.
  • latch coupling 108 and slot subassembly 112 may be referred to as an outer tool string that is operable to receive another tool string in the central pathway therethrough.
  • latch profile 110 preferably includes a plurality of circumferential alignment elements that are operable to receive latch keys of a latch assembly therein to locate the latch assembly in a particular circumferential orientation and axial position.
  • the inner tool string Disposed within casing string 102 is an inner tool string that is operable to be run into the outer tool string.
  • the inner tool string includes a deflection assembly depicted as whipstock 118 having a deflector surface 120 operable to direct a milling or drilling tool into the sidewall of window joint 104 to create a window 106 therethrough.
  • the deflection assembly would be a completion deflector operably to direct the desired completion equipment into the branch wellbore while allowing the desired equipment or fluid to travel in the main wellbore.
  • the inner tool string Positioned downhole of whipstock 118, the inner tool string includes a latch assembly 122 having a plurality of latch keys 124 that are depicted as being operably engaged with latch profile 110 of latch coupling 108, as best seen in figure 2F . Positioned downhole of latch assembly 122, the inner tool string includes an orienting subassembly 126 having a plurality of orienting keys 128, the upper two of which are depicted as being operably engaged with slot profile 114 of slot subassembly 112, as best seen in figure 2G .
  • deflector surface 120 of whipstock 118 is positioned in the desired circumferential orientation relative to window joint 104 allowing window 106 to be milled, drilled or otherwise formed in window joint 104 in a drilling embodiment.
  • latch coupling 200 is representative of latch coupling 108 discussed above. It is noted that each latch coupling may have a unique latch profile that is different from the latch profile of another latch coupling. This enables selective engagement with a matching or mating set of latch keys in a desired latch assembly. Accordingly, latch coupling 200 is described herein to illustrate the type of elements and combination of elements that can be used to create any number of unique latch profiles as contemplated by the present invention.
  • Latch coupling 200 has a generally tubular body 202 having an upper connector 204 and a lower connector 206 suitable for connecting latch coupling 200 to other tools or tubulars via a threaded connection, a pinned connection or the like.
  • Latch coupling 200 includes an internal latch profile 208 including a plurality of axially spaced apart recessed grooves 210a-210h that extend circumferentially about the inner surface of latch coupling 200.
  • recessed grooves 210a-210h extend about the entire circumferential internal surface of latch coupling 200.
  • Latch profile 208 also includes an upper groove 212 having a lower square shoulder 214 and an upper angled shoulder 216.
  • Latch profile 208 further includes a lower groove 218 having a lower angled shoulder 220 and an upper angled shoulder 222.
  • Latch profile 208 also has a plurality of circumferential alignment elements depicted as a plurality of recesses disposed within the inner surface of latch coupling 200.
  • a first set of two recesses 224a, 224b are disposed within the inner surface of latch coupling 200 at substantially the same circumferential positions and different axial positions.
  • a second set of two recesses 226a, 226b are disposed within the inner surface of latch coupling 200 at substantially the same circumferential positions and different axial positions.
  • a third set of two recesses 228a, 228b are disposed within the inner surface of latch coupling 200 at substantially the same circumferential positions and different axial positions.
  • a fourth set of two recesses 230a, 230b are disposed within the inner surface of latch coupling 200 at substantially the same circumferential positions and different axial positions.
  • recesses 226 are disposed within the inner surface of latch coupling 200 at a ninety degree circumferentially interval from recesses 224.
  • recesses 228 are disposed within the inner surface of latch coupling 200 at a ninety degree circumferentially interval from recesses 226.
  • recesses 230 are disposed within the inner surface of latch coupling 200 at a ninety degree circumferentially interval from recesses 228.
  • recesses 224, 226, 228, 230 only partially extend circumferentially about the internal surface of latch coupling 200.
  • Latch profile 208 including the circumferential alignment elements creates a unique mating pattern operable to cooperate with the latch key profile associated with a desired latch assembly to axially and circumferentially anchor and orient, for example, a whipstock assembly in a particular desired circumferential orientation relative to the latch coupling.
  • the specific profile of each latch coupling can be created by varying one or more of the elements or parameters thereof. For example, the thickness, number and relative spacing of the recesses can be altered.
  • slot subassembly 250 for use in a system for circumferentially aligning a downhole latch subsystem of the present invention is depicted and generally designated 250.
  • Slot subassembly 250 has a generally tubular body 252 including an upper connector 254 and a lower connector 256 suitable for connecting slot subassembly 250 to other tools or tubulars via a threaded connection, a pinned connection or the like.
  • Slot subassembly 250 includes an axially extending internal slot profile 258.
  • slot profile 258 includes a tapered upper entry 260 and tapered lower entry 262.
  • the circumferentially width of slot profile 258 will substantially match that of the widest orienting key as described in greater detail hereinbelow.
  • the length of slot profile 258 is preferably at least long enough such that at least one of the orienting keys remains within slot profile 258 during alignment operations as described in greater detail hereinbelow.
  • Latch assembly 300 has an outer housing 302 including an upper housing 304 having an upper connector 306 suitable for coupling latch assembly 300 to other tools or tubulars via a threaded connection, a pinned connection or the like.
  • Outer housing 302 includes a key housing 308 having four circumferentially distributed, axially extending key windows 310.
  • Outer housing 302 also including a lower housing 312 having a lower connector 314 suitable for coupling latch assembly 300 to other tools or tubulars via a threaded connection, a pinned connection or the like.
  • Latch keys 316 Disposed within key housing 308 is a plurality of spring operated latch keys 316 that are operable to partially extend through key windows 310.
  • Latch keys 316 are radially outwardly biased by upper and lower Belleville springs 318, 320 that urge upper and lower conical wedges 322, 324 under latch keys 316.
  • Each of the latch keys 316 has a unique key profile, such as key profile 326, that enables the anchoring and orienting functions of latch assembly 300 with a mating latch coupling having the appropriate latch profile.
  • key profile 326 includes a plurality of radial variations that must correspond with mating radial portions of a latch profile in order for a latch key 316 to operably engage with or snap into that latch profile.
  • the latch assembly 300 In order for each of the latch keys 316 to operably engage with a latch profile, the latch assembly 300 must be properly axially positioned within the mating latch coupling and properly circumferentially oriented within the mating latch coupling.
  • key profile 326 may mate with the portion of latch profile 208 having recesses 230, described above. In this manner, the axial location and circumferential orientation of a device, such as a deflection assembly, that is coupled to or operably associated with latch assembly 300 can be established.
  • Orienting subassembly 350 has an outer housing 352 including an upper connector 354 suitable for coupling orienting subassembly 350 to other tools or tubulars via a threaded connection, a pinned connection or the like.
  • Outer housing 352 includes an upper key housing 356 having a key window 358, a middle key housing 360 having a key window 362 and three lower key housings 364, 368, 372 having, respectively, key windows 366, 370, 374.
  • Outer housing 352 also including a lower connector 376 suitable for coupling orienting subassembly 350 to other tools or tubulars via a threaded connection, a pinned connection or the like.
  • Operably associated with upper key housing 356 is a spring operated orienting key 378 that is operable to partially extend through key window 358. Orienting key 378 is radially outwardly biased by a plurality of springs 380 disposed between upper key housing 356 and orienting key 378.
  • Operably associated with middle key housing 360 is a spring operated orienting key 382 that is operable to partially extend through key window 362. Orienting key 382 is radially outwardly biased by a plurality of springs 384 disposed between middle key housing 360 and orienting key 382.
  • Operably associated with lower key housing 364 is a spring operated orienting key 386 that is operable to partially extend through key window 366.
  • Orienting key 386 is radially outwardly biased by a plurality of springs 388 disposed between lower key housing 364 and orienting key 386.
  • Operably associated with lower key housing 368 is a spring operated orienting key 390 that is operable to partially extend through key window 370.
  • Orienting key 390 is radially outwardly biased by a plurality of springs 392 disposed between lower key housing 368 and orienting key 390.
  • Operably associated with lower key housing 372 is a spring operated orienting key 394 that is operable to partially extend through key window 374.
  • Orienting key 394 is radially outwardly biased by a plurality of springs 396 disposed between lower key housing 372 and orienting key 394.
  • each of the lower orienting keys 386, 390, 394 has a first circumferential width
  • middle orienting key 382 has a second circumferential width
  • upper orienting key 378 has a third circumferential width.
  • the first circumferential width is less than the second circumferential width
  • the second circumferential width is less than the third circumferential width.
  • each of the orienting keys 378, 382, 386, 390, 394 has a tapered leading and trailing edge, the benefit of which will be described hereinbelow.
  • An outer tool string including a window joint, a latch coupling and a slot subassembly are interconnected in a casing string and the casing string is run into, for example, the main wellbore.
  • an inner tool string including a deflection assembly, a latch assembly and an orienting subassembly is run into the casing string.
  • the orienting keys of the orienting subassembly are circumferentially aligned with a specific and known latch key of the latch assembly such as the first latch key of the latch assembly.
  • the inner tool string is moved downhole via a conveyance such as a jointed tubing string until the latch assembly is on depth with the latch coupling. This operation is indicated by a weight signal on the surface.
  • the inner tool string is then picked up a predetermined distance such that at least one of the lower orienting keys is axially aligned with the slot profile of the slot subassembly.
  • the inner tool string is rotated within the casing string to rotate the orienting subassembly relative to the slot subassembly until at least one lower orienting key operably engages or snaps into the slot profile.
  • the at least one lower orienting key axially aligned with the slot profile easily enters the slot profile without interference with the sides of the slot profile even as the inner tool string is rotated.
  • a torque signal is received at the surface. Due to the relatively long axial length of the orienting keys, the allowable torque between the orienting key or keys of the orienting subassembly and the slot profile of the slot subassembly is much greater than the previously allowable torque between the latch keys of a latch assembly and the latch profile of a latch coupling. As such, the risk of over stressing the latch keys or releasing the latch assembly from the latch coupling during circumferential orientation is alleviated.
  • the inner tool string may be moved downhole.
  • the middle orienting key enters the slot profile.
  • improved circumferential prealignment of the latch keys with the latch profile is achieved.
  • the upper orienting key enters the slot profile.
  • fine circumferential prealignment of the latch keys with the latch profile is achieved.
  • the tapered leading and trailing edges of the orienting keys as well as the tapered upper entry and lower entry of the slot profile aid in the axial movement of the orienting keys through the slot profile.
  • the latch keys operably engage the latch profile with little or no rotation of the inner tool string.
  • the latch keys axially and circumferentially anchor the latch assembly within the latch coupling.
  • the latch keys may axially anchor the latch assembly within the latch coupling while the upper orienting key in the slot profile may provide circumferential anchoring.
  • the deflection assembly is positioned in a desired circumferential orientation relative to the window joint such that a window can be milled, drilled or otherwise formed in window joint in the desired circumferential direction.

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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)
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Claims (8)

  1. System zum umfangsseitigen Ausrichten eines Bohrlochverriegelungsteilsystems (100) in einem Bohrloch, wobei das System umfasst:
    einen Futterrohrstrang (102), der in dem Bohrloch anordenbar ist;
    eine Verriegelungskupplung (108), die in dem Futterrohrstrang (102) verbunden ist, wobei die Verriegelungskupplung ein Verriegelungsprofil (110) aufweist;
    eine Schlitzteilanordnung (112), die in dem Futterrohrstrang (102) verbunden ist, wobei die Schlitzteilanordnung ein axial verlaufendes Schlitzprofil (114) aufweist;
    einen Werkzeugstrang, der in dem Futterrohrstrang anordenbar ist;
    eine Verriegelungsanordnung (122), die in dem Werkzeugstrang verbunden ist, wobei die Verriegelungsanordnung eine Vielzahl von Verriegelungskeilen (124) aufweist; und
    eine Orientierungsteilanordnung (126), die in dem Werkzeugstrang verbunden ist, wobei die Orientierungsteilanordnung eine Vielzahl von Orientierungskeilen (128) aufweist, die axial entlang der Orientierungsteilanordnung (126) verteilt sind,
    wobei nach axialem Ausrichten der Orientierungsteilanordnung (126) an der Schlitzteilanordnung (112) eine Drehung der Orientierungsteilanordnung (126) einen Wirkeingriff wenigstens eines Orientierungskeils (128) in dem Schlitzprofil (114) herbeiführt und danach eine axiale Ausrichtung der Verriegelungsanordnung (122) an der Verriegelungskupplung (108) einen Wirkeingriff der Verriegelungskeile (124) in dem Verriegelungsprofil (110) herbeiführt.
  2. System nach Anspruch 1, wobei die Vielzahl von Verriegelungskeilen (124) ferner eine Vielzahl von umfangsseitig verteilten Verriegelungskeilen umfasst; und gegebenenfalls wobei jeder der Verriegelungskeile ferner axiale Ankerelemente und umfangsseitige Ankerelemente umfasst und wobei sich die umfangsseitigen Ankerelemente jedes Verriegelungskeils von den umfangsseitigen Ankerelementen der anderen Verriegelungskeile unterscheiden.
  3. System nach Anspruch 1, wobei wenigstens einige der Vielzahl von axial verteilten Orientierungskeilen (128):
    (i) vom im Bohrloch untenliegenden Ende zum im Bohrloch obenliegenden Ende der Orientierungsteilanordnung (126) zunehmend im Umfang breiter werden; oder
    (ii) eine schräge Vorderkante oder eine schräge Hinterkante aufweisen.
  4. Verfahren zum umfangsseitigen Ausrichten eines Bohrlochverriegelungsteilsystems (100) in einem Bohrloch, wobei das Verfahren umfasst:
    Anordnen eines Futterrohrstrangs (102) in dem Bohrloch, wobei der Futterrohrstrang eine Verriegelungskupplung (108) mit einem Verriegelungsprofil (110) und eine Schlitzteilanordnung (112) mit einem axial verlaufenden Schlitzprofil (114) beinhaltet;
    Einführen eines Werkzeugstrangs in den Futterrohrstrang, wobei der Werkzeugstrang eine Verriegelungsanordnung (112) mit einer Vielzahl von Verriegelungskeilen (124) und eine Orientierungsteilanordnung (126) mit einer Vielzahl von Orientierungskeilen (128), die axial entlang der Orientierungsteilanordnung (126) verteilt sind, beinhaltet;
    axiales Ausrichten der Orientierungsteilanordnung (126) an der Schlitzteilanordnung (112);
    Drehen des Werkzeugstrangs in dem Futterrohrstrang zum Drehen der Orientierungsteilanordnung (126) bezüglich der Schlitzteilanordnung (112);
    wirksames Ineingriffnehmen wenigstens eines Orientierungskeils (128) in dem Schlitzprofil (114); und
    axiales Ausrichten der Verriegelungsanordnung (122) an der Verriegelungskupplung (108), wodurch die Verriegelungskeile (124) in dem Verriegelungsprofil (110) in Wirkeingriff genommen werden.
  5. Verfahren nach Anspruch 4, wobei das wirksame Ineingriffnehmen wenigstens eines Orientierungskeils (128) in dem Schlitzprofil (114) ferner ein Bereitstellen einer groben umfangsseitigen Vorausrichtung der Verriegelungskeile (124) an dem Verriegelungsprofil (110) umfasst.
  6. Verfahren nach Anspruch 5, wobei das axiale Ausrichten der Verriegelungsanordnung (122) an der Verriegelungskupplung (108) ferner ein axiales Gleiten wenigstens eines Teils des Orientierungskeils (128) durch das Schlitzprofil (114) umfasst.
  7. Verfahren nach Anspruch 6, wobei das Gleiten wenigstens eines Teils des Orientierungskeils (128) durch das Schlitzprofil (114) ferner in Bereitstellen einer feinen umfangsseitigen Vorausrichtung der Verriegelungskeile (124) an dem Verriegelungsprofil (110) umfasst.
  8. Verfahren nach Anspruch 4, wobei das wirksame Ineingriffnehmen der Verriegelungskeile (124) in dem Verriegelungsprofil (110) ferner ein axiales und umfangsseitiges Verankern der Verriegelungskeile (124) in dem Verriegelungsprofil (110) umfasst.
EP12886400.6A 2012-10-09 2012-10-09 System und verfahren zum umfangsseitigen ausrichten eines bohrlochverriegelungssystems Active EP2906773B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17186957.1A EP3299574B1 (de) 2012-10-09 2012-10-09 System und verfahren zum umfangsseitigen ausrichten eines bohrlochverriegelungssystems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2012/059308 WO2014058412A1 (en) 2012-10-09 2012-10-09 System and method for circumferentially aligning a downhole latch subsystem

Related Child Applications (2)

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EP17186957.1A Division EP3299574B1 (de) 2012-10-09 2012-10-09 System und verfahren zum umfangsseitigen ausrichten eines bohrlochverriegelungssystems
EP17186957.1A Division-Into EP3299574B1 (de) 2012-10-09 2012-10-09 System und verfahren zum umfangsseitigen ausrichten eines bohrlochverriegelungssystems

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EP2906773A4 EP2906773A4 (de) 2016-06-15
EP2906773B1 true EP2906773B1 (de) 2017-09-27

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EP17186957.1A Active EP3299574B1 (de) 2012-10-09 2012-10-09 System und verfahren zum umfangsseitigen ausrichten eines bohrlochverriegelungssystems

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EP (2) EP2906773B1 (de)
AU (1) AU2012392158B2 (de)
BR (2) BR122020005433B1 (de)
CA (1) CA2887587C (de)
EA (1) EA035445B1 (de)
MX (1) MX357190B (de)
NO (1) NO2906773T3 (de)
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AU2012395856B2 (en) 2012-11-29 2016-10-06 Halliburton Energy Services, Inc. Apparatus, system and method for circumferentially orienting a downhole latch subsystem
WO2017086936A1 (en) 2015-11-17 2017-05-26 Halliburton Energy Services, Inc. One-trip multilateral tool

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NO311265B1 (no) * 1994-01-25 2001-11-05 Halliburton Co Ledekileanordning
US6019173A (en) * 1997-04-04 2000-02-01 Dresser Industries, Inc. Multilateral whipstock and tools for installing and retrieving
US6283208B1 (en) * 1997-09-05 2001-09-04 Schlumberger Technology Corp. Orienting tool and method
US6089319A (en) 1998-03-23 2000-07-18 Weatherford/Lamb, Inc. Whipstock
CA2248287C (en) * 1998-09-22 2002-05-21 Laurier E. Comeau Fail-safe coupling for a latch assembly
US6935428B2 (en) * 2002-08-12 2005-08-30 Halliburton Energy Services, Inc. Apparatus and methods for anchoring and orienting equipment in well casing
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Also Published As

Publication number Publication date
EP3299574A1 (de) 2018-03-28
WO2014058412A1 (en) 2014-04-17
CA2887587A1 (en) 2014-04-17
EA201590560A1 (ru) 2015-07-30
EA035445B1 (ru) 2020-06-17
BR112015008001A2 (pt) 2017-07-04
EP3299574B1 (de) 2019-07-24
CA2887587C (en) 2017-08-01
AU2012392158B2 (en) 2016-01-14
EP2906773A1 (de) 2015-08-19
NO2906773T3 (de) 2018-02-24
MX2015004499A (es) 2015-12-01
AU2012392158A1 (en) 2015-04-16
BR122020005433B1 (pt) 2020-12-29
MX357190B (es) 2018-06-29
BR112015008001B1 (pt) 2020-12-01
EP2906773A4 (de) 2016-06-15

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