EP3535474B1 - Systems and methods for setting an extreme-range anchor within a wellbore - Google Patents

Systems and methods for setting an extreme-range anchor within a wellbore Download PDF

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Publication number
EP3535474B1
EP3535474B1 EP17867604.5A EP17867604A EP3535474B1 EP 3535474 B1 EP3535474 B1 EP 3535474B1 EP 17867604 A EP17867604 A EP 17867604A EP 3535474 B1 EP3535474 B1 EP 3535474B1
Authority
EP
European Patent Office
Prior art keywords
wellbore
arms
tool
pull rod
footplates
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17867604.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3535474A1 (en
EP3535474A4 (en
Inventor
Michael C. Robertson
Antony F. Grattan
Douglas J. Streibich
Cory L. HUGGINS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robertson Intellectual Properties LLC
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Robertson Intellectual Properties LLC
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Filing date
Publication date
Priority claimed from US15/340,835 external-priority patent/US10294744B2/en
Application filed by Robertson Intellectual Properties LLC filed Critical Robertson Intellectual Properties LLC
Publication of EP3535474A1 publication Critical patent/EP3535474A1/en
Publication of EP3535474A4 publication Critical patent/EP3535474A4/en
Application granted granted Critical
Publication of EP3535474B1 publication Critical patent/EP3535474B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • E21B17/1021—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs

Definitions

  • Some existing tool systems deployed within a wellbore, are constructed with control lines surrounding the periphery of a pipe or tubular string. Removal of the pipe requires cutting both the pipe at the target location, and the control line or lines. Without cutting both, operators cannot complete the required finishing operations. Cutting operations that are powerful enough to cut through all the elements, however, are restricted in their use due to the danger of causing harm to the backside infrastructure. Thus, having the ability to make multiple, precise cuts at a single target plane can enable all elements to be cut. A need exists for placing tools that enable precise energy delivery for cut effectiveness.
  • Other positioning systems can include providing physical features within the interior of a tubular string that interact with corresponding physical features of a locating tool; however, these positioning systems require numerous, precisely crafted features to ensure proper function and interaction, including various moving parts to cause selective engagement between corresponding features.
  • Having the flexibility of a selectively placed locking feature within a tubular member greatly enhances the tool's ability to positively fixate a tool, using pre-positioned anchoring profile mechanisms within a wellbore system.
  • the system may include a second extending assembly configured to engage the wellbore.
  • the second extending assembly may include a third set of arms connected to the second brace, a fourth set of arms connected to a third brace, and a second set of footplates.
  • Each footplate in the second set of footplates can be connected at a first side of the third set of arms and connected at a second side to the fourth set of arms.
  • the method can further include the steps of lowering a first tool onto the tool connecting head, completing a first operation with the first tool, retrieving the first tool to a surface of the wellbore, lowering a second tool onto the tool connecting head, completing a second operation with the second tool at a second location, and retrieving the second tool to the surface of the wellbore.
  • the method of the disclosed embodiments may also include pulling on the tool connecting head in the axial direction to disengage the set of footplates from the wellbore.
  • the step of completing the first operation, the second operation, or combinations thereof may include actuating an axial torch cutter, a radial torch cutter, a wellbore perforator, a production tubing cutter, or combinations thereof.
  • actuating the setting tool may include shearing a setting rod from the pull rod. The shearing may be configured to occur when the set of footplates are engaged with the wellbore.
  • the first operation may be completed at a target location and the second operation may be completed within three (3) centimeters (1.18 inches), or less than three 3 centimeters of the target location.
  • the footplates may be configured to extend in the radial direction up to fifteen (15) centimeters.
  • the assemblies 20, 22 can extend radially outward in response to a pull rod 32, which pulls on a bottom end 34 of the extreme range anchor 10 to shorten the distance between the braces 28, 29, 30. That is, a setting tool, an electromechanical anchor, or other tool for pulling, urges the pull rod 32 (perhaps through intermediary components, as explained below) in an upper direction 36; and in response, the footplates 26 in the lower assembly 20 and the upper assembly 22 simultaneously extend in a radially outward direction 44.
  • the simultaneous movement of all sets of arms 24a-d and footplates 26a-b self-centers the extreme range anchor 10 within the wellbore, tubing, etc.
  • a pull rod spring 40 can be used to exert a force in a downward direction 42 during the time that the extreme range anchor 10 travels down the wellbore to keep the assemblies 20, 22 radially inward 38 and to prevent vibration or accidental movement of the assemblies 20, 22 due to loose movement of the arms 24a-d and/or the footplates 26a-b.
  • FIG. 2 is a cross-sectional view of an embodiment of the extreme range anchor 10 shown in FIG. 1 .
  • FIG. 2 shows the lower assembly 20 in a traveling or un-extended position with the pull rod 32 fully in the downward radial direction 42.
  • the footplate 26a may be secured into position with pins 46 that may be attached to the pull rod spring 40 or other area of the extreme range anchor 10.
  • the pins 46 can grip the footplate 26 at a gripping surface 48 that stably affixes until the pull rod 32 is deployed in the upward radial direction 36.
  • the lower assembly 20, illustrated in FIG. 2 will maintain a traveling angle 50 for the arms 24a-b relative to the braces 28, 29 throughout the descent into the wellbore.
  • the traveling angle 50 may typically be near 90 degrees, meaning that the arms 24a-b are usually traveling parallel to the wellbore during descent. In some embodiments, however, the traveling angle 50 may be greater than or less than 90 degrees, to accommodate more rapid deployment or other requirements for deployment of the extreme range anchor 10.
  • FIG. 2 shows that the pull rod 32 is rigidly attached to the bottom end 34, so that when the pull rod 32 is pulled, the bottom end 34, the bottom brace 28, and the attached arm 24a are all pulled in the upward radial direction 36.
  • the middle brace 29, in contrast, can travel along the outer diameter of the pull rod 32 such that the pull rod 32 is free to slide through the middle brace 29. Force from the upper assembly 22 urges the middle brace 29 downward (i.e., in the downward radial direction 42) relative to the bottom end 34 and the arms 24a-b and the footplate 26a are thus forced radially outward 44.
  • FIG. 3 A deployed embodiment of the extreme range anchor 10 of FIG. 2 is illustrated in FIG. 3 .
  • the bottom brace 28 (with the bottom end 34) has been pulled closer to the middle brace 29, and the arms 24a-b and the footplate 26a have moved radially outward 44.
  • the arms 24a-b now make a deployed angle 52 relative to the braces 28, 29, while the footplate 26a remains parallel to the pull rod 32 and, importantly, to a tubing wall 62.
  • the deployed angle 52 is generally less than the traveling angle 50 so that the extreme range anchor 10 travels down the wellbore with a smaller profile than when the anchor 10 is deployed.
  • the footplate 26a travels a distance 56 from the traveling position ( FIG. 2 ) to the deployed position ( FIG. 3 ).
  • each set or assembly 20, 22 can bite into the tubing wall 62 with the same force and timing. That is, while one footplate 26a may contact the tubing wall 62 before the other footplates 26a, the extreme range anchor 10 will center itself before any of the footplates 26a apply any pressure that will actually set the fixators 64 into the tubing wall 62.
  • the fixators 64 decrease the likelihood of slipping or shifting after deployment, and the fixators 64 can include any combination of shapes and sizes to securely bite into the tubing wall 62.
  • the illustrated embodiments include a flat cone fixator 70, a pointed cone fixator 72, and a multipoint fixator 74, as shown in FIGS. 2 and 3 .
  • FIG. 5 shows an embodiment of a footplate 26 having five fixators 64 arranged on the face 60 of the footplate 26. Included on the embodiment of FIG. 5 is a larger multipoint fixator 74 positioned in the center of the footplate 26 with several smaller flat cone fixators 70 positioned toward the corners of the footplate 26. Additionally, the footplate 26 in the embodiment illustrated in FIG. 5 includes chemical fixators 82 that may employ glue, epoxy, adhesive, or other chemicals to attach the footplate 26 to the tubing wall 62.
  • the fixator cover 84 can deform, compress, or fracture so that the fixators 64 are able to meet the inner surface 80 of the tubing wall 62.
  • the fixator cover 84 has fractured and will dissolve or fall down the wellbore.
  • the setting rod 106 can be connected at the other end to a setting tool, an electromechanical anchor, or other downhole pulling device that pulls on the setting rod 106.
  • the setting rod 106, shear stud 108, and pull rod 32 can move upward 36 in relation to the body 98.
  • the upper brace 30 can be slidably coupled to the pull rod 32, which enables the pull rod 32 to move axially upwards 36 and, thus, forces the arms 24 radially outward 44.
  • the shear stud 108 can be calibrated to shear at a given deployment force.
  • an electromechanical anchor may be calibrated or programmed to cut off power once a deployment force (e.g., smaller than the force that would deform the tubing wall 62) has been detected.
  • the extreme range anchor 10 possibly may not have a shear stud 108.
  • the deployment force is large enough to set the fixators 64 into the inner surface 80 of the tubing wall 62, but small enough so that the extreme range anchor 10 and the tubing wall 62 do not deform or otherwise suffer damage.
  • the setting tool if used
  • the setting rod 106, and any part of the shear stud 108 attached to the setting rod 106 can be retrieved back to the surface of the wellbore.
  • the electromechanical anchor used to set the extreme range anchor 10 may remain downhole until the extreme range anchor 10 is ready to be retrieved.
  • the engagement key 110 may also include an engagement spring 124 that increases the radially outward 44 force of the engagement key 110 against the ridges 112.
  • the engagement key 110 may include embodiments where the engagement spring 124 is a coil spring, or as illustrated, may include a resilient material, or an arc spring that forces the engagement key 110 toward the ridges 112.
  • FIG. 7 illustrates a cross-sectional side view of an additional or alternative lower extending assembly 130.
  • the lower extending assembly 130 includes a lower arm 132a that may attach to the lower brace 28 in a similar manner to the other lower arm 24a.
  • an upper arm 132b may attach to the middle brace 29 in a similar way as described above.
  • the lower extending assembly 130 may include embodiments that secure the anchor 10 to the wellbore without the footplate 26 described above.
  • the lower extending assembly 130 may employ a securing protrusion 134 that protrudes from the upper end 142 of the upper arm 132b.
  • the protrusion 134 includes ridges 136 that bite into the wellbore.
  • the biting of the ridges 136 secures the positioning of the anchor 10 during orientation of the subsequently anchored tools.
  • the ridges 136 may have additional or alternative size, shape, and/or pattern to the ones shown in FIG. 7 , depending on the material into which the ridges 136 will be biting. As with the fixators 64 (explained above), the size, shape, and/or pattern of the ridges 136 may penetrate deeper into the inner surface if the tubing wall 62 is highly corroded, rusted, or has loose or softened material on an inner surface 80 thereof. On the other hand, if the tubing wall 62 is made of a hard and/or polished surface, the ridges 136 may employ smaller, sharper, and/or more plentiful points.
  • the lower arm 132a and the upper arm 132b are substantially parallel to the pull rod 32, slimming the profile of the extreme range anchor 10 in a similar manner to the embodiment shown in FIG. 2 described above.
  • the protrusion 134 is in line with the arms 132a, 132b.
  • the lower arm 132a includes a recess 138 cut out of the lower arm 132a; and during transport, the protrusion 134 is located within the recess 138 to protect the ridges 136 and ensure a smooth descent of the anchor 10.
  • the flex features 144 provide some spring potential energy to build up before the shear stud 108 shears. That is, the pull rod 32 pulls the braces 28, 29 to move the arms 132a, 132b outward 44 until the protrusion 134 contacts the wellbore. Then, the upper arm 132b can flex to produce the spring potential between the wellbore and the pull rod 32. Following the flexing of the upper arm 132b, the shear stud 108 shears and the spring potential from the flexing absorbs any loss in traction caused by the shift of the engagement key 110 between ridges 112. The spring potential energy pushes the protrusion 134 against the wellbore with additional force, which increases the frictional force and thus the overall ability of the extreme range anchor 10 to remain in a fixed location.

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  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Piles And Underground Anchors (AREA)
  • Surgical Instruments (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Mechanical Control Devices (AREA)
  • Prostheses (AREA)
  • Dowels (AREA)
EP17867604.5A 2016-11-01 2017-11-01 Systems and methods for setting an extreme-range anchor within a wellbore Active EP3535474B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/340,835 US10294744B2 (en) 2012-07-24 2016-11-01 Systems and methods for setting an extreme-range anchor within a wellbore
PCT/US2017/059544 WO2018085409A1 (en) 2016-11-01 2017-11-01 Systems and methods for setting an extreme-range anchor within a wellbore

Publications (3)

Publication Number Publication Date
EP3535474A1 EP3535474A1 (en) 2019-09-11
EP3535474A4 EP3535474A4 (en) 2020-08-12
EP3535474B1 true EP3535474B1 (en) 2022-01-05

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EP17867604.5A Active EP3535474B1 (en) 2016-11-01 2017-11-01 Systems and methods for setting an extreme-range anchor within a wellbore

Country Status (10)

Country Link
EP (1) EP3535474B1 (es)
CN (1) CN110114550B (es)
AU (1) AU2017355428B2 (es)
BR (1) BR112019008782B1 (es)
CA (1) CA3042378C (es)
CO (1) CO2019005543A2 (es)
MX (1) MX2019005073A (es)
RU (1) RU2747284C2 (es)
SG (1) SG11201903905QA (es)
WO (1) WO2018085409A1 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024157103A1 (en) * 2023-01-23 2024-08-02 Acoustic Data Limited Setting tool and gauge hanger

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SU881306A1 (ru) * 1980-01-07 1981-11-15 Научно-Производственное Объединение "Геофизика" Министерства Геологии Ссср Устройство дл доставки каротажного снар да в скважину
RU2026956C1 (ru) * 1992-06-29 1995-01-20 Станислав Федорович Петров Устройство для установки металлического пластыря в обсадной колонне
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024157103A1 (en) * 2023-01-23 2024-08-02 Acoustic Data Limited Setting tool and gauge hanger

Also Published As

Publication number Publication date
CN110114550B (zh) 2021-11-16
MX2019005073A (es) 2019-10-07
EP3535474A1 (en) 2019-09-11
NZ753668A (en) 2020-10-30
CN110114550A (zh) 2019-08-09
RU2019116730A3 (es) 2021-03-04
AU2017355428A1 (en) 2019-06-06
RU2747284C2 (ru) 2021-05-04
SG11201903905QA (en) 2019-05-30
EP3535474A4 (en) 2020-08-12
WO2018085409A1 (en) 2018-05-11
RU2019116730A (ru) 2020-12-03
BR112019008782A2 (pt) 2019-07-16
BR112019008782B1 (pt) 2022-12-13
AU2017355428B2 (en) 2019-08-15
CA3042378C (en) 2019-12-17
CA3042378A1 (en) 2018-05-11
CO2019005543A2 (es) 2019-08-09

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