EP3112583A1 - Procédé et système permettant d'empêcher le glissement d'un ensemble tubulaire de puits extensible - Google Patents

Procédé et système permettant d'empêcher le glissement d'un ensemble tubulaire de puits extensible Download PDF

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Publication number
EP3112583A1
EP3112583A1 EP15174835.7A EP15174835A EP3112583A1 EP 3112583 A1 EP3112583 A1 EP 3112583A1 EP 15174835 A EP15174835 A EP 15174835A EP 3112583 A1 EP3112583 A1 EP 3112583A1
Authority
EP
European Patent Office
Prior art keywords
tubular
well
friction coefficient
coated
well tubular
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.)
Withdrawn
Application number
EP15174835.7A
Other languages
German (de)
English (en)
Inventor
ASSAAD Wissam
Hans Zijsling Djurre
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Priority to EP15174835.7A priority Critical patent/EP3112583A1/fr
Publication of EP3112583A1 publication Critical patent/EP3112583A1/fr
Withdrawn legal-status Critical Current

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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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like

Definitions

  • the invention relates to a method and system for inhibiting slip of an expandable well tubular assembly wherein an upper end of a lower well tubular is expanded within a lower end of a previously installed well tubular.
  • a well tubular is expanded by moving an expansion cone therethrough.
  • the expansion cone is connected to a drill string that is pulled up, whilst the upper end of the tubular is maintained in a fixed position within an previously installed well tubular by a radially expanded top anchor assembly.
  • the top anchor assembly When the expansion cone reaches the top anchor assembly the top anchor assembly needs to be retracted and pulled up by the expansion cone and then upward motion of partially expanded tubular needs to prevented by friction between the outer surface thereof and the inner surface of the previously installed well tubular.
  • a method for inhibiting slip in an area of overlap between lower well tubular of which an upper end is expanded against a lower end of a previously installed upper tubular comprising providing the lower well tubular with an outer surface having an upper section that is configured to be expanded against the lower end of the upper well tubular and that has a larger roughness than other parts of the outer surface.
  • the upper section of the outer surface may be roughened and/or coated with a coating having a high friction coefficient ( ⁇ o ) of at least 0.055, optionally of at least 0.1, and the lower well tubular may have an inner surface coated with a lubricating coating having a lower friction coefficient ( ⁇ i ) than the friction coefficient ( ⁇ o ) of the coating on the upper section of the outer surface and the lower well tubular may be expanded by:
  • the invention also provides a well tubular for use in the method according to the invention, the tubular being configured to be radially expanded and comprising an outer surface having an upper section that is configured to be expanded against the lower end of the another well tubular and that has a larger roughness than other parts of the outer surface.
  • the upper section of the outer surface of the well tubular may be roughened and/or coated with a coating having a high friction coefficient and the well tubular may have an inner surface which is coated with a lubricating coating having a low friction coefficient thereby providing a well tubular which is configured to be radially expanded by moving an expansion cone therethrough.
  • the inner surface of the tubular may be coated with a lubricating coating having a friction coefficient ( ⁇ i ) of at most 0.045, optionally of at most 0.025.
  • the upper section of the outer surface of the well tubular may be expanded against an inner surface of another well tubular and the tubulars may form part of a casing or liner assembly of a hydrocarbon fluid production well, which assembly may comprise:
  • Fig.1 shows how a lower well tubular 1 is expanded by moving an expansion cone 2 therethrough.
  • the expansion cone is connected to a drill string 3 that is pulled up as illustrated by arrow 4, whilst the upper end 1A of the lower tubular is maintained in a fixed position within an upper well tubular 5 by a radially expanded top anchor assembly 6.
  • such upward motion or slip is inhibited by roughening an upper section of the outer surface of the lower well tubular 1 and/or providing said upper section with a high friction coating 8 having a friction coefficient ⁇ o of at least 0.055, optionally of at least 0.1.
  • an inner surface of the lower tubular 1 is coated with a lubricating coating 7 to lubricate the longitudinal movement of the cone 2 therethrough, which lubricating coating 7 may have a friction coefficient ⁇ i of at most 0.045, optionally of at most 0.025.

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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)
  • Lining Or Joining Of Plastics Or The Like (AREA)
EP15174835.7A 2015-07-01 2015-07-01 Procédé et système permettant d'empêcher le glissement d'un ensemble tubulaire de puits extensible Withdrawn EP3112583A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15174835.7A EP3112583A1 (fr) 2015-07-01 2015-07-01 Procédé et système permettant d'empêcher le glissement d'un ensemble tubulaire de puits extensible

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15174835.7A EP3112583A1 (fr) 2015-07-01 2015-07-01 Procédé et système permettant d'empêcher le glissement d'un ensemble tubulaire de puits extensible

Publications (1)

Publication Number Publication Date
EP3112583A1 true EP3112583A1 (fr) 2017-01-04

Family

ID=53502535

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15174835.7A Withdrawn EP3112583A1 (fr) 2015-07-01 2015-07-01 Procédé et système permettant d'empêcher le glissement d'un ensemble tubulaire de puits extensible

Country Status (1)

Country Link
EP (1) EP3112583A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2345308A (en) * 1998-12-22 2000-07-05 Petroline Wellsystems Ltd Tubing hanger
WO2001033037A1 (fr) * 1999-11-01 2001-05-10 Shell Oil Company Reparation du cuvelage d'un puits de forage
US20040065445A1 (en) * 2001-05-15 2004-04-08 Abercrombie Simpson Neil Andrew Expanding tubing
GB2401890A (en) * 2003-05-20 2004-11-24 Weatherford Lamb Anchoring an expandable tubular by use of a packer
GB2403745A (en) * 2003-06-13 2005-01-12 Weatherford Lamb Method of supporting a tubular in a bore
WO2012104257A1 (fr) 2011-02-02 2012-08-09 Shell Internationale Research Maatschappij B.V. Système pour tuber un trou de puits

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2345308A (en) * 1998-12-22 2000-07-05 Petroline Wellsystems Ltd Tubing hanger
WO2001033037A1 (fr) * 1999-11-01 2001-05-10 Shell Oil Company Reparation du cuvelage d'un puits de forage
US20040065445A1 (en) * 2001-05-15 2004-04-08 Abercrombie Simpson Neil Andrew Expanding tubing
GB2401890A (en) * 2003-05-20 2004-11-24 Weatherford Lamb Anchoring an expandable tubular by use of a packer
GB2403745A (en) * 2003-06-13 2005-01-12 Weatherford Lamb Method of supporting a tubular in a bore
WO2012104257A1 (fr) 2011-02-02 2012-08-09 Shell Internationale Research Maatschappij B.V. Système pour tuber un trou de puits

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