GB2354546B - Method for disengaging a structure - Google Patents

Method for disengaging a structure

Info

Publication number
GB2354546B
GB2354546B GB0100157A GB0100157A GB2354546B GB 2354546 B GB2354546 B GB 2354546B GB 0100157 A GB0100157 A GB 0100157A GB 0100157 A GB0100157 A GB 0100157A GB 2354546 B GB2354546 B GB 2354546B
Authority
GB
United Kingdom
Prior art keywords
disengaging
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.)
Expired - Lifetime
Application number
GB0100157A
Other versions
GB0100157D0 (en
GB2354546A (en
Inventor
Gerald David Lynde
Gregory R Nazzal
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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes Inc
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 Baker Hughes Inc filed Critical Baker Hughes Inc
Priority claimed from GB9806245A external-priority patent/GB2322888B/en
Publication of GB0100157D0 publication Critical patent/GB0100157D0/en
Publication of GB2354546A publication Critical patent/GB2354546A/en
Application granted granted Critical
Publication of GB2354546B publication Critical patent/GB2354546B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • E21B43/11—Perforators; Permeators
    • E21B43/114—Perforators using direct fluid action on the wall to be perforated, e.g. abrasive jets
    • 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
    • E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • 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
    • E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/06—Cutting windows, e.g. directional window cutters for whipstock operations

Landscapes

  • 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)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
GB0100157A 1996-08-20 1997-08-20 Method for disengaging a structure Expired - Lifetime GB2354546B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US2645696P 1996-08-20 1996-08-20
US4083396P 1996-10-25 1996-10-25
GB9806245A GB2322888B (en) 1996-08-20 1997-08-20 System for cutting materials in wellbores

Publications (3)

Publication Number Publication Date
GB0100157D0 GB0100157D0 (en) 2001-02-14
GB2354546A GB2354546A (en) 2001-03-28
GB2354546B true GB2354546B (en) 2001-05-09

Family

ID=27269258

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0100157A Expired - Lifetime GB2354546B (en) 1996-08-20 1997-08-20 Method for disengaging a structure

Country Status (1)

Country Link
GB (1) GB2354546B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO339945B1 (en) * 2014-07-10 2017-02-20 Vetco Gray Scandinavia As Release of clamping connection by water cutting of drive screw

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4900198A (en) * 1987-12-01 1990-02-13 Seisan Gijutsu Center Co., Ltd. Method and apparatus for removing old pile
GB2288350A (en) * 1994-04-15 1995-10-18 Stolt Comex Seaway Rotary abrasive jet cutting tool for radial cutting of submerged metal pipewor k uses inflatable rings for immobilizing inside pipework

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4900198A (en) * 1987-12-01 1990-02-13 Seisan Gijutsu Center Co., Ltd. Method and apparatus for removing old pile
GB2288350A (en) * 1994-04-15 1995-10-18 Stolt Comex Seaway Rotary abrasive jet cutting tool for radial cutting of submerged metal pipewor k uses inflatable rings for immobilizing inside pipework

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
BARRETT. UNDERWATER INTERVENTION 93 CONF. 18-21 JAN. 93 NEW ORLEANS PP. 156-163 *
DOMANN ET AL. JET CUTTING PROCEEDINGS OF THE 10TH INT. CONF.AMSTERDAM 1990. PP489-498. *
LOUIS ET AL. 1ST MED. OIL & GAS EX. & CONF. 28-31 JAN 92 DAY 4. *

Also Published As

Publication number Publication date
GB0100157D0 (en) 2001-02-14
GB2354546A (en) 2001-03-28

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20170819