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CA2233322A1 - System for cutting materials in wellbores - Google Patents

System for cutting materials in wellbores

Info

Publication number
CA2233322A1
CA2233322A1 CA002233322A CA2233322A CA2233322A1 CA 2233322 A1 CA2233322 A1 CA 2233322A1 CA 002233322 A CA002233322 A CA 002233322A CA 2233322 A CA2233322 A CA 2233322A CA 2233322 A1 CA2233322 A1 CA 2233322A1
Authority
CA
Canada
Prior art keywords
cutting
cutting tool
support members
tool
utilized
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.)
Granted
Application number
CA002233322A
Other languages
French (fr)
Other versions
CA2233322C (en
Inventor
Gerald D. Lynde
Greg 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
Individual
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 Individual filed Critical Individual
Publication of CA2233322A1 publication Critical patent/CA2233322A1/en
Application granted granted Critical
Publication of CA2233322C publication Critical patent/CA2233322C/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
    • 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
    • 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
    • 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

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
  • Lubricants (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The present invention provides a downhole cutting tool (20) for cutting materials at a worksite in a wellbore (22). The cutting tool includes a cutting end (32) that is adapted to discharge a high pressure fluid therefrom. A power unit (34) in the tool includes a plurality of serially arranged pressure stages, wherein each such stage increases the fluid pressure above its preceding stage. The high pressure fluid is discharged through the cutting end as a jet stream. A pulsar (35) in the tool is provided to pulse the fluid before it is discharged through the cutting end. A control unit (36) controls the position and orientation of the cutting end relative to the material. The downhole cutting tool can be programmed to cut materials according to predetermined patterns. The cutting tool may be utilized to cut support members of offshore structures, either from the inside or the outside of such support members.
In a preferred method, the cutting tool is utilized to remove the earthen material from around the embedded support members and then to cut the support members below the sea bed. The cutting tool may be utilized in cutting nested pipes after pulling a selected length of such nested pipes from the wellbore.
CA002233322A 1996-08-20 1997-08-20 System for cutting materials in wellbores Expired - Lifetime CA2233322C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US2645696P 1996-08-20 1996-08-20
US60/026,456 1996-08-20
US4088396P 1996-10-25 1996-10-25
US60/040,883 1996-10-25
PCT/US1997/014654 WO1998007955A2 (en) 1996-08-20 1997-08-20 System for cutting materials in wellbores

Publications (2)

Publication Number Publication Date
CA2233322A1 true CA2233322A1 (en) 1998-02-26
CA2233322C CA2233322C (en) 2004-11-09

Family

ID=26701273

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002233322A Expired - Lifetime CA2233322C (en) 1996-08-20 1997-08-20 System for cutting materials in wellbores

Country Status (5)

Country Link
AU (1) AU731454B2 (en)
CA (1) CA2233322C (en)
GB (1) GB2322888B (en)
NO (2) NO314096B1 (en)
WO (1) WO1998007955A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001241585B2 (en) * 2000-02-16 2006-06-01 Horizontal Expansion Tech , LLC Horizontal directional drilling in wells
US6286599B1 (en) * 2000-03-10 2001-09-11 Halliburton Energy Services, Inc. Method and apparatus for lateral casing window cutting using hydrajetting
US6564868B1 (en) * 2000-10-16 2003-05-20 Cudd Pressure Control, Inc. Cutting tool and method for cutting tubular member
US8973651B2 (en) 2011-06-16 2015-03-10 Baker Hughes Incorporated Modular anchoring sub for use with a cutting tool
NO333912B1 (en) * 2011-11-15 2013-10-21 Leif Invest As Apparatus and method for cutting and drawing feed pipes
US11492862B2 (en) 2020-09-02 2022-11-08 Saudi Arabian Oil Company Cutting pipes in wellbores using downhole autonomous cutting tools
US11624265B1 (en) 2021-11-12 2023-04-11 Saudi Arabian Oil Company Cutting pipes in wellbores using downhole autonomous jet cutting tools

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3081828A (en) * 1960-07-05 1963-03-19 Thomas E Quick Method and apparatus for producing cuts within a bore hole
US4550781A (en) * 1984-06-06 1985-11-05 A-Z International Tool Company Method of and apparatus for cutting and recovering of submarine surface casing
US4690622A (en) * 1985-09-16 1987-09-01 Ingersoll-Rand Company Liquid intensifier unit
EP0319204B1 (en) * 1987-12-01 1992-09-16 Seisan Gijutsu Center Co., Ltd. Method and apparatus for removing old piles
US5381631A (en) * 1993-04-15 1995-01-17 Flow International Corporation Method and apparatus for cutting metal casings with an ultrahigh-pressure abrasive fluid jet
FR2718665B1 (en) * 1994-04-15 1996-07-12 Stolt Comex Seaway Abrasive jet immersed pipe cutting tool.

Also Published As

Publication number Publication date
WO1998007955A2 (en) 1998-02-26
NO981735L (en) 1998-06-16
NO20005475D0 (en) 2000-10-31
NO314096B1 (en) 2003-01-27
AU731454B2 (en) 2001-03-29
NO322952B1 (en) 2006-12-18
GB9806245D0 (en) 1998-05-20
CA2233322C (en) 2004-11-09
NO981735D0 (en) 1998-04-17
AU4077997A (en) 1998-03-06
NO20005475L (en) 1998-06-16
GB2322888A (en) 1998-09-09
GB2322888B (en) 2001-05-09
WO1998007955A3 (en) 1998-05-07

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Legal Events

Date Code Title Description
EEER Examination request