DK0774039T3 - Apparatus and method for producing a slit in an underground formation - Google Patents

Apparatus and method for producing a slit in an underground formation

Info

Publication number
DK0774039T3
DK0774039T3 DK95929072T DK95929072T DK0774039T3 DK 0774039 T3 DK0774039 T3 DK 0774039T3 DK 95929072 T DK95929072 T DK 95929072T DK 95929072 T DK95929072 T DK 95929072T DK 0774039 T3 DK0774039 T3 DK 0774039T3
Authority
DK
Denmark
Prior art keywords
slit
producing
underground formation
underground
formation
Prior art date
Application number
DK95929072T
Other languages
Danish (da)
Inventor
Reynolds Ross Brent
Nicholas Worrall Robert
Brent Reynolds Ross
Robert Nicholas Worrall
Original Assignee
Shell Int Research
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 Int Research filed Critical Shell Int Research
Application granted granted Critical
Publication of DK0774039T3 publication Critical patent/DK0774039T3/en

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
    • 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
    • E21B11/00—Other drilling tools
    • E21B11/06—Other drilling tools with driven cutting chains or similarly driven tools

Landscapes

  • 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)
  • Earth Drilling (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Small-Scale Networks (AREA)
DK95929072T 1994-08-02 1995-08-01 Apparatus and method for producing a slit in an underground formation DK0774039T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP94202239 1994-08-02
PCT/EP1995/003091 WO1996004457A1 (en) 1994-08-02 1995-08-01 Device and method for making a slot in an underground formation

Publications (1)

Publication Number Publication Date
DK0774039T3 true DK0774039T3 (en) 1999-04-12

Family

ID=8217086

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95929072T DK0774039T3 (en) 1994-08-02 1995-08-01 Apparatus and method for producing a slit in an underground formation

Country Status (12)

Country Link
EP (1) EP0774039B1 (en)
CN (1) CN1052292C (en)
AU (1) AU682280B2 (en)
BR (1) BR9508463A (en)
CO (1) CO4440615A1 (en)
DE (1) DE69503251T2 (en)
DK (1) DK0774039T3 (en)
NO (1) NO312421B1 (en)
NZ (1) NZ291437A (en)
OA (1) OA10398A (en)
RU (1) RU2137912C1 (en)
WO (1) WO1996004457A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9522688D0 (en) * 1995-11-06 1996-01-10 Red Baron Oil Tools Rental Apparatus for forming a slot in a wellbore
GB0226725D0 (en) * 2002-11-15 2002-12-24 Bp Exploration Operating method
CN101240697B (en) * 2008-03-13 2010-12-01 上海交通大学 Minisize down-hole lateral wall annular recess cutting implement
RU2464411C2 (en) * 2010-11-09 2012-10-20 Михаил Павлович Сергиенко Method of exposing productive beds and device to this end
GB201100975D0 (en) * 2011-01-20 2011-03-09 Lee Paul B Downhole tools
US9371698B2 (en) 2013-11-06 2016-06-21 Bernard Compton Chung Subsurface formation cutter
CA2955228C (en) 2014-07-14 2021-02-02 Aarbakke Innovation A.S. Wellbore intervention tool for penetrating obstructions in a wellbore
CN104775813B (en) * 2015-03-26 2017-06-27 天地科技股份有限公司 Longitudinal groover in a kind of retractable hole
NO341205B1 (en) * 2015-05-19 2017-09-11 Sintef Tto As Milling tool with self driven active side cutters
CN105952380B (en) * 2016-06-17 2018-06-29 四川众基精锚工程技术有限公司 A kind of mould broaching equipment and its expanding method
EA034113B1 (en) * 2018-01-15 2019-12-27 Общество С Ограниченной Ответственностью "Научная Компания "Луч" Working element of perforating device
CN108954881B (en) * 2018-07-27 2020-05-19 贵州省智慧能源股份有限公司 Deep geothermal well slotting device and method
RU2751046C1 (en) * 2020-11-18 2021-07-07 Акционерное общество "Азимут" (АО "Азимут") Hydromechanical slit puncher

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1406351A (en) * 1920-09-04 1922-02-14 Clyde S Corrigan Control bracket gear for deep-well-enlarging and cistern-making machines
US2178554A (en) * 1938-01-26 1939-11-07 Clifford P Bowie Well slotter
GB842549A (en) * 1959-03-20 1960-07-27 Ramsey Smith Deep well chain saw

Also Published As

Publication number Publication date
CN1052292C (en) 2000-05-10
NZ291437A (en) 1998-08-26
AU3256795A (en) 1996-03-04
WO1996004457A1 (en) 1996-02-15
NO312421B1 (en) 2002-05-06
AU682280B2 (en) 1997-09-25
CN1154731A (en) 1997-07-16
DE69503251T2 (en) 1998-11-12
OA10398A (en) 2001-12-04
NO970400L (en) 1997-01-30
DE69503251D1 (en) 1998-08-06
RU2137912C1 (en) 1999-09-20
NO970400D0 (en) 1997-01-30
BR9508463A (en) 1997-12-30
EP0774039B1 (en) 1998-07-01
EP0774039A1 (en) 1997-05-21
CO4440615A1 (en) 1997-05-07

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