GB2351107A - A method of stimulating an oil/gas well and equipment for use therein - Google Patents

A method of stimulating an oil/gas well and equipment for use therein

Info

Publication number
GB2351107A
GB2351107A GB0021772A GB0021772A GB2351107A GB 2351107 A GB2351107 A GB 2351107A GB 0021772 A GB0021772 A GB 0021772A GB 0021772 A GB0021772 A GB 0021772A GB 2351107 A GB2351107 A GB 2351107A
Authority
GB
United Kingdom
Prior art keywords
liquid
bore hole
stimulating
oil
gas well
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
GB0021772A
Other versions
GB2351107B (en
GB0021772D0 (en
Inventor
Philip Wodka
Michael J Pitts
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.)
Total E&P Danmark AS
Original Assignee
Maersk Olie og Gas AS
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 Maersk Olie og Gas AS filed Critical Maersk Olie og Gas AS
Publication of GB0021772D0 publication Critical patent/GB0021772D0/en
Publication of GB2351107A publication Critical patent/GB2351107A/en
Application granted granted Critical
Publication of GB2351107B publication Critical patent/GB2351107B/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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • E21B37/08—Methods or apparatus for cleaning boreholes or wells cleaning in situ of down-hole filters, screens, e.g. casing perforations, or gravel packs
    • 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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Measuring Fluid Pressure (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Earth Drilling (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

The invention relates to a method of stimulating an oil/gas well, wherein liquid is ejected under pressure at production formation, and wherein material flushed loose by hydraulic impact is discharged from the bore hole. The density of the ejected liquid and the counter-pressure exerted on the surface are in this context preferably determined to ensure that the material flushed loose can be conveyed exactly to the bore hole opening at the surface. The invention further relates to an apparatus for exercising the method, wherein this apparatus comprises a nozzle head (2); a pipe string (1) for the supply of liquid to the nozzle head; and means (7) for the supply of pressurised liquid to the pipe string (1). Advantageously means (8) are provided for exerting a counter-pressure on the liquid flowing out of the bore hole.
GB0021772A 1998-03-20 1999-03-19 A method of stimulating an oil/gas well Expired - Lifetime GB2351107B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK40698A DK177747B1 (en) 1998-03-20 1998-03-20 Method for stimulation of an oil / gas well and equipment for use therewith
PCT/DK1999/000145 WO1999049181A1 (en) 1998-03-20 1999-03-19 A method of stimulating an oil/gas well and equipment for use therein

Publications (3)

Publication Number Publication Date
GB0021772D0 GB0021772D0 (en) 2000-10-18
GB2351107A true GB2351107A (en) 2000-12-20
GB2351107B GB2351107B (en) 2002-07-31

Family

ID=8093166

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0021772A Expired - Lifetime GB2351107B (en) 1998-03-20 1999-03-19 A method of stimulating an oil/gas well

Country Status (6)

Country Link
AU (1) AU2826299A (en)
DK (1) DK177747B1 (en)
EA (1) EA002960B1 (en)
GB (1) GB2351107B (en)
NO (1) NO320834B1 (en)
WO (1) WO1999049181A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6607607B2 (en) 2000-04-28 2003-08-19 Bj Services Company Coiled tubing wellbore cleanout
CN103696720B (en) * 2013-12-26 2016-05-18 中国海洋石油总公司 A kind of composite blockage relieving method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060130A (en) * 1976-06-28 1977-11-29 Texaco Trinidad, Inc. Cleanout procedure for well with low bottom hole pressure
US4441557A (en) * 1980-10-07 1984-04-10 Downhole Services, Inc. Method and device for hydraulic jet well cleaning
US4799554A (en) * 1987-04-10 1989-01-24 Otis Engineering Corporation Pressure actuated cleaning tool
SE507276C2 (en) * 1991-12-28 1998-05-04 Efimkin Alexei A Method and apparatus for resuming circulation of drilling mud in wells

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5526877A (en) * 1995-01-05 1996-06-18 Winz; Frank S. Oil well head cleaning system
US5603378A (en) * 1995-11-02 1997-02-18 Alford; George Well cleaning tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060130A (en) * 1976-06-28 1977-11-29 Texaco Trinidad, Inc. Cleanout procedure for well with low bottom hole pressure
US4441557A (en) * 1980-10-07 1984-04-10 Downhole Services, Inc. Method and device for hydraulic jet well cleaning
US4799554A (en) * 1987-04-10 1989-01-24 Otis Engineering Corporation Pressure actuated cleaning tool
SE507276C2 (en) * 1991-12-28 1998-05-04 Efimkin Alexei A Method and apparatus for resuming circulation of drilling mud in wells

Also Published As

Publication number Publication date
GB2351107B (en) 2002-07-31
GB0021772D0 (en) 2000-10-18
DK177747B1 (en) 2014-05-26
WO1999049181A1 (en) 1999-09-30
NO20004611L (en) 2000-09-15
NO320834B1 (en) 2006-01-30
AU2826299A (en) 1999-10-18
NO20004611D0 (en) 2000-09-15
DK40698A (en) 1999-09-21
EA200000971A1 (en) 2001-02-26
EA002960B1 (en) 2002-12-26

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Legal Events

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

Expiry date: 20190318