GB2342669B - Dual purpose borehole sub - Google Patents

Dual purpose borehole sub

Info

Publication number
GB2342669B
GB2342669B GB9922444A GB9922444A GB2342669B GB 2342669 B GB2342669 B GB 2342669B GB 9922444 A GB9922444 A GB 9922444A GB 9922444 A GB9922444 A GB 9922444A GB 2342669 B GB2342669 B GB 2342669B
Authority
GB
United Kingdom
Prior art keywords
dual purpose
sub
borehole sub
purpose borehole
dual
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
GB9922444A
Other versions
GB2342669A (en
GB9922444D0 (en
Inventor
Mark Buyers
Simon Benedict Fraser
David Forsyth
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.)
Omega Completion Technology Ltd
Original Assignee
Omega Completion Technology Ltd
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 Omega Completion Technology Ltd filed Critical Omega Completion Technology Ltd
Publication of GB9922444D0 publication Critical patent/GB9922444D0/en
Publication of GB2342669A publication Critical patent/GB2342669A/en
Application granted granted Critical
Publication of GB2342669B publication Critical patent/GB2342669B/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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/06—Measuring temperature or pressure
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • 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
    • E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing or limiting, e.g. eliminating, the deposition of paraffins or like substances
    • 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
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/02—Equipment or details not covered by groups E21B15/00 - E21B40/00 in situ inhibition of corrosion in boreholes or wells

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
GB9922444A 1998-10-06 1999-09-23 Dual purpose borehole sub Expired - Lifetime GB2342669B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9821632.8A GB9821632D0 (en) 1998-10-06 1998-10-06 Dual purpose borehole sub

Publications (3)

Publication Number Publication Date
GB9922444D0 GB9922444D0 (en) 1999-11-24
GB2342669A GB2342669A (en) 2000-04-19
GB2342669B true GB2342669B (en) 2003-03-05

Family

ID=10839983

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9821632.8A Ceased GB9821632D0 (en) 1998-10-06 1998-10-06 Dual purpose borehole sub
GB9922444A Expired - Lifetime GB2342669B (en) 1998-10-06 1999-09-23 Dual purpose borehole sub

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9821632.8A Ceased GB9821632D0 (en) 1998-10-06 1998-10-06 Dual purpose borehole sub

Country Status (1)

Country Link
GB (2) GB9821632D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9650884B2 (en) 2013-09-20 2017-05-16 Weatherford Technology Holdings, Llc Use of downhole isolation valve to sense annulus pressure
US10787900B2 (en) 2013-11-26 2020-09-29 Weatherford Technology Holdings, Llc Differential pressure indicator for downhole isolation valve
CN114198055B (en) * 2020-09-02 2023-07-28 中国海洋石油集团有限公司 Sampling injection switching valve and sampling injection method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895527A (en) * 1973-11-08 1975-07-22 Sperry Sun Well Surveying Co Method and apparatus for measuring pressure related parameters in a borehole
US4505155A (en) * 1981-07-13 1985-03-19 Sperry-Sun, Inc. Borehole pressure measuring system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895527A (en) * 1973-11-08 1975-07-22 Sperry Sun Well Surveying Co Method and apparatus for measuring pressure related parameters in a borehole
US4505155A (en) * 1981-07-13 1985-03-19 Sperry-Sun, Inc. Borehole pressure measuring system

Also Published As

Publication number Publication date
GB2342669A (en) 2000-04-19
GB9922444D0 (en) 1999-11-24
GB9821632D0 (en) 1998-11-25

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20171207 AND 20171213

PE20 Patent expired after termination of 20 years

Expiry date: 20190922