GB2262556A - A core sampling device with indicator for jammed core - Google Patents

A core sampling device with indicator for jammed core

Info

Publication number
GB2262556A
GB2262556A GB9301637A GB9301637A GB2262556A GB 2262556 A GB2262556 A GB 2262556A GB 9301637 A GB9301637 A GB 9301637A GB 9301637 A GB9301637 A GB 9301637A GB 2262556 A GB2262556 A GB 2262556A
Authority
GB
United Kingdom
Prior art keywords
core
indicator
jammed
sampling device
sample
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.)
Withdrawn
Application number
GB9301637A
Other versions
GB9301637D0 (en
Inventor
Per Erik Bjorn Arn
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.)
Corpro Systems Ltd
Original Assignee
Corpro Systems 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
Priority claimed from GB909016624A external-priority patent/GB9016624D0/en
Application filed by Corpro Systems Ltd filed Critical Corpro Systems Ltd
Priority to GB9301637A priority Critical patent/GB2262556A/en
Publication of GB9301637D0 publication Critical patent/GB9301637D0/en
Publication of GB2262556A publication Critical patent/GB2262556A/en
Withdrawn legal-status Critical Current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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom 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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Mechanical Engineering (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

There is described core sampling apparatus including means for sensing pressure changes within the apparatus to alert when a core sample has become jammed within the device. Sample-taking adjustment means is also provided in the device.
GB9301637A 1990-07-28 1993-01-27 A core sampling device with indicator for jammed core Withdrawn GB2262556A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9301637A GB2262556A (en) 1990-07-28 1993-01-27 A core sampling device with indicator for jammed core

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB909016624A GB9016624D0 (en) 1990-07-28 1990-07-28 A sampling device
PCT/GB1991/001254 WO1992002707A2 (en) 1990-07-28 1991-07-25 A core sampling device with indicator for jammed core
GB9301637A GB2262556A (en) 1990-07-28 1993-01-27 A core sampling device with indicator for jammed core

Publications (2)

Publication Number Publication Date
GB9301637D0 GB9301637D0 (en) 1993-04-21
GB2262556A true GB2262556A (en) 1993-06-23

Family

ID=26297398

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9301637A Withdrawn GB2262556A (en) 1990-07-28 1993-01-27 A core sampling device with indicator for jammed core

Country Status (1)

Country Link
GB (1) GB2262556A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3225845A (en) * 1961-02-17 1965-12-28 Joy Mfg Co Core barrel assembly
EP0050104A2 (en) * 1980-10-10 1982-04-21 Craelius AB A device in core barrels
DD158336A3 (en) * 1980-02-07 1983-01-12 Eckhard Verseck CORE COMPRESSION FITTINGS

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3225845A (en) * 1961-02-17 1965-12-28 Joy Mfg Co Core barrel assembly
DD158336A3 (en) * 1980-02-07 1983-01-12 Eckhard Verseck CORE COMPRESSION FITTINGS
EP0050104A2 (en) * 1980-10-10 1982-04-21 Craelius AB A device in core barrels

Also Published As

Publication number Publication date
GB9301637D0 (en) 1993-04-21

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)