GB2187774B - Core-drilling tool - Google Patents

Core-drilling tool

Info

Publication number
GB2187774B
GB2187774B GB8705653A GB8705653A GB2187774B GB 2187774 B GB2187774 B GB 2187774B GB 8705653 A GB8705653 A GB 8705653A GB 8705653 A GB8705653 A GB 8705653A GB 2187774 B GB2187774 B GB 2187774B
Authority
GB
United Kingdom
Prior art keywords
core
drilling tool
drilling
tool
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
Application number
GB8705653A
Other versions
GB2187774A (en
GB8705653D0 (en
Inventor
Philippe Gueroult
Franck Weyland
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.)
Soletanche SA
Original Assignee
Soletanche SA
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 Soletanche SA filed Critical Soletanche SA
Publication of GB8705653D0 publication Critical patent/GB8705653D0/en
Publication of GB2187774A publication Critical patent/GB2187774A/en
Application granted granted Critical
Publication of GB2187774B publication Critical patent/GB2187774B/en
Expired 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
    • E21B10/00—Drill bits
    • E21B10/02—Core bits
    • 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
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
    • 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
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/605—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a core-bit

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
GB8705653A 1986-03-11 1987-03-10 Core-drilling tool Expired GB2187774B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8603442A FR2595751B1 (en) 1986-03-11 1986-03-11 CORING TOOL, ESPECIALLY FOR AIR CORING

Publications (3)

Publication Number Publication Date
GB8705653D0 GB8705653D0 (en) 1987-04-15
GB2187774A GB2187774A (en) 1987-09-16
GB2187774B true GB2187774B (en) 1989-11-15

Family

ID=9332996

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8705653A Expired GB2187774B (en) 1986-03-11 1987-03-10 Core-drilling tool

Country Status (2)

Country Link
FR (1) FR2595751B1 (en)
GB (1) GB2187774B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104596790A (en) * 2015-01-09 2015-05-06 山东科技大学 Dry core-taking device and core-taking method for soft rock

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0456994A1 (en) * 1990-05-15 1991-11-21 Willi Wader Gmbh Drill shaft for boring the taphole of a blast furnace
US7984773B2 (en) * 2008-05-13 2011-07-26 Longyear Tm, Inc. Sonic drill bit for core sampling
US11255128B2 (en) 2020-01-23 2022-02-22 Saudi Arabian Oil Company Drilling boreholes with a hybrid bit
CN114183079A (en) * 2021-11-15 2022-03-15 河南黄河旋风股份有限公司 Drill barrel with water adding and slag discharging functions

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB715905A (en) * 1951-12-13 1954-09-22 Frank Walmsley Improvements relating to core drills

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1752388A (en) * 1926-07-28 1930-04-01 Standard Oil Co Core drill and bit
US2013348A (en) * 1933-01-04 1935-09-03 Globe Oil Tools Co Bit head
US3220497A (en) * 1963-08-26 1965-11-30 Christensen Diamond Prod Co Rotary drag bit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB715905A (en) * 1951-12-13 1954-09-22 Frank Walmsley Improvements relating to core drills

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104596790A (en) * 2015-01-09 2015-05-06 山东科技大学 Dry core-taking device and core-taking method for soft rock
CN104596790B (en) * 2015-01-09 2017-01-25 山东科技大学 Dry core-taking device and core-taking method for soft rock

Also Published As

Publication number Publication date
FR2595751A1 (en) 1987-09-18
FR2595751B1 (en) 1988-08-19
GB2187774A (en) 1987-09-16
GB8705653D0 (en) 1987-04-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930310