GB1191548A - Core Barrel Inner Assembly for Geological Testing and Exploration. - Google Patents

Core Barrel Inner Assembly for Geological Testing and Exploration.

Info

Publication number
GB1191548A
GB1191548A GB57600/68A GB5760068A GB1191548A GB 1191548 A GB1191548 A GB 1191548A GB 57600/68 A GB57600/68 A GB 57600/68A GB 5760068 A GB5760068 A GB 5760068A GB 1191548 A GB1191548 A GB 1191548A
Authority
GB
United Kingdom
Prior art keywords
spindle
barrel
casing
drill
core
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
GB57600/68A
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.)
MINDRILL Ltd
Original Assignee
MINDRILL 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 MINDRILL Ltd filed Critical MINDRILL Ltd
Publication of GB1191548A publication Critical patent/GB1191548A/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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)

Abstract

1,191,548. Boring earth &c. MINDRILL Ltd. 4 Dec., 1968 [6 Dec., 1967], No. 57600/68. Heading E1F. A core drill has a core barrel 26 rotatably mounted on a spindle 13, 14 slidable within a casing 12, upward movement of the spindle and barrel relative the casing 12 being prevented during lowering of the drill in the borehole so that movement of the barrel does not expose the core lifter (not shown). During lowering of the drill, balls 36 carried by the spindle engage shoulder 43 in the casing to prevent the upward movement. Drilling fluid supplied to the spindle moves a piston 28 downwardly to free the balls and permit the upward movement of the barrel, openings 42, 44 tying aligned so that the fluid passes to the bit (not shown).
GB57600/68A 1967-12-06 1968-12-04 Core Barrel Inner Assembly for Geological Testing and Exploration. Expired GB1191548A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU30828/67A AU422789B2 (en) 1967-12-06 1967-12-06 Improved core drill

Publications (1)

Publication Number Publication Date
GB1191548A true GB1191548A (en) 1970-05-13

Family

ID=3718673

Family Applications (1)

Application Number Title Priority Date Filing Date
GB57600/68A Expired GB1191548A (en) 1967-12-06 1968-12-04 Core Barrel Inner Assembly for Geological Testing and Exploration.

Country Status (3)

Country Link
US (1) US3724568A (en)
AU (1) AU422789B2 (en)
GB (1) GB1191548A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0134586A1 (en) * 1983-09-09 1985-03-20 Eastman Christensen Company Hydraulic lift inner barrel in a drill string coring tool

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4494615A (en) * 1981-10-23 1985-01-22 Mustang Tripsaver, Inc. Jarring tool
US4664205A (en) * 1985-04-11 1987-05-12 Norton Christensen, Inc. Hydraulic inner barrel in a drill string coring tool
BE1000529A4 (en) * 1987-05-13 1989-01-17 Diamant Boart Sa Device control lock core survey.
AU738367B3 (en) * 2001-05-23 2001-09-13 Industrial Innovations & Concepts Pty Ltd Inner core barrel head assembly
CA2784195C (en) 2011-08-01 2014-08-05 Groupe Fordia Inc. Core barrel assembly including a valve

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126064A (en) * 1964-03-24 miller
US2220554A (en) * 1936-02-08 1940-11-05 Shell Dev Device for recovering cores from boreholes
US2330155A (en) * 1942-05-11 1943-09-21 Reed Roller Bit Co Coring apparatus
US2682388A (en) * 1953-02-13 1954-06-29 Winter Weiss Co Drill for forming solidified core piles
US2978032A (en) * 1957-07-26 1961-04-04 Robert P Hanna Whip stock locking and releasing apparatus
US3225845A (en) * 1961-02-17 1965-12-28 Joy Mfg Co Core barrel assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0134586A1 (en) * 1983-09-09 1985-03-20 Eastman Christensen Company Hydraulic lift inner barrel in a drill string coring tool

Also Published As

Publication number Publication date
US3724568A (en) 1973-04-03
AU3082867A (en) 1970-06-11
AU422789B2 (en) 1972-03-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees