GB973790A - Drill assembly - Google Patents

Drill assembly

Info

Publication number
GB973790A
GB973790A GB26226/63A GB2622663A GB973790A GB 973790 A GB973790 A GB 973790A GB 26226/63 A GB26226/63 A GB 26226/63A GB 2622663 A GB2622663 A GB 2622663A GB 973790 A GB973790 A GB 973790A
Authority
GB
United Kingdom
Prior art keywords
head
cutters
july
passage
drill assembly
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
GB26226/63A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB973790A publication Critical patent/GB973790A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools

Abstract

973,790. Boring earth &c. J. LABROSSE. July 2, 1963 [July 17, 1962], No. 26226/63. Heading E1F. A drill head comprising a body 37 has cutters 43 movable in grooves 39, the arrangement permitting the cutters to be retracted radially during removal of the head from a hole. Flushing liquid is supplied to the head by a passage 62 in a connector 38, the passage through the head being controlled by a non- return valve 60, 61.
GB26226/63A 1962-07-17 1963-07-02 Drill assembly Expired GB973790A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA853910 1962-07-17

Publications (1)

Publication Number Publication Date
GB973790A true GB973790A (en) 1964-10-28

Family

ID=4141519

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26226/63A Expired GB973790A (en) 1962-07-17 1963-07-02 Drill assembly

Country Status (2)

Country Link
FR (1) FR1363623A (en)
GB (1) GB973790A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2839868A1 (en) * 1977-09-30 1979-04-05 Anton Broder DRILL BIT
DE2921696A1 (en) * 1977-05-26 1980-12-11 Schaefers Geb Meyer Hanna Rotary drilling tool for widening holes - has cutter carrier end attached to support ring on axially movable shaft
DE3423789A1 (en) * 1984-06-28 1986-01-09 Markmann & Moll GmbH & Co KG, 4300 Essen Drilling device for rock boreholes
GB2275067A (en) * 1993-02-12 1994-08-17 Baker Hughes Inc Expandable gauge bit for drilling
GB2294715A (en) * 1994-11-07 1996-05-08 Baker Hughes Inc Rotary drill bit
GB2310229A (en) * 1996-02-13 1997-08-20 Tone Kk A radially extendable bit
WO2004046496A1 (en) * 2002-11-18 2004-06-03 Teijo Hulkkonen Bit assembly for a hammering drill
CN102213079A (en) * 2011-05-24 2011-10-12 苏州新锐工程工具有限公司 Mine drill bit
WO2015059347A1 (en) 2013-10-22 2015-04-30 Oy Atlas Copco Rotex Ab Drilling device
DE102005046495B4 (en) * 2005-09-29 2015-07-30 Minova International Ltd. Drilling device for creating cased boreholes
CN105781421A (en) * 2014-12-26 2016-07-20 中石化胜利石油工程有限公司钻井工艺研究院 Sleeve rotary and circular running tool

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2921696A1 (en) * 1977-05-26 1980-12-11 Schaefers Geb Meyer Hanna Rotary drilling tool for widening holes - has cutter carrier end attached to support ring on axially movable shaft
DE2839868A1 (en) * 1977-09-30 1979-04-05 Anton Broder DRILL BIT
DE3423789A1 (en) * 1984-06-28 1986-01-09 Markmann & Moll GmbH & Co KG, 4300 Essen Drilling device for rock boreholes
GB2275067A (en) * 1993-02-12 1994-08-17 Baker Hughes Inc Expandable gauge bit for drilling
US5361859A (en) * 1993-02-12 1994-11-08 Baker Hughes Incorporated Expandable gage bit for drilling and method of drilling
GB2275067B (en) * 1993-02-12 1997-05-21 Baker Hughes Inc Expandable gage bit for drilling
GB2294715A (en) * 1994-11-07 1996-05-08 Baker Hughes Inc Rotary drill bit
GB2310229B (en) * 1996-02-13 1998-09-23 Tone Kk Extendable bit
GB2310229A (en) * 1996-02-13 1997-08-20 Tone Kk A radially extendable bit
US5881827A (en) * 1996-02-13 1999-03-16 Tone Corporation Extendable bit
WO2004046496A1 (en) * 2002-11-18 2004-06-03 Teijo Hulkkonen Bit assembly for a hammering drill
US7124843B2 (en) 2002-11-18 2006-10-24 Teijo Hulkkonen Bit assembly for a hammering drill
CN100510309C (en) * 2002-11-18 2009-07-08 泰约·胡尔科宁 Bit assembly for a hammering drill
DE102005046495B4 (en) * 2005-09-29 2015-07-30 Minova International Ltd. Drilling device for creating cased boreholes
CN102213079A (en) * 2011-05-24 2011-10-12 苏州新锐工程工具有限公司 Mine drill bit
WO2015059347A1 (en) 2013-10-22 2015-04-30 Oy Atlas Copco Rotex Ab Drilling device
US10024108B2 (en) 2013-10-22 2018-07-17 Oy Epiroc Drilling Tools Ab Drilling device
CN105781421A (en) * 2014-12-26 2016-07-20 中石化胜利石油工程有限公司钻井工艺研究院 Sleeve rotary and circular running tool
CN105781421B (en) * 2014-12-26 2017-12-01 东营黄蓝知识产权运营管理有限公司 A kind of sleeve rotating circulates tripping in device

Also Published As

Publication number Publication date
FR1363623A (en) 1964-06-12

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