ZA707142B - Retractable drill bits - Google Patents

Retractable drill bits

Info

Publication number
ZA707142B
ZA707142B ZA707142A ZA707142A ZA707142B ZA 707142 B ZA707142 B ZA 707142B ZA 707142 A ZA707142 A ZA 707142A ZA 707142 A ZA707142 A ZA 707142A ZA 707142 B ZA707142 B ZA 707142B
Authority
ZA
South Africa
Prior art keywords
drill bits
retractable drill
retractable
bits
drill
Prior art date
Application number
ZA707142A
Inventor
H Link
Original Assignee
Christensen Diamond Prod Co
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 Christensen Diamond Prod Co filed Critical Christensen Diamond Prod Co
Publication of ZA707142B publication Critical patent/ZA707142B/en

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
    • E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
    • E21B10/66—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe the cutting element movable through the drilling pipe and laterally shiftable
ZA707142A 1970-01-19 1970-10-20 Retractable drill bits ZA707142B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US397170A 1970-01-19 1970-01-19

Publications (1)

Publication Number Publication Date
ZA707142B true ZA707142B (en) 1971-07-28

Family

ID=21708469

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA707142A ZA707142B (en) 1970-01-19 1970-10-20 Retractable drill bits

Country Status (8)

Country Link
US (1) US3603411A (en)
JP (1) JPS528761B1 (en)
BR (1) BR7024768D0 (en)
CA (1) CA929154A (en)
DE (1) DE2101969C3 (en)
FR (1) FR2077201B1 (en)
GB (1) GB1271339A (en)
ZA (1) ZA707142B (en)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3692126A (en) * 1971-01-29 1972-09-19 Frank C Rushing Retractable drill bit apparatus
JPS6123515U (en) * 1984-07-19 1986-02-12 士郎 長谷川 bolt
CA1264316A (en) * 1985-07-09 1990-01-09 Andrew H. Bennett, (Deceased) Wire line core barrel
DE3605009A1 (en) * 1986-02-18 1987-08-20 Gewerk Eisenhuette Westfalia PIPE PRESSING DEVICE, IN PARTICULAR FOR PRESSING PIPES OF SMALL DIAMETER
CN86107578A (en) * 1986-04-01 1987-10-21 株式会社利根钻机 The drill bit that is used for core drilling
RU2109907C1 (en) * 1993-06-16 1998-04-27 Даун Хоул Текнолоджиз Пти.Лтд. Drilling member
US5460231A (en) * 1994-08-19 1995-10-24 Collins; James S. Device and method for augering a conical hole in solid media
US7036610B1 (en) 1994-10-14 2006-05-02 Weatherford / Lamb, Inc. Apparatus and method for completing oil and gas wells
US7147068B2 (en) 1994-10-14 2006-12-12 Weatherford / Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7013997B2 (en) 1994-10-14 2006-03-21 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7108084B2 (en) 1994-10-14 2006-09-19 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7040420B2 (en) 1994-10-14 2006-05-09 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7100710B2 (en) 1994-10-14 2006-09-05 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US6868906B1 (en) 1994-10-14 2005-03-22 Weatherford/Lamb, Inc. Closed-loop conveyance systems for well servicing
AU124096S (en) * 1994-12-07 1995-07-14 Down Hole Tech Pty Ltd Drill bit finger
US5743344A (en) * 1995-05-18 1998-04-28 Down Hole Technologies Pty. Ltd. System for in situ replacement of cutting means for a ground drill
AUPN505395A0 (en) * 1995-08-28 1995-09-21 Down Hole Technologies Pty Ltd Tool for transporting cutting means to and from a ground drill
GB9524109D0 (en) 1995-11-24 1996-01-24 Petroline Wireline Services Downhole apparatus
US6536520B1 (en) 2000-04-17 2003-03-25 Weatherford/Lamb, Inc. Top drive casing system
US7509722B2 (en) 1997-09-02 2009-03-31 Weatherford/Lamb, Inc. Positioning and spinning device
US6742596B2 (en) 2001-05-17 2004-06-01 Weatherford/Lamb, Inc. Apparatus and methods for tubular makeup interlock
GB9815809D0 (en) 1998-07-22 1998-09-16 Appleton Robert P Casing running tool
GB2340859A (en) 1998-08-24 2000-03-01 Weatherford Lamb Method and apparatus for facilitating the connection of tubulars using a top drive
GB2340857A (en) 1998-08-24 2000-03-01 Weatherford Lamb An apparatus for facilitating the connection of tubulars and alignment with a top drive
GB2347441B (en) 1998-12-24 2003-03-05 Weatherford Lamb Apparatus and method for facilitating the connection of tubulars using a top drive
GB2345074A (en) 1998-12-24 2000-06-28 Weatherford Lamb Floating joint to facilitate the connection of tubulars using a top drive
US6896075B2 (en) 2002-10-11 2005-05-24 Weatherford/Lamb, Inc. Apparatus and methods for drilling with casing
US6854533B2 (en) 2002-12-20 2005-02-15 Weatherford/Lamb, Inc. Apparatus and method for drilling with casing
US6857487B2 (en) 2002-12-30 2005-02-22 Weatherford/Lamb, Inc. Drilling with concentric strings of casing
US6189621B1 (en) 1999-08-16 2001-02-20 Smart Drilling And Completion, Inc. Smart shuttles to complete oil and gas wells
DE60030159D1 (en) 1999-12-22 2006-09-28 Weatherford Lamb DRILLING TOOL FOR SIMULTANEOUS DRILLING AND DRILLING
US7325610B2 (en) 2000-04-17 2008-02-05 Weatherford/Lamb, Inc. Methods and apparatus for handling and drilling with tubulars or casing
GB0010378D0 (en) 2000-04-28 2000-06-14 Bbl Downhole Tools Ltd Expandable apparatus for drift and reaming a borehole
GB2365463B (en) 2000-08-01 2005-02-16 Renovus Ltd Drilling method
GB0206227D0 (en) * 2002-03-16 2002-05-01 Weatherford Lamb Bore-lining and drilling
US6994176B2 (en) 2002-07-29 2006-02-07 Weatherford/Lamb, Inc. Adjustable rotating guides for spider or elevator
US7730965B2 (en) 2002-12-13 2010-06-08 Weatherford/Lamb, Inc. Retractable joint and cementing shoe for use in completing a wellbore
US6899186B2 (en) * 2002-12-13 2005-05-31 Weatherford/Lamb, Inc. Apparatus and method of drilling with casing
US7938201B2 (en) 2002-12-13 2011-05-10 Weatherford/Lamb, Inc. Deep water drilling with casing
US6953096B2 (en) 2002-12-31 2005-10-11 Weatherford/Lamb, Inc. Expandable bit with secondary release device
US7128154B2 (en) 2003-01-30 2006-10-31 Weatherford/Lamb, Inc. Single-direction cementing plug
USRE42877E1 (en) 2003-02-07 2011-11-01 Weatherford/Lamb, Inc. Methods and apparatus for wellbore construction and completion
US7096982B2 (en) 2003-02-27 2006-08-29 Weatherford/Lamb, Inc. Drill shoe
CA2677247C (en) 2003-03-05 2012-09-25 Weatherford/Lamb, Inc. Casing running and drilling system
WO2004079147A2 (en) 2003-03-05 2004-09-16 Weatherford/Lamb, Inc. Method and apparatus for drilling with casing
US7650944B1 (en) 2003-07-11 2010-01-26 Weatherford/Lamb, Inc. Vessel for well intervention
US7284617B2 (en) 2004-05-20 2007-10-23 Weatherford/Lamb, Inc. Casing running head
WO2007134255A2 (en) 2006-05-12 2007-11-22 Weatherford/Lamb, Inc. Stage cementing methods used in casing while drilling
US8276689B2 (en) 2006-05-22 2012-10-02 Weatherford/Lamb, Inc. Methods and apparatus for drilling with casing
US8118115B2 (en) * 2008-02-22 2012-02-21 Roussy Raymond J Method and system for installing geothermal heat exchangers, micropiles, and anchors using a sonic drill and a removable or retrievable drill bit
US7891440B2 (en) * 2008-02-22 2011-02-22 Roussy Raymond J Method and system for installing geothermal transfer apparatuses with a sonic drill and a removable or retrievable drill bit
US11020140B2 (en) 2015-06-17 2021-06-01 Cilag Gmbh International Ultrasonic surgical blade for use with ultrasonic surgical instruments
WO2017109508A1 (en) 2015-12-23 2017-06-29 Peak Well Systems Pty Ltd Expanding and collapsing apparatus and methods of use
GB201522725D0 (en) 2015-12-23 2016-02-03 Peak Well Systems Pty Ltd Expanding and collapsing apparatus and methods of use
WO2017109511A1 (en) 2015-12-23 2017-06-29 Peak Well Systems Pty Ltd Torque transfer apparatus and methods of use
WO2017109510A1 (en) * 2015-12-23 2017-06-29 Peak Well Systems Pty Ltd Downhole apparatus and methods of use
CN114991674B (en) * 2022-06-22 2023-08-29 中国电建集团华东勘测设计研究院有限公司 A automatic sampling drilling tool of fast assembly for frozen soil layer exploration

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2068704A (en) * 1932-07-25 1937-01-26 Leonard E Powell Well drilling and coring apparatus
US2208457A (en) * 1939-05-08 1940-07-16 Lester A Crancer Expansible and contractible rock drill
US2287714A (en) * 1939-11-06 1942-06-23 Clinton L Walker Drill bit
US2360088A (en) * 1942-11-23 1944-10-10 Clinton L Walker Drilling tool
US2771275A (en) * 1952-01-29 1956-11-20 Exxon Research Engineering Co Hard formation retractable drill bit
US2979144A (en) * 1957-08-22 1961-04-11 Jersey Prod Res Co Retractable drill
US3437159A (en) * 1966-09-30 1969-04-08 Christensen Diamond Prod Co Retractable drill bits

Also Published As

Publication number Publication date
DE2101969C3 (en) 1975-05-28
FR2077201A1 (en) 1971-10-22
CA929154A (en) 1973-06-26
GB1271339A (en) 1972-04-19
DE2101969B2 (en) 1974-02-07
BR7024768D0 (en) 1973-04-10
FR2077201B1 (en) 1973-11-23
DE2101969A1 (en) 1971-07-22
US3603411A (en) 1971-09-07
JPS528761B1 (en) 1977-03-11

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