NO873373D0 - Boreapparat. - Google Patents

Boreapparat.

Info

Publication number
NO873373D0
NO873373D0 NO873373A NO873373A NO873373D0 NO 873373 D0 NO873373 D0 NO 873373D0 NO 873373 A NO873373 A NO 873373A NO 873373 A NO873373 A NO 873373A NO 873373 D0 NO873373 D0 NO 873373D0
Authority
NO
Norway
Prior art keywords
drilling apparatus
drilling
Prior art date
Application number
NO873373A
Other languages
English (en)
Other versions
NO873373L (no
Inventor
Thomas F Bailey
John Edward Campbell
Original Assignee
A Z Int Tool 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 A Z Int Tool Co filed Critical A Z Int Tool Co
Publication of NO873373D0 publication Critical patent/NO873373D0/no
Publication of NO873373L publication Critical patent/NO873373L/no

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
    • E21B10/08—Roller bits
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • 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
    • E21B10/26—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
    • E21B10/34—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 of roller-cutter type
    • E21B10/345—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 of roller-cutter type cutter shifted by fluid 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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details

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)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
NO873373A 1986-08-13 1987-08-12 Boreapparat. NO873373L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89606086A 1986-08-13 1986-08-13

Publications (2)

Publication Number Publication Date
NO873373D0 true NO873373D0 (no) 1987-08-12
NO873373L NO873373L (no) 1988-02-15

Family

ID=25405559

Family Applications (1)

Application Number Title Priority Date Filing Date
NO873373A NO873373L (no) 1986-08-13 1987-08-12 Boreapparat.

Country Status (7)

Country Link
CN (1) CN1008286B (no)
BR (1) BR8704193A (no)
CA (1) CA1326660C (no)
DE (1) DE3726813A1 (no)
FR (1) FR2607183B1 (no)
GB (1) GB2194571B (no)
NO (1) NO873373L (no)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1044631C (zh) * 1994-03-23 1999-08-11 刘启文 扩孔钻头
US6260635B1 (en) * 1998-01-26 2001-07-17 Dresser Industries, Inc. Rotary cone drill bit with enhanced journal bushing
US8678111B2 (en) 2007-11-16 2014-03-25 Baker Hughes Incorporated Hybrid drill bit and design method
EP2478177A2 (en) 2009-09-16 2012-07-25 Baker Hughes Incorporated External, divorced pdc bearing assemblies for hybrid drill bits
CN108049818B (zh) 2010-06-29 2020-11-17 贝克休斯公司 具有防钻头循旧槽结构的钻头
US9782857B2 (en) 2011-02-11 2017-10-10 Baker Hughes Incorporated Hybrid drill bit having increased service life
EP2673451B1 (en) 2011-02-11 2015-05-27 Baker Hughes Incorporated System and method for leg retention on hybrid bits
EP2780532B1 (en) 2011-11-15 2020-01-08 Baker Hughes, a GE company, LLC Hybrid drill bits having increased drilling efficiency
US10107039B2 (en) 2014-05-23 2018-10-23 Baker Hughes Incorporated Hybrid bit with mechanically attached roller cone elements
US11428050B2 (en) 2014-10-20 2022-08-30 Baker Hughes Holdings Llc Reverse circulation hybrid bit
CN106903349A (zh) * 2017-04-27 2017-06-30 湖北武大珞珈工程结构检测咨询有限公司 一种电钻用扩孔钻头
US10689914B2 (en) 2018-03-21 2020-06-23 Saudi Arabian Oil Company Opening a wellbore with a smart hole-opener
US10689913B2 (en) 2018-03-21 2020-06-23 Saudi Arabian Oil Company Supporting a string within a wellbore with a smart stabilizer
CN110548904B (zh) * 2019-10-06 2020-07-28 常州市荣科新材料有限公司 一种强制扩孔钻头
US11299968B2 (en) 2020-04-06 2022-04-12 Saudi Arabian Oil Company Reducing wellbore annular pressure with a release system
US11414942B2 (en) 2020-10-14 2022-08-16 Saudi Arabian Oil Company Packer installation systems and related methods

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB193679A (en) * 1922-02-28 1923-03-01 Alexander Mark Tucker Improvements in drill cutters for rotary boring drills
US1803679A (en) * 1925-12-16 1931-05-05 Hughes Tool Co Drill cutter retaining means
GB346946A (no) * 1929-03-25 1931-04-23 Chicago Pneumatic Tool Company
GB338146A (en) * 1929-06-13 1930-11-13 Walter Andreas Abegg Joint structure and method of making same
GB385819A (en) * 1931-05-19 1933-01-05 Chicago Pneumatic Tool Co Rotary roller bits for well-drilling
US2519716A (en) * 1946-03-06 1950-08-22 Reed Roller Bit Co Bearing assembly
US2641447A (en) * 1950-01-09 1953-06-09 Archer W Kammerer Hook tooth rotary drill bit and cutter
GB766242A (en) * 1955-03-23 1957-01-16 Archer William Kammerer Rotary expansible well drill bits
GB838833A (en) * 1958-08-25 1960-06-22 Archer William Kammerer Expansible rotary drill bit
US3171503A (en) * 1962-05-02 1965-03-02 Kirk R Shirley Expansible rotary drill bit
US3386521A (en) * 1965-11-26 1968-06-04 A Z Internat Tool Company Combination well drilling tool
US3554305A (en) * 1968-09-24 1971-01-12 Rotary Oil Tool Co Reverse circulation expansible rotary drill bit with hydraulic lock
US3750771A (en) * 1972-05-08 1973-08-07 Grant Oil Tool Co Underreamer having variable arm extension
US3998500A (en) * 1975-08-28 1976-12-21 Smith International, Inc. Mountable cone sub assembly
US4161343A (en) * 1978-07-21 1979-07-17 Dresser Industries, Inc. Cone retainer for a rotary rock bit
US4266622A (en) * 1979-01-15 1981-05-12 Smith International, Inc. Rotary rock bit and method of making same
US4282941A (en) * 1979-04-18 1981-08-11 Smith International Inc. Underreamer with large cutter elements and axial fluid passage
US4478299A (en) * 1982-03-26 1984-10-23 Trend Rock Bit Alberta, Ltd. Rock bit construction
US4533003A (en) * 1984-03-08 1985-08-06 A-Z International Company Drilling apparatus and cutter therefor
US4600064A (en) * 1985-02-25 1986-07-15 Hughes Tool Company Earth boring bit with bearing sleeve
US4722615A (en) * 1986-04-14 1988-02-02 A-Z International Tool Company Drilling apparatus and cutter therefor

Also Published As

Publication number Publication date
GB2194571B (en) 1990-05-16
CN87105588A (zh) 1988-06-01
BR8704193A (pt) 1988-04-12
CA1326660C (en) 1994-02-01
CN1008286B (zh) 1990-06-06
NO873373L (no) 1988-02-15
FR2607183B1 (fr) 1994-02-04
GB2194571A (en) 1988-03-09
FR2607183A1 (fr) 1988-05-27
GB8718646D0 (en) 1987-09-09
DE3726813C2 (no) 1993-01-21
DE3726813A1 (de) 1988-02-25

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