GB1221607A - Improvements in drilling equipment - Google Patents

Improvements in drilling equipment

Info

Publication number
GB1221607A
GB1221607A GB47979/69A GB4797969A GB1221607A GB 1221607 A GB1221607 A GB 1221607A GB 47979/69 A GB47979/69 A GB 47979/69A GB 4797969 A GB4797969 A GB 4797969A GB 1221607 A GB1221607 A GB 1221607A
Authority
GB
United Kingdom
Prior art keywords
bit
adapter
drill
earth
retracted
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
GB47979/69A
Other languages
English (en)
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.)
Atlas Copco AB
Original Assignee
Atlas Copco AB
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 Atlas Copco AB filed Critical Atlas Copco AB
Publication of GB1221607A publication Critical patent/GB1221607A/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
    • E21B10/64—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
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
    • E21B7/208—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes using down-hole drives

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
GB47979/69A 1968-10-16 1969-09-30 Improvements in drilling equipment Expired GB1221607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE13927/68A SE325005B (no) 1968-10-16 1968-10-16

Publications (1)

Publication Number Publication Date
GB1221607A true GB1221607A (en) 1971-02-03

Family

ID=20298249

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47979/69A Expired GB1221607A (en) 1968-10-16 1969-09-30 Improvements in drilling equipment

Country Status (9)

Country Link
US (1) US3648789A (no)
AT (1) AT290436B (no)
BE (1) BE740252A (no)
CA (1) CA918629A (no)
DE (1) DE6939179U (no)
FR (1) FR2020803A1 (no)
GB (1) GB1221607A (no)
NO (1) NO127936B (no)
SE (1) SE325005B (no)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5751391A (en) * 1980-09-10 1982-03-26 Toyosaku Shibata Expanding air hammer
JPS5754693A (en) * 1980-09-19 1982-04-01 Nittoku Kensetsu Kk Excavator
GB2147036A (en) * 1983-09-23 1985-05-01 Jan Edvard Persson A drill arrangement

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE346354B (no) * 1970-11-27 1972-07-03 Atlas Copco Ab
JPS59192193A (ja) * 1983-04-14 1984-10-31 株式会社イセキ開発工機 シールド掘進装置
TR22640A (tr) * 1984-05-22 1988-01-29 Iseki Kaihatsu Koki Tuenel acmada kullanilmak uezere bir siperin sueruelmesine mahsus usul ve cihaz
US4682662A (en) * 1985-04-25 1987-07-28 Vladimir Vancura Drill adapter
SE460141B (sv) * 1986-02-24 1989-09-11 Santrade Ltd Borrverktyg foer rotations- och/eller slagborrning innefattande en excentrisk rymmare samt rymmare ingaaende i ett saadant borrverktyg
SE8901199L (sv) * 1989-04-05 1990-10-06 Uniroc Ab Excentrisk borrkrona
US4962822A (en) * 1989-12-15 1990-10-16 Numa Tool Company Downhole drill bit and bit coupling
US5009271A (en) * 1990-07-16 1991-04-23 Milan Maric Drill assembly
US7139219B2 (en) * 2004-02-12 2006-11-21 Tempress Technologies, Inc. Hydraulic impulse generator and frequency sweep mechanism for borehole applications
US8607896B2 (en) * 2009-06-08 2013-12-17 Tempress Technologies, Inc. Jet turbodrill
US8528649B2 (en) 2010-11-30 2013-09-10 Tempress Technologies, Inc. Hydraulic pulse valve with improved pulse control
US9279300B2 (en) 2010-11-30 2016-03-08 Tempress Technologies, Inc. Split ring shift control for hydraulic pulse valve
CA2877411C (en) 2012-07-16 2020-01-28 Tempress Technologies, Inc. Extended reach placement of wellbore completions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1578623A (en) * 1922-12-01 1926-03-30 John A Zublin Rotary well drill
US1866082A (en) * 1927-08-10 1932-07-05 Anthony E Carlson Expansion drill bit
US1858263A (en) * 1929-04-13 1932-05-17 Charlton James Rotary expansion drilling tool
US1819273A (en) * 1930-06-28 1931-08-18 Edwin C Weisgerber Expansible fish tail bit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5751391A (en) * 1980-09-10 1982-03-26 Toyosaku Shibata Expanding air hammer
JPS5754693A (en) * 1980-09-19 1982-04-01 Nittoku Kensetsu Kk Excavator
JPS6238515B2 (no) * 1980-09-19 1987-08-18 Nittoku Kensetsu Kk
GB2147036A (en) * 1983-09-23 1985-05-01 Jan Edvard Persson A drill arrangement

Also Published As

Publication number Publication date
DE6939179U (de) 1970-02-12
AT290436B (de) 1971-06-11
US3648789A (en) 1972-03-14
FR2020803A1 (no) 1970-07-17
BE740252A (no) 1970-03-16
SE325005B (no) 1970-06-22
NO127936B (no) 1973-09-03
CA918629A (en) 1973-01-09

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