CA935810A - Drilling or cutting of earth strata - Google Patents

Drilling or cutting of earth strata

Info

Publication number
CA935810A
CA935810A CA101749A CA101749A CA935810A CA 935810 A CA935810 A CA 935810A CA 101749 A CA101749 A CA 101749A CA 101749 A CA101749 A CA 101749A CA 935810 A CA935810 A CA 935810A
Authority
CA
Canada
Prior art keywords
drilling
cutting
earth strata
strata
earth
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
CA101749A
Other languages
English (en)
Other versions
CA101749S (en
Inventor
R. Hilton Allan
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.)
MINING DEVELOPMENTS AG
Original Assignee
MINING DEVELOPMENTS AG
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 MINING DEVELOPMENTS AG filed Critical MINING DEVELOPMENTS AG
Application granted granted Critical
Publication of CA935810A publication Critical patent/CA935810A/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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
    • 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
    • E21B10/36—Percussion drill bits
    • E21B10/40—Percussion drill bits with leading portion
    • 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
    • E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses

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)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
CA101749A 1969-12-30 1970-12-30 Drilling or cutting of earth strata Expired CA935810A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB6323869 1969-12-30
GB6323969 1969-12-30
GB91370 1970-01-08
GB2122170 1970-05-02

Publications (1)

Publication Number Publication Date
CA935810A true CA935810A (en) 1973-10-23

Family

ID=27447105

Family Applications (1)

Application Number Title Priority Date Filing Date
CA101749A Expired CA935810A (en) 1969-12-30 1970-12-30 Drilling or cutting of earth strata

Country Status (6)

Country Link
JP (1) JPS4943441B1 (ja)
CA (1) CA935810A (ja)
CH (1) CH528638A (ja)
FR (1) FR2083863A5 (ja)
IE (1) IE34834B1 (ja)
SE (1) SE395502B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA772816B (en) * 1977-05-11 1978-08-30 Delfos & Atlas Copco Improvements in or relating to mining,quarrying and similar rigs
SE527583C2 (sv) * 2005-03-14 2006-04-18 Atlas Copco Rock Drills Ab Borranordning

Also Published As

Publication number Publication date
IE34834B1 (en) 1975-09-03
IE34834L (en) 1971-06-30
JPS4943441B1 (ja) 1974-11-21
FR2083863A5 (ja) 1971-12-17
CH528638A (de) 1972-09-30
SE395502B (sv) 1977-08-15

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