BR7501718A - CONSTANT POWER SUPPLY APPLIANCE AND CURL COMPENSATOR FOR DRILLING MACHINES - Google Patents

CONSTANT POWER SUPPLY APPLIANCE AND CURL COMPENSATOR FOR DRILLING MACHINES

Info

Publication number
BR7501718A
BR7501718A BR1718/75A BR7501718A BR7501718A BR 7501718 A BR7501718 A BR 7501718A BR 1718/75 A BR1718/75 A BR 1718/75A BR 7501718 A BR7501718 A BR 7501718A BR 7501718 A BR7501718 A BR 7501718A
Authority
BR
Brazil
Prior art keywords
curl
compensator
power supply
constant power
drilling machines
Prior art date
Application number
BR1718/75A
Other languages
Portuguese (pt)
Inventor
Fall Co Ltd Rock
Original Assignee
Wassenaar L
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
Priority claimed from GB13256/74A external-priority patent/GB1504861A/en
Application filed by Wassenaar L filed Critical Wassenaar L
Publication of BR7501718A publication Critical patent/BR7501718A/en

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
    • E21B19/09—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 specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
BR1718/75A 1974-03-25 1975-03-21 CONSTANT POWER SUPPLY APPLIANCE AND CURL COMPENSATOR FOR DRILLING MACHINES BR7501718A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB13256/74A GB1504861A (en) 1974-03-25 1974-03-25 Drilling machine constant feed-force apparatus
GB2093374 1974-05-11

Publications (1)

Publication Number Publication Date
BR7501718A true BR7501718A (en) 1975-12-23

Family

ID=26249654

Family Applications (1)

Application Number Title Priority Date Filing Date
BR1718/75A BR7501718A (en) 1974-03-25 1975-03-21 CONSTANT POWER SUPPLY APPLIANCE AND CURL COMPENSATOR FOR DRILLING MACHINES

Country Status (9)

Country Link
AR (1) AR207240A1 (en)
AU (1) AU7935075A (en)
BR (1) BR7501718A (en)
EG (1) EG12052A (en)
ES (1) ES435811A1 (en)
FI (1) FI750810A (en)
FR (1) FR2265967A1 (en)
NO (1) NO750891L (en)
SE (1) SE7502392L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3015752C2 (en) * 1980-04-24 1985-04-25 Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter Carriage for a rock drill

Also Published As

Publication number Publication date
ES435811A1 (en) 1977-02-16
NO750891L (en) 1975-09-26
EG12052A (en) 1978-09-30
FI750810A (en) 1975-09-27
FR2265967B3 (en) 1977-11-25
AR207240A1 (en) 1976-09-22
AU7935075A (en) 1976-09-23
FR2265967A1 (en) 1975-10-24
SE7502392L (en) 1975-09-26

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