NO750891L - - Google Patents

Info

Publication number
NO750891L
NO750891L NO750891A NO750891A NO750891L NO 750891 L NO750891 L NO 750891L NO 750891 A NO750891 A NO 750891A NO 750891 A NO750891 A NO 750891A NO 750891 L NO750891 L NO 750891L
Authority
NO
Norway
Prior art keywords
cylinder
drilling machine
pressure
winch
platform
Prior art date
Application number
NO750891A
Other languages
English (en)
Norwegian (no)
Inventor
L T Wassenaar
Original Assignee
Rock Fall Co Ltd
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 Rock Fall Co Ltd filed Critical Rock Fall Co Ltd
Publication of NO750891L publication Critical patent/NO750891L/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
    • 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)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
NO750891A 1974-03-25 1975-03-17 NO750891L (enrdf_load_html_response)

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
NO750891L true NO750891L (enrdf_load_html_response) 1975-09-26

Family

ID=26249654

Family Applications (1)

Application Number Title Priority Date Filing Date
NO750891A NO750891L (enrdf_load_html_response) 1974-03-25 1975-03-17

Country Status (9)

Country Link
AR (1) AR207240A1 (enrdf_load_html_response)
AU (1) AU7935075A (enrdf_load_html_response)
BR (1) BR7501718A (enrdf_load_html_response)
EG (1) EG12052A (enrdf_load_html_response)
ES (1) ES435811A1 (enrdf_load_html_response)
FI (1) FI750810A7 (enrdf_load_html_response)
FR (1) FR2265967A1 (enrdf_load_html_response)
NO (1) NO750891L (enrdf_load_html_response)
SE (1) SE7502392L (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3015752C2 (de) * 1980-04-24 1985-04-25 Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter Lafette für ein Gesteinsbohrgerät

Also Published As

Publication number Publication date
BR7501718A (pt) 1975-12-23
AU7935075A (en) 1976-09-23
FR2265967B3 (enrdf_load_html_response) 1977-11-25
ES435811A1 (es) 1977-02-16
SE7502392L (enrdf_load_html_response) 1975-09-26
FR2265967A1 (en) 1975-10-24
AR207240A1 (es) 1976-09-22
EG12052A (en) 1978-09-30
FI750810A7 (enrdf_load_html_response) 1975-09-27

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