FR2265967A1 - Regulating working press. of a drill - compensating for the effects of swell during drilling operations at sea - Google Patents

Regulating working press. of a drill - compensating for the effects of swell during drilling operations at sea

Info

Publication number
FR2265967A1
FR2265967A1 FR7509104A FR7509104A FR2265967A1 FR 2265967 A1 FR2265967 A1 FR 2265967A1 FR 7509104 A FR7509104 A FR 7509104A FR 7509104 A FR7509104 A FR 7509104A FR 2265967 A1 FR2265967 A1 FR 2265967A1
Authority
FR
France
Prior art keywords
drill
drilling operations
sea
compensating
effects
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.)
Granted
Application number
FR7509104A
Other languages
English (en)
French (fr)
Other versions
FR2265967B3 (enExample
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.)
Rock Fall Co Ltd
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 FR2265967A1 publication Critical patent/FR2265967A1/fr
Application granted granted Critical
Publication of FR2265967B3 publication Critical patent/FR2265967B3/fr
Granted 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
    • E21B19/09—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)
FR7509104A 1974-03-25 1975-03-24 Regulating working press. of a drill - compensating for the effects of swell during drilling operations at sea Granted FR2265967A1 (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 (2)

Publication Number Publication Date
FR2265967A1 true FR2265967A1 (en) 1975-10-24
FR2265967B3 FR2265967B3 (enExample) 1977-11-25

Family

ID=26249654

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7509104A Granted FR2265967A1 (en) 1974-03-25 1975-03-24 Regulating working press. of a drill - compensating for the effects of swell during drilling operations at sea

Country Status (9)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3015752A1 (de) * 1980-04-24 1981-10-29 Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter Lafetten-gesteinsbohrgeraet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3015752A1 (de) * 1980-04-24 1981-10-29 Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter Lafetten-gesteinsbohrgeraet

Also Published As

Publication number Publication date
AU7935075A (en) 1976-09-23
EG12052A (en) 1978-09-30
FR2265967B3 (enExample) 1977-11-25
ES435811A1 (es) 1977-02-16
NO750891L (enExample) 1975-09-26
FI750810A7 (enExample) 1975-09-27
SE7502392L (enExample) 1975-09-26
BR7501718A (pt) 1975-12-23
AR207240A1 (es) 1976-09-22

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Legal Events

Date Code Title Description
ST Notification of lapse