FR2311921A1 - Perfectionnements aux engins de forage - Google Patents

Perfectionnements aux engins de forage

Info

Publication number
FR2311921A1
FR2311921A1 FR7615593A FR7615593A FR2311921A1 FR 2311921 A1 FR2311921 A1 FR 2311921A1 FR 7615593 A FR7615593 A FR 7615593A FR 7615593 A FR7615593 A FR 7615593A FR 2311921 A1 FR2311921 A1 FR 2311921A1
Authority
FR
France
Prior art keywords
cradle
drilling machine
horizontal axis
frame
ground drilling
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
FR7615593A
Other languages
English (en)
Other versions
FR2311921B3 (fr
Inventor
James Russell Virgo
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.)
BSP International Foundations Ltd
Original Assignee
BSP International Foundations 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
Application filed by BSP International Foundations Ltd filed Critical BSP International Foundations Ltd
Publication of FR2311921A1 publication Critical patent/FR2311921A1/fr
Application granted granted Critical
Publication of FR2311921B3 publication Critical patent/FR2311921B3/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
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
    • 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
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/021—With a rotary table, i.e. a fixed rotary drive for a relatively advancing tool

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)
FR7615593A 1975-05-19 1976-05-18 Perfectionnements aux engins de forage Granted FR2311921A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2127775 1975-05-19

Publications (2)

Publication Number Publication Date
FR2311921A1 true FR2311921A1 (fr) 1976-12-17
FR2311921B3 FR2311921B3 (fr) 1979-02-16

Family

ID=10160183

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7615593A Granted FR2311921A1 (fr) 1975-05-19 1976-05-18 Perfectionnements aux engins de forage

Country Status (2)

Country Link
FR (1) FR2311921A1 (fr)
IT (1) IT1081054B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016736A1 (fr) * 1979-02-21 1980-10-01 CASAGRANDE & C. SpA Améliorations aux structures de colonnes téléscopiques pour l'excavation de tranchées, de fondations et autres

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016736A1 (fr) * 1979-02-21 1980-10-01 CASAGRANDE & C. SpA Améliorations aux structures de colonnes téléscopiques pour l'excavation de tranchées, de fondations et autres

Also Published As

Publication number Publication date
IT1081054B (it) 1985-05-16
FR2311921B3 (fr) 1979-02-16

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Legal Events

Date Code Title Description
ST Notification of lapse