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FR2009330A1 - Apparatus for applying transverse force to a boring - tool - Google Patents

Apparatus for applying transverse force to a boring - tool

Info

Publication number
FR2009330A1
FR2009330A1 FR6916861A FR6916861A FR2009330A1 FR 2009330 A1 FR2009330 A1 FR 2009330A1 FR 6916861 A FR6916861 A FR 6916861A FR 6916861 A FR6916861 A FR 6916861A FR 2009330 A1 FR2009330 A1 FR 2009330A1
Authority
FR
France
Prior art keywords
tool
transverse force
boring
shoe
holder
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.)
Withdrawn
Application number
FR6916861A
Other languages
French (fr)
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Publication of FR2009330A1 publication Critical patent/FR2009330A1/en
Withdrawn legal-status Critical Current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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/068—Deflecting the direction of boreholes drilled by a down-hole drilling motor

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Earth Drilling (AREA)

Abstract

The tool holder pref. rotated by a fluid turbo motor is provided with a part circular shoe pivotally mounted at the end remotre from the tool and extending longitudinally along the holder towards the tool. The outer surface of the shoe engages the bone wall during boring and the shoe is provided with cylinders moveable under pressure, transversely of the axis of rotation against the tool holder thereby to apply a transverse force to the tool.
FR6916861A 1968-05-25 1969-05-23 Apparatus for applying transverse force to a boring - tool Withdrawn FR2009330A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2511368 1968-05-25

Publications (1)

Publication Number Publication Date
FR2009330A1 true FR2009330A1 (en) 1970-01-30

Family

ID=10222424

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6916861A Withdrawn FR2009330A1 (en) 1968-05-25 1969-05-23 Apparatus for applying transverse force to a boring - tool

Country Status (2)

Country Link
DE (1) DE1926460A1 (en)
FR (1) FR2009330A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2473105A1 (en) * 1980-01-05 1981-07-10 Bergwerksverband Gmbh DEVICE FOR THE EXECUTION OF DIRECTED DRILLING

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3939538A1 (en) * 1989-11-30 1991-06-13 Eastman Christensen Co DIRECTIONAL DRILLING TOOL

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2473105A1 (en) * 1980-01-05 1981-07-10 Bergwerksverband Gmbh DEVICE FOR THE EXECUTION OF DIRECTED DRILLING

Also Published As

Publication number Publication date
DE1926460A1 (en) 1969-11-27

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Legal Events

Date Code Title Description
ST Notification of lapse