FR2009330A1 - Apparatus for applying transverse force to a boring - tool - Google Patents
Apparatus for applying transverse force to a boring - toolInfo
- 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- Withdrawn
Links
- 210000000988 bone and bone Anatomy 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
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.
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FR6916861A Withdrawn FR2009330A1 (en) | 1968-05-25 | 1969-05-23 | Apparatus for applying transverse force to a boring - tool |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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3939538A1 (en) * | 1989-11-30 | 1991-06-13 | Eastman Christensen Co | DIRECTIONAL DRILLING TOOL |
-
1969
- 1969-05-23 FR FR6916861A patent/FR2009330A1/en not_active Withdrawn
- 1969-05-23 DE DE19691926460 patent/DE1926460A1/en active Pending
Cited By (1)
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 |