FR2330848A1 - Sondeuse pneumatique par percussion et rotation - Google Patents
Sondeuse pneumatique par percussion et rotationInfo
- Publication number
- FR2330848A1 FR2330848A1 FR7534219A FR7534219A FR2330848A1 FR 2330848 A1 FR2330848 A1 FR 2330848A1 FR 7534219 A FR7534219 A FR 7534219A FR 7534219 A FR7534219 A FR 7534219A FR 2330848 A1 FR2330848 A1 FR 2330848A1
- Authority
- FR
- France
- Prior art keywords
- housing
- sleeve
- rotation
- rearward motion
- against rearward
- 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
Links
- 238000005553 drilling Methods 0.000 title abstract 3
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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/18—Anchoring or feeding in the borehole
-
- 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
- E21B6/00—Drives for drilling with combined rotary and percussive action
- E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7534219A FR2330848A1 (fr) | 1975-11-07 | 1975-11-07 | Sondeuse pneumatique par percussion et rotation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7534219A FR2330848A1 (fr) | 1975-11-07 | 1975-11-07 | Sondeuse pneumatique par percussion et rotation |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2330848A1 true FR2330848A1 (fr) | 1977-06-03 |
FR2330848B1 FR2330848B1 (fr) | 1979-05-04 |
Family
ID=9162216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7534219A Granted FR2330848A1 (fr) | 1975-11-07 | 1975-11-07 | Sondeuse pneumatique par percussion et rotation |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2330848A1 (fr) |
-
1975
- 1975-11-07 FR FR7534219A patent/FR2330848A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2330848B1 (fr) | 1979-05-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |