FR972790A - Perfectionnements aux bennes de forage - Google Patents
Perfectionnements aux bennes de forageInfo
- Publication number
- FR972790A FR972790A FR972790DA FR972790A FR 972790 A FR972790 A FR 972790A FR 972790D A FR972790D A FR 972790DA FR 972790 A FR972790 A FR 972790A
- Authority
- FR
- France
- Prior art keywords
- drilling rigs
- rigs
- 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.)
- Expired
Links
- 238000005553 drilling Methods 0.000 title 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
- E21B27/00—Containers for collecting or depositing substances in boreholes or wells, e.g. bailers, baskets or buckets for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR972790T | 1941-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR972790A true FR972790A (fr) | 1951-02-02 |
Family
ID=9516251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR972790D Expired FR972790A (fr) | 1941-04-24 | 1941-04-24 | Perfectionnements aux bennes de forage |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR972790A (fr) |
-
1941
- 1941-04-24 FR FR972790D patent/FR972790A/fr not_active Expired
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