FR687790A - Perfectionnements aux obusiers pour forage - Google Patents
Perfectionnements aux obusiers pour forageInfo
- Publication number
- FR687790A FR687790A FR687790DA FR687790A FR 687790 A FR687790 A FR 687790A FR 687790D A FR687790D A FR 687790DA FR 687790 A FR687790 A FR 687790A
- Authority
- FR
- France
- Prior art keywords
- howitzers
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
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 |
---|---|---|---|
DE687790X | 1929-03-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR687790A true FR687790A (fr) | 1930-08-13 |
Family
ID=6598337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR687790D Expired FR687790A (fr) | 1929-03-04 | 1930-01-07 | Perfectionnements aux obusiers pour forage |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR687790A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3327793A (en) * | 1964-11-19 | 1967-06-27 | Dresser Ind | Multiple-shot bullet gun for perforating well casing |
-
1930
- 1930-01-07 FR FR687790D patent/FR687790A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3327793A (en) * | 1964-11-19 | 1967-06-27 | Dresser Ind | Multiple-shot bullet gun for perforating well casing |
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