FR1338750A - Perfectionnements aux perforatrices - Google Patents
Perfectionnements aux perforatricesInfo
- Publication number
- FR1338750A FR1338750A FR914656A FR914656A FR1338750A FR 1338750 A FR1338750 A FR 1338750A FR 914656 A FR914656 A FR 914656A FR 914656 A FR914656 A FR 914656A FR 1338750 A FR1338750 A FR 1338750A
- Authority
- FR
- France
- Prior art keywords
- perforation
- perforation improvements
- 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
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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/087—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods by means of a swinging arm
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR914656A FR1338750A (fr) | 1962-11-07 | 1962-11-07 | Perfectionnements aux perforatrices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR914656A FR1338750A (fr) | 1962-11-07 | 1962-11-07 | Perfectionnements aux perforatrices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1338750A true FR1338750A (fr) | 1963-09-27 |
Family
ID=8790296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR914656A Expired FR1338750A (fr) | 1962-11-07 | 1962-11-07 | Perfectionnements aux perforatrices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1338750A (fr) |
-
1962
- 1962-11-07 FR FR914656A patent/FR1338750A/fr not_active Expired
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