FR756624A - Removable head for drilling tool - Google Patents
Removable head for drilling toolInfo
- Publication number
- FR756624A FR756624A FR756624DA FR756624A FR 756624 A FR756624 A FR 756624A FR 756624D A FR756624D A FR 756624DA FR 756624 A FR756624 A FR 756624A
- Authority
- FR
- France
- Prior art keywords
- drilling tool
- removable head
- removable
- head
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
- E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR756624T | 1933-06-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR756624A true FR756624A (en) | 1933-12-13 |
Family
ID=9165694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR756624D Expired FR756624A (en) | 1933-06-07 | 1933-06-07 | Removable head for drilling tool |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR756624A (en) |
-
1933
- 1933-06-07 FR FR756624D patent/FR756624A/en not_active Expired
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