FR915496A - Diamond drill - Google Patents
Diamond drillInfo
- Publication number
- FR915496A FR915496A FR915496DA FR915496A FR 915496 A FR915496 A FR 915496A FR 915496D A FR915496D A FR 915496DA FR 915496 A FR915496 A FR 915496A
- Authority
- FR
- France
- Prior art keywords
- diamond drill
- diamond
- drill
- 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
- 229910003460 diamond Inorganic materials 0.000 title 1
- 239000010432 diamond Substances 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
- 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
- E21B19/081—Screw-and-nut feed mechanisms
-
- 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
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 |
---|---|---|---|
US915496XA | 1942-04-21 | 1942-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR915496A true FR915496A (en) | 1946-11-07 |
Family
ID=22228356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR915496D Expired FR915496A (en) | 1942-04-21 | 1945-10-04 | Diamond drill |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR915496A (en) |
-
1945
- 1945-10-04 FR FR915496D patent/FR915496A/en not_active Expired
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