FR687791A - Perfectionnement aux outils pour forage rotary - Google Patents
Perfectionnement aux outils pour forage rotaryInfo
- Publication number
- FR687791A FR687791A FR687791DA FR687791A FR 687791 A FR687791 A FR 687791A FR 687791D A FR687791D A FR 687791DA FR 687791 A FR687791 A FR 687791A
- Authority
- FR
- France
- Prior art keywords
- rotary drilling
- drilling tools
- advanced training
- training
- advanced
- 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
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
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 |
---|---|---|---|
DE687791X | 1929-03-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR687791A true FR687791A (fr) | 1930-08-13 |
Family
ID=6598338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR687791D Expired FR687791A (fr) | 1929-03-04 | 1930-01-07 | Perfectionnement aux outils pour forage rotary |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR687791A (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2511991A (en) * | 1948-02-13 | 1950-06-20 | Nussbaum Leon | Rotary drilling tool |
US2949281A (en) * | 1957-09-06 | 1960-08-16 | Hughes Tool Co | Large diameter earth boring drill |
FR2513304A1 (fr) * | 1981-09-22 | 1983-03-25 | Dn Inzh Str Inst | Outil pour le forage dans le sol de trous a parois renforcees et procede de forage de tels trous |
FR2562947A1 (fr) * | 1984-04-14 | 1985-10-18 | Christensen Inc Norton | Trepan rotatif pour forages profonds |
-
1930
- 1930-01-07 FR FR687791D patent/FR687791A/fr not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2511991A (en) * | 1948-02-13 | 1950-06-20 | Nussbaum Leon | Rotary drilling tool |
US2949281A (en) * | 1957-09-06 | 1960-08-16 | Hughes Tool Co | Large diameter earth boring drill |
FR2513304A1 (fr) * | 1981-09-22 | 1983-03-25 | Dn Inzh Str Inst | Outil pour le forage dans le sol de trous a parois renforcees et procede de forage de tels trous |
FR2562947A1 (fr) * | 1984-04-14 | 1985-10-18 | Christensen Inc Norton | Trepan rotatif pour forages profonds |
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