NL26951C - - Google Patents
Info
- Publication number
- NL26951C NL26951C NL26951DA NL26951C NL 26951 C NL26951 C NL 26951C NL 26951D A NL26951D A NL 26951DA NL 26951 C NL26951 C NL 26951C
- Authority
- NL
- Netherlands
Links
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
NL26951C true NL26951C (en) | 1900-01-01 |
Family
ID=1792307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL26951D NL26951C (en) |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL26951C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2440464A1 (en) * | 1978-10-30 | 1980-05-30 | Perot Georges | Drilling tool for relatively short distances through earth - has blade close to point of hard steel shaft |
EP0905347A2 (en) * | 1997-09-30 | 1999-03-31 | The Charles Machine Works Inc | Device and method for enlarging a bore |
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0
- NL NL26951D patent/NL26951C/xx active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2440464A1 (en) * | 1978-10-30 | 1980-05-30 | Perot Georges | Drilling tool for relatively short distances through earth - has blade close to point of hard steel shaft |
EP0905347A2 (en) * | 1997-09-30 | 1999-03-31 | The Charles Machine Works Inc | Device and method for enlarging a bore |
EP0905347A3 (en) * | 1997-09-30 | 2000-12-06 | The Charles Machine Works Inc | Device and method for enlarging a bore |