AU467150B2 - Improvements in and relating to drilling apparatus - Google Patents
Improvements in and relating to drilling apparatusInfo
- Publication number
- AU467150B2 AU467150B2 AU27358/71A AU2735871A AU467150B2 AU 467150 B2 AU467150 B2 AU 467150B2 AU 27358/71 A AU27358/71 A AU 27358/71A AU 2735871 A AU2735871 A AU 2735871A AU 467150 B2 AU467150 B2 AU 467150B2
- Authority
- AU
- Australia
- Prior art keywords
- relating
- drilling apparatus
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
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 |
---|---|---|---|
AU27358/71A AU467150B2 (en) | 1970-04-03 | 1970-04-03 | Improvements in and relating to drilling apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU27358/71A AU467150B2 (en) | 1970-04-03 | 1970-04-03 | Improvements in and relating to drilling apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2735871A AU2735871A (en) | 1973-01-25 |
AU467150B2 true AU467150B2 (en) | 1973-01-25 |
Family
ID=3715661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU27358/71A Expired AU467150B2 (en) | 1970-04-03 | 1970-04-03 | Improvements in and relating to drilling apparatus |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU467150B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU577209B2 (en) * | 1985-12-23 | 1988-09-15 | Shell Internationale Research Maatschappij B.V. | Method of drilling a borehole using two separate fluids |
WO1992021849A1 (en) * | 1991-05-30 | 1992-12-10 | Benzon Ernst Benzoni | Drilling apparatus |
WO2000003115A1 (en) * | 1998-07-10 | 2000-01-20 | Btd Bohrtechnik Gmbh | Boring device |
-
1970
- 1970-04-03 AU AU27358/71A patent/AU467150B2/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU577209B2 (en) * | 1985-12-23 | 1988-09-15 | Shell Internationale Research Maatschappij B.V. | Method of drilling a borehole using two separate fluids |
WO1992021849A1 (en) * | 1991-05-30 | 1992-12-10 | Benzon Ernst Benzoni | Drilling apparatus |
WO2000003115A1 (en) * | 1998-07-10 | 2000-01-20 | Btd Bohrtechnik Gmbh | Boring device |
Also Published As
Publication number | Publication date |
---|---|
AU2735871A (en) | 1973-01-25 |
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