AU480783A - - Google Patents
Info
- Publication number
- AU480783A AU480783A AU7665474A AU7665474A AU480783A AU 480783 A AU480783 A AU 480783A AU 7665474 A AU7665474 A AU 7665474A AU 7665474 A AU7665474 A AU 7665474A AU 480783 A AU480783 A AU 480783A
- Authority
- AU
- Australia
- 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
Classifications
-
- 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
- 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
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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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/02—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU76654/74A AU480783B2 (en) | 1974-05-28 | Improved sampling drill | |
| GB2148975A GB1472493A (en) | 1974-05-28 | 1975-05-20 | Sampling drill |
| ZA00753303A ZA753303B (en) | 1974-05-28 | 1975-05-22 | Improved sampling drill |
| US05/579,802 US4066139A (en) | 1974-05-28 | 1975-05-22 | Sampling drill |
| MY150/78A MY7800150A (en) | 1974-05-28 | 1978-12-30 | Improved sampling drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU76654/74A AU480783B2 (en) | 1974-05-28 | Improved sampling drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU480783B2 AU480783B2 (en) | 1976-06-24 |
| AU480783A true AU480783A (xx) | 1976-06-24 |
Family
ID=
Also Published As
| Publication number | Publication date |
|---|---|
| ZA753303B (en) | 1976-04-28 |
| MY7800150A (en) | 1978-12-31 |
| GB1472493A (en) | 1977-05-04 |