AU466708B1 - Improvements in or relating to the drilling or cutting or earth strata - Google Patents
Improvements in or relating to the drilling or cutting or earth strataInfo
- Publication number
- AU466708B1 AU466708B1 AU23873/70A AU2387370A AU466708B1 AU 466708 B1 AU466708 B1 AU 466708B1 AU 23873/70 A AU23873/70 A AU 23873/70A AU 2387370 A AU2387370 A AU 2387370A AU 466708 B1 AU466708 B1 AU 466708B1
- Authority
- AU
- Australia
- Prior art keywords
- drilling
- relating
- cutting
- earth strata
- strata
- 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
- 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
- E21B19/084—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 with flexible drawing means, e.g. cables
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 |
---|---|---|---|
AU23873/70A AU466708B1 (en) | 1970-12-30 | 1970-12-30 | Improvements in or relating to the drilling or cutting or earth strata |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU23873/70A AU466708B1 (en) | 1970-12-30 | 1970-12-30 | Improvements in or relating to the drilling or cutting or earth strata |
Publications (1)
Publication Number | Publication Date |
---|---|
AU466708B1 true AU466708B1 (en) | 1972-07-06 |
Family
ID=3712925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU23873/70A Expired AU466708B1 (en) | 1970-12-30 | 1970-12-30 | Improvements in or relating to the drilling or cutting or earth strata |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU466708B1 (en) |
-
1970
- 1970-12-30 AU AU23873/70A patent/AU466708B1/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA894661A (en) | Earth borehole tool | |
CA934774A (en) | Earth boring machine | |
CA960209A (en) | Earth drilling machine | |
CA922208A (en) | Rock drill | |
CA946823A (en) | Rock drill | |
CA961029A (en) | Rock drill | |
CA950266A (en) | Rock drills | |
AU466708B1 (en) | Improvements in or relating to the drilling or cutting or earth strata | |
ZM14970A1 (en) | Improvements in or relating to the drilling or cutting of earth strata | |
IE34834B1 (en) | Improvements in or relating to the drilling or cutting of earth strata | |
AU468246B2 (en) | Improvements in rock boring machinery | |
AU465771B2 (en) | Improvements in rock boring machinery | |
AU470896B2 (en) | Improved rock cutter | |
AU5348064A (en) | Improvements in or relating to subterranean piles or like underground structures | |
AU461779B2 (en) | Earth borehole tool | |
AU2361070A (en) | Earth borehole tool | |
CA839581A (en) | Earth borer | |
CA831764A (en) | Rock drill | |
AU460156B2 (en) | Rock drill | |
ZA7277B (en) | Improvements in or relating to rock drills | |
CA854594A (en) | Hydraulic rock drill | |
AU456049B2 (en) | Earth boring machine | |
CA840749A (en) | Rock drills | |
ZA702649B (en) | Improvements in rock cutters | |
AU1108870A (en) | Improvements in rock drill bits |