ZA727378B - Machine for boring through ground formations - Google Patents
Machine for boring through ground formationsInfo
- Publication number
- ZA727378B ZA727378B ZA727378A ZA727378A ZA727378B ZA 727378 B ZA727378 B ZA 727378B ZA 727378 A ZA727378 A ZA 727378A ZA 727378 A ZA727378 A ZA 727378A ZA 727378 B ZA727378 B ZA 727378B
- Authority
- ZA
- South Africa
- Prior art keywords
- boring
- machine
- ground formations
- formations
- ground
- Prior art date
Links
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000005755 formation reaction 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
- E21B19/16—Connecting or disconnecting pipe couplings or joints
-
- 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- 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
- E21B19/086—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 a fluid-actuated cylinder
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)
- Earth Drilling (AREA)
- Drilling And Boring (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19090971A | 1971-10-20 | 1971-10-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA727378B true ZA727378B (en) | 1973-06-27 |
Family
ID=22703293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA727378A ZA727378B (en) | 1971-10-20 | 1972-10-17 | Machine for boring through ground formations |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5514236B2 (en) |
AU (1) | AU467545B2 (en) |
CA (1) | CA968784A (en) |
DE (1) | DE2251652C2 (en) |
GB (1) | GB1370160A (en) |
SE (1) | SE400805B (en) |
ZA (1) | ZA727378B (en) |
ZM (1) | ZM16872A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4421179A (en) * | 1981-01-23 | 1983-12-20 | Varco International, Inc. | Top drive well drilling apparatus |
CN104481393A (en) * | 2014-12-12 | 2015-04-01 | 徐州徐工基础工程机械有限公司 | Power transmission structure of rotary drilling rig |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE384210C (en) * | 1923-11-17 | August Durek | One-man rotary drilling device with crank drive | |
US2595401A (en) * | 1945-12-10 | 1952-05-06 | Signal Oil & Gas Co | Drill head |
US2766977A (en) * | 1954-12-08 | 1956-10-16 | Goodman Mfg Co | Rotary cutter head for boring type continuous mining machine |
US3490546A (en) * | 1968-06-04 | 1970-01-20 | Robbins & Assoc James S | Drilling machine for use in small tunnels |
-
1972
- 1972-10-17 ZA ZA727378A patent/ZA727378B/en unknown
- 1972-10-18 AU AU47875/72A patent/AU467545B2/en not_active Expired
- 1972-10-18 GB GB4804472A patent/GB1370160A/en not_active Expired
- 1972-10-19 SE SE7213510D patent/SE400805B/en unknown
- 1972-10-19 CA CA154,282A patent/CA968784A/en not_active Expired
- 1972-10-20 DE DE2251652A patent/DE2251652C2/en not_active Expired
- 1972-10-20 JP JP10453672A patent/JPS5514236B2/ja not_active Expired
- 1972-10-20 ZM ZM168/72*UA patent/ZM16872A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
SE400805B (en) | 1978-04-10 |
DE2251652A1 (en) | 1973-04-26 |
CA968784A (en) | 1975-06-03 |
JPS4875401A (en) | 1973-10-11 |
AU467545B2 (en) | 1975-12-04 |
DE2251652C2 (en) | 1983-01-27 |
ZM16872A1 (en) | 1973-09-21 |
GB1370160A (en) | 1974-10-09 |
AU4787572A (en) | 1974-04-26 |
JPS5514236B2 (en) | 1980-04-15 |
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