ZA722928B - Drill swivel assembly - Google Patents
Drill swivel assemblyInfo
- Publication number
- ZA722928B ZA722928B ZA722928A ZA722928A ZA722928B ZA 722928 B ZA722928 B ZA 722928B ZA 722928 A ZA722928 A ZA 722928A ZA 722928 A ZA722928 A ZA 722928A ZA 722928 B ZA722928 B ZA 722928B
- Authority
- ZA
- South Africa
- Prior art keywords
- swivel assembly
- drill swivel
- drill
- assembly
- swivel
- Prior art date
Links
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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/025—Rock drills, i.e. jumbo drills
-
- 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
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/022—Control of the drilling operation; Hydraulic or pneumatic means for activation or operation
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)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13972771A | 1971-05-03 | 1971-05-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA722928B true ZA722928B (en) | 1973-02-28 |
Family
ID=22488019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA722928A ZA722928B (en) | 1971-05-03 | 1972-05-01 | Drill swivel assembly |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU4178472A (en) |
GB (1) | GB1361716A (en) |
ZA (1) | ZA722928B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8607997D0 (en) * | 1986-04-02 | 1986-05-08 | Boart Uk Ltd | Drilling boom |
-
1972
- 1972-04-27 GB GB1967072A patent/GB1361716A/en not_active Expired
- 1972-05-01 ZA ZA722928A patent/ZA722928B/en unknown
- 1972-05-02 AU AU41784/72A patent/AU4178472A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1361716A (en) | 1974-07-30 |
AU4178472A (en) | 1973-12-20 |
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