ZA200500688B - Device for advancing drillings in the group - Google Patents
Device for advancing drillings in the groupInfo
- Publication number
- ZA200500688B ZA200500688B ZA200500688A ZA200500688A ZA200500688B ZA 200500688 B ZA200500688 B ZA 200500688B ZA 200500688 A ZA200500688 A ZA 200500688A ZA 200500688 A ZA200500688 A ZA 200500688A ZA 200500688 B ZA200500688 B ZA 200500688B
- Authority
- ZA
- South Africa
- Prior art keywords
- drillings
- advancing
- group
- advancing drillings
- Prior art date
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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/083—Roller bits with longitudinal axis, e.g. wobbling or nutating roller bit
-
- 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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/086—Roller bits with excentric movement
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/006—Mechanical motion converting means, e.g. reduction gearings
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/11—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
- E21D9/112—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines by means of one single rotary head or of concentric rotary heads
- E21D9/113—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines by means of one single rotary head or of concentric rotary heads having a central part for making a pilot tunnel and a follow-up part for enlarging the pilot tunnel
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002134336 DE10234336A1 (de) | 2002-07-26 | 2002-07-26 | Vorrichtung zum Vortreiben von Bohrungen im Erdreich |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200500688B true ZA200500688B (en) | 2006-08-30 |
Family
ID=30128451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200500688A ZA200500688B (en) | 2002-07-26 | 2005-01-24 | Device for advancing drillings in the group |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE10234336A1 (de) |
ZA (1) | ZA200500688B (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113605911B (zh) * | 2021-08-30 | 2024-02-02 | 中国铁建重工集团股份有限公司 | 刀盘总成、隧道掘进设备及隧道掘进施工方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD254229A1 (de) * | 1986-12-03 | 1988-02-17 | Werkzeugind Forschzent | Mehrteiliger bohrkopf, insbesondere gesteinsbohrkopf |
DE4332113A1 (de) * | 1993-09-22 | 1995-03-23 | Nlw Foerdertechnik Gmbh | Bohrgerät für Bohrungen im Erdreich mit unterschiedlichen Bodenklassen |
-
2002
- 2002-07-26 DE DE2002134336 patent/DE10234336A1/de not_active Withdrawn
-
2005
- 2005-01-24 ZA ZA200500688A patent/ZA200500688B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE10234336A1 (de) | 2004-02-12 |
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