ATA44681A - DRILL RODS FOR A COUNTERBORE TOOL - Google Patents
DRILL RODS FOR A COUNTERBORE TOOLInfo
- Publication number
- ATA44681A ATA44681A AT44681A AT44681A ATA44681A AT A44681 A ATA44681 A AT A44681A AT 44681 A AT44681 A AT 44681A AT 44681 A AT44681 A AT 44681A AT A44681 A ATA44681 A AT A44681A
- Authority
- AT
- Austria
- Prior art keywords
- drill rods
- counterbore tool
- counterbore
- tool
- drill
- 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
- 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
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/18—Pipes provided with plural fluid passages
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803015695 DE3015695A1 (en) | 1980-04-24 | 1980-04-24 | DRILL RODS FOR A COUNTERBURNING TOOL |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA44681A true ATA44681A (en) | 1982-11-15 |
AT371562B AT371562B (en) | 1983-07-11 |
Family
ID=6100777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT44681A AT371562B (en) | 1980-04-24 | 1981-02-02 | DRILL RODS FOR A LOWER HOLE TOOL THAT CAN BE INSERTED INTO A HOLE |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT371562B (en) |
DE (1) | DE3015695A1 (en) |
ES (1) | ES265238Y (en) |
FR (1) | FR2481358A1 (en) |
GB (1) | GB2074629B (en) |
SE (1) | SE8100631L (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU562909B2 (en) * | 1982-02-24 | 1987-06-25 | Drill Systems International Ltd | Drilling apparatus |
DE3807321C1 (en) * | 1988-03-05 | 1989-05-11 | Salzgitter Maschinenbau Gmbh, 3320 Salzgitter, De | |
DE4018842C1 (en) * | 1990-06-13 | 1991-07-04 | Komotzki, Michael, 4708 Kamen, De | Drill pipe assembly for counterbore tool - comprises an outer pipe contg. 2 inner pipes forming a connecting piece with a socket end and a plug end |
SE509633C2 (en) * | 1992-05-19 | 1999-02-15 | Atlas Copco Rock Drills Ab | Drill string component for use in drilling with a liquid-driven submersible drill |
WO2010060134A1 (en) * | 2008-11-25 | 2010-06-03 | Camstar Nominees Pty Ltd | Drill string |
CN102383751A (en) * | 2011-07-18 | 2012-03-21 | 陶德明 | Dual-pipe drilling slag removing method and device |
CN110579236B (en) * | 2018-06-08 | 2021-03-12 | 中国石油化工股份有限公司 | Device and method for testing parameters of auxiliary drilling tool |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1876627A (en) * | 1932-09-13 | Multiple pipe unit adaptable to the drilling and pumping arts | ||
US3065807A (en) * | 1958-06-30 | 1962-11-27 | Gas Drilling Services Co | Dual passage well drilling pipe |
US4100981A (en) * | 1977-02-04 | 1978-07-18 | Chaffin John D | Earth boring apparatus for geological drilling and coring |
-
1980
- 1980-04-24 DE DE19803015695 patent/DE3015695A1/en not_active Withdrawn
-
1981
- 1981-01-29 SE SE8100631A patent/SE8100631L/en not_active Application Discontinuation
- 1981-02-02 FR FR8101965A patent/FR2481358A1/en not_active Withdrawn
- 1981-02-02 AT AT44681A patent/AT371562B/en not_active IP Right Cessation
- 1981-02-05 ES ES1981265238U patent/ES265238Y/en not_active Expired
- 1981-02-18 GB GB8105154A patent/GB2074629B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2481358A1 (en) | 1981-10-30 |
ES265238Y (en) | 1984-12-16 |
SE8100631L (en) | 1981-10-25 |
ES265238U (en) | 1984-05-16 |
DE3015695A1 (en) | 1981-10-29 |
GB2074629A (en) | 1981-11-04 |
AT371562B (en) | 1983-07-11 |
GB2074629B (en) | 1983-08-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee | ||
UEP | Publication of translation of european patent specification |