SE8604754L - PROCEDURE AND DEVICE FOR MANAGING DRILL RACES DURING CUTTING BAR DRILLING - Google Patents
PROCEDURE AND DEVICE FOR MANAGING DRILL RACES DURING CUTTING BAR DRILLINGInfo
- Publication number
- SE8604754L SE8604754L SE8604754A SE8604754A SE8604754L SE 8604754 L SE8604754 L SE 8604754L SE 8604754 A SE8604754 A SE 8604754A SE 8604754 A SE8604754 A SE 8604754A SE 8604754 L SE8604754 L SE 8604754L
- Authority
- SE
- Sweden
- Prior art keywords
- procedure
- during cutting
- cutting bar
- bar drilling
- races during
- Prior art date
Links
- 238000000034 method 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
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Massaging Devices (AREA)
- Unwinding Webs (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI854380A FI854380A (en) | 1985-11-07 | 1985-11-07 | FOERFARANDE OCH ANORDNING FOER BEHANDLING AV BORRSTAENGER I SKARVSTAONGSBORRNING. |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8604754D0 SE8604754D0 (en) | 1986-11-06 |
SE8604754L true SE8604754L (en) | 1987-05-08 |
Family
ID=8521646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8604754A SE8604754L (en) | 1985-11-07 | 1986-11-06 | PROCEDURE AND DEVICE FOR MANAGING DRILL RACES DURING CUTTING BAR DRILLING |
Country Status (5)
Country | Link |
---|---|
AU (1) | AU6492686A (en) |
FI (1) | FI854380A (en) |
NO (1) | NO864429L (en) |
SE (1) | SE8604754L (en) |
ZA (1) | ZA868498B (en) |
-
1985
- 1985-11-07 FI FI854380A patent/FI854380A/en not_active IP Right Cessation
-
1986
- 1986-11-06 NO NO864429A patent/NO864429L/en unknown
- 1986-11-06 SE SE8604754A patent/SE8604754L/en not_active Application Discontinuation
- 1986-11-07 ZA ZA868498A patent/ZA868498B/en unknown
- 1986-11-07 AU AU64926/86A patent/AU6492686A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU6492686A (en) | 1987-05-14 |
NO864429L (en) | 1987-05-08 |
FI854380A (en) | 1987-05-08 |
FI854380A0 (en) | 1985-11-07 |
NO864429D0 (en) | 1986-11-06 |
SE8604754D0 (en) | 1986-11-06 |
ZA868498B (en) | 1987-07-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8604754-5 Effective date: 19880805 |