NO883016D0 - Utvidbar brotsj for broennrensing. - Google Patents
Utvidbar brotsj for broennrensing.Info
- Publication number
- NO883016D0 NO883016D0 NO883016A NO883016A NO883016D0 NO 883016 D0 NO883016 D0 NO 883016D0 NO 883016 A NO883016 A NO 883016A NO 883016 A NO883016 A NO 883016A NO 883016 D0 NO883016 D0 NO 883016D0
- Authority
- NO
- Norway
- Prior art keywords
- brochure
- extendable
- brown
- cleaning
- extendable brochure
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
- E21B10/322—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor
- E21B37/04—Scrapers specially adapted therefor operated by fluid pressure, e.g. free-piston scrapers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878716040A GB8716040D0 (en) | 1987-07-08 | 1987-07-08 | Underreamer for descaling |
Publications (2)
Publication Number | Publication Date |
---|---|
NO883016D0 true NO883016D0 (no) | 1988-07-06 |
NO883016L NO883016L (no) | 1989-01-09 |
Family
ID=10620289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO88883016A NO883016L (no) | 1987-07-08 | 1988-07-06 | Utvidbar brotsj for broennrensing. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0298663A3 (no) |
GB (1) | GB8716040D0 (no) |
NO (1) | NO883016L (no) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5735359A (en) * | 1996-06-10 | 1998-04-07 | Weatherford/Lamb, Inc. | Wellbore cutting tool |
NO310311B1 (no) * | 1999-06-24 | 2001-06-18 | Thor Bjoernstad | Underrömmer |
WO2001066907A1 (en) * | 2000-03-10 | 2001-09-13 | Nortech Systems Limited | Clean out tool |
CA2940729C (en) * | 2014-03-11 | 2022-03-15 | Qinterra Technologies As | Tool for internal cleaning of a tubing or casing |
CN104653154B (zh) * | 2015-02-25 | 2017-06-13 | 中国石油天然气股份有限公司 | 通井刮削一体化工具 |
CN110500062B (zh) * | 2018-05-17 | 2021-11-02 | 中国石油天然气股份有限公司 | 一种旋转定径规 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2756968A (en) * | 1954-04-12 | 1956-07-31 | Grant Oil Tool Company | Expansible well scraper |
US2823901A (en) * | 1955-11-07 | 1958-02-18 | Kammerer Jr Archer W | Expansible rotary drilling tools |
US3196960A (en) * | 1963-03-19 | 1965-07-27 | Lamphere Jean K | Fluid pressure expansible drill bits |
US4565252A (en) * | 1984-03-08 | 1986-01-21 | Lor, Inc. | Borehole operating tool with fluid circulation through arms |
-
1987
- 1987-07-08 GB GB878716040A patent/GB8716040D0/en active Pending
-
1988
- 1988-06-29 EP EP88305962A patent/EP0298663A3/en not_active Withdrawn
- 1988-07-06 NO NO88883016A patent/NO883016L/no unknown
Also Published As
Publication number | Publication date |
---|---|
EP0298663A3 (en) | 1990-01-03 |
GB8716040D0 (en) | 1987-08-12 |
NO883016L (no) | 1989-01-09 |
EP0298663A2 (en) | 1989-01-11 |
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