GB2282170B - Downhole tools - Google Patents
Downhole toolsInfo
- Publication number
- GB2282170B GB2282170B GB9423958A GB9423958A GB2282170B GB 2282170 B GB2282170 B GB 2282170B GB 9423958 A GB9423958 A GB 9423958A GB 9423958 A GB9423958 A GB 9423958A GB 2282170 B GB2282170 B GB 2282170B
- Authority
- GB
- United Kingdom
- Prior art keywords
- downhole tools
- downhole
- tools
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
-
- 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
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1057—Centralising devices with rollers or with a relatively rotating sleeve
-
- 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
- E21B17/22—Rods or pipes with helical structure
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/001—Self-propelling systems or apparatus, e.g. for moving tools within the horizontal portion of a borehole
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/14—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
-
- 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
- E21B4/18—Anchoring or feeding in the borehole
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)
- Machine Tool Units (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9423958A GB2282170B (en) | 1992-05-27 | 1993-05-27 | Downhole tools |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB929211168A GB9211168D0 (en) | 1992-05-27 | 1992-05-27 | Well-drilling tools |
GB929213983A GB9213983D0 (en) | 1992-07-01 | 1992-07-01 | Well-drilling tools |
GB9423958A GB2282170B (en) | 1992-05-27 | 1993-05-27 | Downhole tools |
PCT/GB1993/001114 WO1993024728A1 (en) | 1992-05-27 | 1993-05-27 | Downhole tools |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9423958D0 GB9423958D0 (en) | 1995-01-25 |
GB2282170A GB2282170A (en) | 1995-03-29 |
GB2282170B true GB2282170B (en) | 1996-06-19 |
Family
ID=27266205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9423958A Expired - Lifetime GB2282170B (en) | 1992-05-27 | 1993-05-27 | Downhole tools |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2282170B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5794703A (en) * | 1996-07-03 | 1998-08-18 | Ctes, L.C. | Wellbore tractor and method of moving an item through a wellbore |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4365678A (en) * | 1980-11-28 | 1982-12-28 | Mobil Oil Corporation | Tubular drill string member with contoured circumferential surface |
EP0333450A1 (en) * | 1988-03-15 | 1989-09-20 | Charles Abernethy Anderson | Downhole Stabilisers |
-
1993
- 1993-05-27 GB GB9423958A patent/GB2282170B/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4365678A (en) * | 1980-11-28 | 1982-12-28 | Mobil Oil Corporation | Tubular drill string member with contoured circumferential surface |
EP0333450A1 (en) * | 1988-03-15 | 1989-09-20 | Charles Abernethy Anderson | Downhole Stabilisers |
Also Published As
Publication number | Publication date |
---|---|
GB2282170A (en) | 1995-03-29 |
GB9423958D0 (en) | 1995-01-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Expiry date: 20130526 |