GB9525208D0 - Improvements in or relating to protective arrangements - Google Patents
Improvements in or relating to protective arrangementsInfo
- Publication number
- GB9525208D0 GB9525208D0 GBGB9525208.6A GB9525208A GB9525208D0 GB 9525208 D0 GB9525208 D0 GB 9525208D0 GB 9525208 A GB9525208 A GB 9525208A GB 9525208 D0 GB9525208 D0 GB 9525208D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- protective arrangements
- arrangements
- protective
- 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.)
- Granted
Links
- 230000001681 protective effect Effects 0.000 title 1
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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/06—Releasing-joints, e.g. safety joints
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/124—Units with longitudinally-spaced plugs for isolating the intermediate space
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
- E21B33/14—Methods or devices for cementing, for plugging holes, crevices, or the like for cementing casings into boreholes
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
- E21B47/017—Protecting measuring instruments
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)
- Geophysics (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB929217537A GB9217537D0 (en) | 1992-08-18 | 1992-08-18 | Improvements in or relating to protective arrangements |
GB9503409A GB2284439B (en) | 1992-08-18 | 1993-08-18 | Protective arrangements for downhole tools |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9525208D0 true GB9525208D0 (en) | 1996-02-07 |
GB2293843A GB2293843A (en) | 1996-04-10 |
GB2293843B GB2293843B (en) | 1996-06-05 |
Family
ID=26301452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9525208A Expired - Lifetime GB2293843B (en) | 1992-08-18 | 1993-08-18 | Improvements in or relating to downhole tool assemblies |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2293843B (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2136853B (en) * | 1983-03-24 | 1986-01-15 | Texas Iron Works | Liner and hydraulic liner hanger setting arrangement |
GB2172633A (en) * | 1985-02-28 | 1986-09-24 | Otis Eng Co | Rotating liner hanger and running tool |
US4834185A (en) * | 1988-01-15 | 1989-05-30 | Texas Iron Works, Inc. | Method and apparatus for manipulating a well bore liner |
-
1993
- 1993-08-18 GB GB9525208A patent/GB2293843B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2293843B (en) | 1996-06-05 |
GB2293843A (en) | 1996-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PE20 | Patent expired after termination of 20 years |
Expiry date: 20130817 |