GB0302119D0 - Improved downhole device - Google Patents
Improved downhole deviceInfo
- Publication number
- GB0302119D0 GB0302119D0 GBGB0302119.3A GB0302119A GB0302119D0 GB 0302119 D0 GB0302119 D0 GB 0302119D0 GB 0302119 A GB0302119 A GB 0302119A GB 0302119 D0 GB0302119 D0 GB 0302119D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- downhole device
- improved downhole
- improved
- downhole
- 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
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
- 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
-
- 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
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
-
- 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
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0202555A GB0202555D0 (en) | 2002-02-05 | 2002-02-05 | Improved downhole device |
GB0216045A GB0216045D0 (en) | 2002-07-12 | 2002-07-12 | Improved downhole device |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0302119D0 true GB0302119D0 (en) | 2003-03-05 |
GB2385342A GB2385342A (en) | 2003-08-20 |
GB2385342B GB2385342B (en) | 2006-05-17 |
Family
ID=26246962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0302119A Expired - Lifetime GB2385342B (en) | 2002-02-05 | 2003-01-30 | Improved downhole device |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2385342B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0223035D0 (en) * | 2002-10-04 | 2002-11-13 | Polyoil Ltd | Improved downhole device and method |
NO326223B1 (en) | 2003-10-29 | 2008-10-20 | Weatherford Lamb | Apparatus and method for reducing drill vibration when drilling with feed rudder |
GB0621892D0 (en) | 2006-11-03 | 2006-12-13 | Polyoil Ltd | Downhole apparatus and method of forming the same |
US10100588B2 (en) * | 2012-11-29 | 2018-10-16 | Per Angman | Mixed form tubular centralizers and method of use |
CA2892537C (en) * | 2012-11-29 | 2017-10-10 | Per Angman | Tubular centralizer |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB811793A (en) * | 1955-09-26 | 1959-04-15 | Baker Oil Tools Inc | Removable drill pipe protector |
GB1209001A (en) * | 1969-04-09 | 1970-10-14 | Minor Burt S | Well drill pipe protector |
US4266578A (en) * | 1976-04-23 | 1981-05-12 | Regal Tool & Rubber Co., Inc. | Drill pipe protector |
US4543998A (en) * | 1983-11-17 | 1985-10-01 | Regal International, Inc. | Protector clamp for well control lines |
US4796670A (en) * | 1987-10-15 | 1989-01-10 | Exxon Production Research Company | Drill pipe protector |
GB2304753A (en) * | 1995-08-24 | 1997-03-26 | Weatherford Lamb | Method for securing a well tool to a tubular and well tool adapted for said method |
GB0008594D0 (en) * | 2000-04-08 | 2000-05-31 | Polyoil Ltd | Improved casing centraliser |
-
2003
- 2003-01-30 GB GB0302119A patent/GB2385342B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2385342A (en) | 2003-08-20 |
GB2385342B (en) | 2006-05-17 |
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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) |
Free format text: REGISTERED BETWEEN 20140612 AND 20140618 |
|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20161124 AND 20161130 |
|
PE20 | Patent expired after termination of 20 years |
Expiry date: 20230129 |