GB1014736A - Improvements in and relating to devices for centralizing casing in boreholes - Google Patents
Improvements in and relating to devices for centralizing casing in boreholesInfo
- Publication number
- GB1014736A GB1014736A GB4062762A GB4062762A GB1014736A GB 1014736 A GB1014736 A GB 1014736A GB 4062762 A GB4062762 A GB 4062762A GB 4062762 A GB4062762 A GB 4062762A GB 1014736 A GB1014736 A GB 1014736A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rings
- boreholes
- relating
- devices
- springs
- 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
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
- E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
- E21B17/1021—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs
- E21B17/1028—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs with arcuate springs only, e.g. baskets with outwardly bowed strips for cementing operations
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)
Abstract
1,014,736. Wells &c. A. E. ATKINSON. Sept. 17, 1963 [Oct. 26, 1962], No. 40627/62. Heading E1F A casing centralizer comprises at least three rings 9, 10, 11 and springs 5 interconnecting the rings, the intermediate ring 11 or rings having means for attachment of springs extending in opposite directions. The attachment of the spring to the rings is in accordance with Specification 698,464. The springs may be arranged helically.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4062762A GB1014736A (en) | 1962-10-26 | 1962-10-26 | Improvements in and relating to devices for centralizing casing in boreholes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4062762A GB1014736A (en) | 1962-10-26 | 1962-10-26 | Improvements in and relating to devices for centralizing casing in boreholes |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1014736A true GB1014736A (en) | 1965-12-31 |
Family
ID=10415830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4062762A Expired GB1014736A (en) | 1962-10-26 | 1962-10-26 | Improvements in and relating to devices for centralizing casing in boreholes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1014736A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3575239A (en) * | 1969-04-18 | 1971-04-20 | B & W Inc | Progressive centralizer |
US4255847A (en) * | 1978-11-03 | 1981-03-17 | Halliburton Company | Method of making a knockdown centralizer |
DE3508086C1 (en) * | 1985-03-07 | 1986-08-14 | Weatherford Oil Tool Gmbh, 3012 Langenhagen | Centering basket for drilling and casing pipes |
US4794986A (en) * | 1987-11-27 | 1989-01-03 | Weatherford U.S., Inc. | Reticulated centralizing apparatus |
EP0882869A2 (en) * | 1994-08-31 | 1998-12-09 | Halliburton Energy Services, Inc. | Method of perforating a well casing and downhole tool hanger |
WO2010118136A1 (en) * | 2009-04-07 | 2010-10-14 | Frank's International, Inc. | Reduced drag centralizer |
-
1962
- 1962-10-26 GB GB4062762A patent/GB1014736A/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3575239A (en) * | 1969-04-18 | 1971-04-20 | B & W Inc | Progressive centralizer |
US4255847A (en) * | 1978-11-03 | 1981-03-17 | Halliburton Company | Method of making a knockdown centralizer |
DE3508086C1 (en) * | 1985-03-07 | 1986-08-14 | Weatherford Oil Tool Gmbh, 3012 Langenhagen | Centering basket for drilling and casing pipes |
US4794986A (en) * | 1987-11-27 | 1989-01-03 | Weatherford U.S., Inc. | Reticulated centralizing apparatus |
EP0882869A2 (en) * | 1994-08-31 | 1998-12-09 | Halliburton Energy Services, Inc. | Method of perforating a well casing and downhole tool hanger |
EP0882869A3 (en) * | 1994-08-31 | 1999-03-10 | Halliburton Energy Services, Inc. | Method of perforating a well casing and downhole tool hanger |
WO2010118136A1 (en) * | 2009-04-07 | 2010-10-14 | Frank's International, Inc. | Reduced drag centralizer |
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