CA2309942A1 - Casing centralizer - Google Patents
Casing centralizer Download PDFInfo
- Publication number
- CA2309942A1 CA2309942A1 CA 2309942 CA2309942A CA2309942A1 CA 2309942 A1 CA2309942 A1 CA 2309942A1 CA 2309942 CA2309942 CA 2309942 CA 2309942 A CA2309942 A CA 2309942A CA 2309942 A1 CA2309942 A1 CA 2309942A1
- Authority
- CA
- Canada
- Prior art keywords
- centralizer
- tubing
- casing centralizer
- joint
- outer sleeve
- 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
- 238000005553 drilling Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
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
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
A tubing centralizer for borehole drilling disclosed. The centralizer includes a retaining collar and an outer sleeve. In a method for installing the centralizer onto a joint of tubing, the retaining collar is mounted onto the joint of tubing and the outer sleeve is installed thereover.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2309942 CA2309942C (en) | 2000-05-29 | 2000-05-29 | Casing centralizer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2309942 CA2309942C (en) | 2000-05-29 | 2000-05-29 | Casing centralizer |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2309942A1 true CA2309942A1 (en) | 2001-11-29 |
CA2309942C CA2309942C (en) | 2007-01-30 |
Family
ID=4166300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2309942 Expired - Lifetime CA2309942C (en) | 2000-05-29 | 2000-05-29 | Casing centralizer |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2309942C (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007147257A1 (en) * | 2006-06-22 | 2007-12-27 | Boart Longyear Global Holdco Inc. | Stabilizer for drill strings |
CN114991687A (en) * | 2022-06-30 | 2022-09-02 | 江苏赛瑞机器人装备有限公司 | Be applied to oil development's intelligent sucker rod equipment |
CN115405238A (en) * | 2022-10-14 | 2022-11-29 | 东营华辰石油装备有限公司 | Casing centralizer with adaptive diameter-changing function |
-
2000
- 2000-05-29 CA CA 2309942 patent/CA2309942C/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007147257A1 (en) * | 2006-06-22 | 2007-12-27 | Boart Longyear Global Holdco Inc. | Stabilizer for drill strings |
US7954566B2 (en) | 2006-06-22 | 2011-06-07 | Boart Longyear Global Holdco Inc. | Stabilizer for drill strings |
CN114991687A (en) * | 2022-06-30 | 2022-09-02 | 江苏赛瑞机器人装备有限公司 | Be applied to oil development's intelligent sucker rod equipment |
CN114991687B (en) * | 2022-06-30 | 2023-08-18 | 江苏赛瑞机器人装备有限公司 | Be applied to oil exploitation's intelligent sucker rod device equipment |
CN115405238A (en) * | 2022-10-14 | 2022-11-29 | 东营华辰石油装备有限公司 | Casing centralizer with adaptive diameter-changing function |
CN115405238B (en) * | 2022-10-14 | 2024-06-11 | 东营华辰石油装备有限公司 | Casing centralizer with adaptive variable diameter function |
Also Published As
Publication number | Publication date |
---|---|
CA2309942C (en) | 2007-01-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request |