BR7608147A - Aperfeicoamento em centralizador - Google Patents
Aperfeicoamento em centralizadorInfo
- Publication number
- BR7608147A BR7608147A BR7608147A BR7608147A BR7608147A BR 7608147 A BR7608147 A BR 7608147A BR 7608147 A BR7608147 A BR 7608147A BR 7608147 A BR7608147 A BR 7608147A BR 7608147 A BR7608147 A BR 7608147A
- Authority
- BR
- Brazil
- Prior art keywords
- perfecting
- centralizer
- Prior art date
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/642,264 US4011907A (en) | 1975-12-19 | 1975-12-19 | Knockdown centralizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7608147A true BR7608147A (pt) | 1977-11-22 |
Family
ID=24575870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7608147A BR7608147A (pt) | 1975-12-19 | 1976-12-06 | Aperfeicoamento em centralizador |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4011907A (pt) |
| JP (1) | JPS5296901A (pt) |
| AR (1) | AR210378A1 (pt) |
| BR (1) | BR7608147A (pt) |
| CA (1) | CA1053577A (pt) |
| DE (1) | DE2656541A1 (pt) |
| FR (1) | FR2335690A1 (pt) |
| GB (1) | GB1564962A (pt) |
| MX (1) | MX143666A (pt) |
| NL (1) | NL7613365A (pt) |
| NO (1) | NO764279L (pt) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4133398A (en) * | 1977-02-28 | 1979-01-09 | Smith International, Inc. | Collapsible spider for use in supporting casing during upward drilling operations |
| US4241789A (en) * | 1978-05-12 | 1980-12-30 | Grosch Gottlieb W | Concrete wall casing with centralizers embedded therein |
| US4269269A (en) * | 1979-05-14 | 1981-05-26 | Halliburton Company | Lock tab for centralizer end ring |
| US4422504A (en) * | 1981-03-16 | 1983-12-27 | Moore Boyd B | Protective clamp assembly |
| US4520869A (en) * | 1983-09-29 | 1985-06-04 | Svenson Bert N | Centralizer for well casings |
| GB2179079A (en) * | 1985-08-15 | 1987-02-25 | William Hunt Engineers Limited | Well casing tools |
| US4651823A (en) * | 1986-05-19 | 1987-03-24 | Antelope Oil Tool & Mfg. Company | Centralizer |
| US4875524A (en) * | 1988-09-29 | 1989-10-24 | Halliburton Company | Casing centralizer |
| US4909322A (en) * | 1989-04-26 | 1990-03-20 | Davis-Lynch, Inc. | Casing centralizer |
| US5143154A (en) * | 1990-03-13 | 1992-09-01 | Baker Hughes Incorporated | Inflatable packing element |
| US5575333A (en) * | 1995-06-07 | 1996-11-19 | Weatherford U.S., Inc. | Centralizer |
| US7182131B2 (en) * | 2000-09-06 | 2007-02-27 | Casetech International, Inc. | Dual diameter and rotating centralizer/sub and method |
| US7156171B2 (en) * | 2000-09-06 | 2007-01-02 | Casetech International, Inc. | Dual diameter and rotating centralizer/sub |
| US6457519B1 (en) * | 2001-02-20 | 2002-10-01 | Antelope Oil Tool And Manufacturing Company, Inc. | Expandable centralizer |
| CN102359350B (zh) * | 2011-10-09 | 2013-09-18 | 中国海洋石油总公司 | 一种扶正器 |
| USD930046S1 (en) | 2018-02-22 | 2021-09-07 | Vulcan Completion Products Uk Limited | Centralizer for centralizing tubing in a wellbore |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1801334A (en) * | 1926-01-11 | 1931-04-21 | Dalldorf Lloyd | Tailpiece for well tools |
| US2248160A (en) * | 1938-08-12 | 1941-07-08 | Earl L Crawford | Well apparatus |
| US2738019A (en) * | 1951-05-22 | 1956-03-13 | Atkinson Albert Edward | Devices for centralizing casing in boreholes |
| US2727576A (en) * | 1952-04-09 | 1955-12-20 | Jesse E Hall | Centralizers |
| US2728399A (en) * | 1953-12-10 | 1955-12-27 | Kluck Louis | Floating spring type casing centralizer |
| US2944603A (en) * | 1956-01-30 | 1960-07-12 | Baker Oil Tools Inc | Subsurface electric current generating apparatus |
| US3055432A (en) * | 1960-06-23 | 1962-09-25 | Baker Oil Tools Inc | Well conduit centering devices |
-
1975
- 1975-12-19 US US05/642,264 patent/US4011907A/en not_active Expired - Lifetime
-
1976
- 1976-10-20 CA CA263,815A patent/CA1053577A/en not_active Expired
- 1976-10-28 GB GB44929/76A patent/GB1564962A/en not_active Expired
- 1976-11-11 AR AR265422A patent/AR210378A1/es active
- 1976-11-23 MX MX167131A patent/MX143666A/es unknown
- 1976-12-01 NL NL7613365A patent/NL7613365A/xx not_active Application Discontinuation
- 1976-12-03 FR FR7636429A patent/FR2335690A1/fr active Granted
- 1976-12-06 BR BR7608147A patent/BR7608147A/pt unknown
- 1976-12-14 DE DE19762656541 patent/DE2656541A1/de not_active Withdrawn
- 1976-12-17 NO NO764279A patent/NO764279L/no unknown
- 1976-12-17 JP JP15100676A patent/JPS5296901A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US4011907A (en) | 1977-03-15 |
| CA1053577A (en) | 1979-05-01 |
| FR2335690B1 (pt) | 1982-08-20 |
| DE2656541A1 (de) | 1977-06-23 |
| GB1564962A (en) | 1980-04-16 |
| AR210378A1 (es) | 1977-07-29 |
| JPS5296901A (en) | 1977-08-15 |
| FR2335690A1 (fr) | 1977-07-15 |
| NL7613365A (nl) | 1977-06-21 |
| MX143666A (es) | 1981-06-22 |
| NO764279L (pt) | 1977-06-21 |
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