AR210378A1 - Centrador - Google Patents
CentradorInfo
- Publication number
- AR210378A1 AR210378A1 AR265422A AR26542276A AR210378A1 AR 210378 A1 AR210378 A1 AR 210378A1 AR 265422 A AR265422 A AR 265422A AR 26542276 A AR26542276 A AR 26542276A AR 210378 A1 AR210378 A1 AR 210378A1
- Authority
- AR
- Argentina
- Prior art keywords
- centering
- 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 |
---|---|
AR210378A1 true AR210378A1 (es) | 1977-07-29 |
Family
ID=24575870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR265422A AR210378A1 (es) | 1975-12-19 | 1976-11-11 | Centrador |
Country Status (11)
Country | Link |
---|---|
US (1) | US4011907A (es) |
JP (1) | JPS5296901A (es) |
AR (1) | AR210378A1 (es) |
BR (1) | BR7608147A (es) |
CA (1) | CA1053577A (es) |
DE (1) | DE2656541A1 (es) |
FR (1) | FR2335690A1 (es) |
GB (1) | GB1564962A (es) |
MX (1) | MX143666A (es) |
NL (1) | NL7613365A (es) |
NO (1) | NO764279L (es) |
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 JP JP15100676A patent/JPS5296901A/ja active Pending
- 1976-12-17 NO NO764279A patent/NO764279L/no unknown
Also Published As
Publication number | Publication date |
---|---|
BR7608147A (pt) | 1977-11-22 |
JPS5296901A (en) | 1977-08-15 |
NO764279L (es) | 1977-06-21 |
GB1564962A (en) | 1980-04-16 |
FR2335690A1 (fr) | 1977-07-15 |
US4011907A (en) | 1977-03-15 |
DE2656541A1 (de) | 1977-06-23 |
CA1053577A (en) | 1979-05-01 |
NL7613365A (nl) | 1977-06-21 |
FR2335690B1 (es) | 1982-08-20 |
MX143666A (es) | 1981-06-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TR19633A (tr) | Alfa-olifinleri polimerize etmeye mahsus katalizatoerler | |
AR214181A1 (es) | Hemodializador | |
SE7611080L (sv) | Prismor for fergtelevisionskamera | |
SE7505163L (sv) | Torneschoke for hagelvapen | |
AR210378A1 (es) | Centrador | |
AT344259B (de) | Ablenkjoch | |
SE408126B (sv) | Berband for blixtlas | |
AT361361B (de) | Skiroller | |
SE7609476L (sv) | Berkonstruktion for bergtunnlar | |
AT349233B (de) | Mikroskopokular | |
SE415697B (sv) | Ledanordning | |
TR18802A (tr) | Fungisid terkipler | |
SE411166B (sv) | Berband for blixtlas | |
AT359544B (de) | Randstreifenfertiger | |
AT351347B (de) | Siliermittel | |
AT362274B (de) | Skistock | |
AT346618B (de) | Mikroskopokular | |
JPS51100390A (ja) | Setsudantoishi | |
AT360216B (de) | Rostmatte | |
JPS51108851A (ja) | Hikaridensoyogarasusenino setsudangu | |
SE7502180L (sv) | Hojdriktinrettning for granatkastarlavett | |
AT341376B (de) | Granantwerfer-trager | |
JPS51103951A (ja) | Hiosenseigomujososeibutsu | |
ATA33875A (de) | Kopfgeleimte garnitur | |
JPS51105498A (ja) | Netsujuseiseniseishokufuno setsudanhoho |