BR8901637A - Dispositivo centralizador de obturadores - Google Patents

Dispositivo centralizador de obturadores

Info

Publication number
BR8901637A
BR8901637A BR898901637A BR8901637A BR8901637A BR 8901637 A BR8901637 A BR 8901637A BR 898901637 A BR898901637 A BR 898901637A BR 8901637 A BR8901637 A BR 8901637A BR 8901637 A BR8901637 A BR 8901637A
Authority
BR
Brazil
Prior art keywords
shutter
centering device
centering
shutter centering
Prior art date
Application number
BR898901637A
Other languages
English (en)
Inventor
Eliberto Eduardo Pinheiro
Original Assignee
Petroleo Brasileiros S A Petro
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Petroleo Brasileiros S A Petro filed Critical Petroleo Brasileiros S A Petro
Priority to BR898901637A priority Critical patent/BR8901637A/pt
Priority to US07/506,045 priority patent/US5092403A/en
Priority to GB9008029A priority patent/GB2231358B/en
Priority to MX021494A priority patent/MX173867B/es
Publication of BR8901637A publication Critical patent/BR8901637A/pt

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
    • E21B17/1078—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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
BR898901637A 1989-04-07 1989-04-07 Dispositivo centralizador de obturadores BR8901637A (pt)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BR898901637A BR8901637A (pt) 1989-04-07 1989-04-07 Dispositivo centralizador de obturadores
US07/506,045 US5092403A (en) 1989-04-07 1990-04-09 Packer centralizing device
GB9008029A GB2231358B (en) 1989-04-07 1990-04-09 Packer centralizing device
MX021494A MX173867B (es) 1989-04-07 1990-07-09 Dispositivo centralizador de obturadores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR898901637A BR8901637A (pt) 1989-04-07 1989-04-07 Dispositivo centralizador de obturadores

Publications (1)

Publication Number Publication Date
BR8901637A true BR8901637A (pt) 1990-10-30

Family

ID=4046849

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898901637A BR8901637A (pt) 1989-04-07 1989-04-07 Dispositivo centralizador de obturadores

Country Status (4)

Country Link
US (1) US5092403A (pt)
BR (1) BR8901637A (pt)
GB (1) GB2231358B (pt)
MX (1) MX173867B (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994023174A1 (en) * 1993-04-07 1994-10-13 Marathon Oil Company High angle and horizontal wellbore centralizer and method of use
CN110552702B (zh) * 2019-08-09 2021-09-07 冀中能源井陉矿业集团元氏矿业有限公司 一种拼装波纹钢板地下综合管廊的暗挖施工方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB682362A (en) * 1950-12-18 1952-11-05 Baker Oil Tools Inc A centring device for centring conduits and the like in well bores
US2794617A (en) * 1952-11-05 1957-06-04 John R Yancey Circulation booster
US2715552A (en) * 1954-03-01 1955-08-16 Guiberson Corp Drill string bushing tool
US3419094A (en) * 1966-06-17 1968-12-31 Reed Roller Bit Co Drill string stabilizer
US3999618A (en) * 1975-01-22 1976-12-28 Smith International, Inc. Hammer stabilizer
US4000549A (en) * 1975-07-14 1977-01-04 Eastman-Whipstock, Inc. Stabilizer
US4071101A (en) * 1976-03-08 1978-01-31 Walker-Neer Mfg. Co., Inc. Stabilizer for single or dual tube drilling
GB2134947A (en) * 1983-02-14 1984-08-22 Texas Iron Works Cementing casings and liners in wellbores
US4825947A (en) * 1985-02-22 1989-05-02 Mikolajczyk Raymond F Apparatus for use in cementing a casing string within a well bore
CA1231642A (en) * 1985-02-22 1988-01-19 Raymond F. Mikolajczyk Casing centralizer/stabilizer
US4760889A (en) * 1986-09-19 1988-08-02 Dudman Roy L High bending strength ratio drill string components
US4928762A (en) * 1989-02-13 1990-05-29 Halliburton Company Retrievable bridge plug and packer

Also Published As

Publication number Publication date
GB2231358B (en) 1993-01-06
GB2231358A (en) 1990-11-14
MX173867B (es) 1994-04-07
GB9008029D0 (en) 1990-06-06
US5092403A (en) 1992-03-03

Similar Documents

Publication Publication Date Title
DE69033499T2 (de) Belichtungsvorrichtung
DE69029747D1 (de) Entwicklungsgerät
KR910003462A (ko) 정착장치
DE69033002T2 (de) Belichtungsvorrichtung
DE69034036D1 (de) Kameragerät
IT9020656A0 (it) dispositivo
DE69212827D1 (de) Zentriervorrichtung
IT9020522A0 (it) dispositivo ottico
DE69030325D1 (de) Positionierungseinrichtung
DE69024140D1 (de) Bilderzeugungsgerät
DE69033259T2 (de) Lichtempfangsvorrichtung
DE69026199D1 (de) Bilderzeugungsgerät
KR910001227U (ko) 셀프타이머장치
DE69025004D1 (de) Bilderzeugungsgerät
ES2024398A4 (es) Dispositivo de anaqueleria
DE69030348D1 (de) Belichtungsvorrichtung
DE69026978D1 (de) Autofocusgerät
IT9020658A0 (it) apparecchio
BR8901637A (pt) Dispositivo centralizador de obturadores
DE69029481D1 (de) Belichtungsvorrichtung
FI915613A0 (fi) Nesteenannostuslaite
NO173223C (no) Utsetningsanordning for frittfallbaat
PT95891A (pt) Aparelho mecanico de trancar
KR900014635U (ko) 셔터(Shutter)장치
BR8901838A (pt) Dispositivo mento-mastoideo-malar

Legal Events

Date Code Title Description
FG Letter patent granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 07/04/2004