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BRPI1014179A2 - reduced drag centerer - Google Patents

reduced drag centerer

Info

Publication number
BRPI1014179A2
BRPI1014179A2 BRPI1014179A BRPI1014179A BRPI1014179A2 BR PI1014179 A2 BRPI1014179 A2 BR PI1014179A2 BR PI1014179 A BRPI1014179 A BR PI1014179A BR PI1014179 A BRPI1014179 A BR PI1014179A BR PI1014179 A2 BRPI1014179 A2 BR PI1014179A2
Authority
BR
Brazil
Prior art keywords
centerer
reduced drag
drag
reduced
drag centerer
Prior art date
Application number
BRPI1014179A
Other languages
Portuguese (pt)
Inventor
Eugene Miller
Ira Hining
Jean P Buytaert
Original Assignee
Frank S Inr Inc
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 Frank S Inr Inc filed Critical Frank S Inr Inc
Publication of BRPI1014179A2 publication Critical patent/BRPI1014179A2/en

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)
BRPI1014179A 2009-04-07 2010-04-07 reduced drag centerer BRPI1014179A2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US16748209P 2009-04-07 2009-04-07
US22171609P 2009-06-30 2009-06-30
US23720209P 2009-08-26 2009-08-26
US26321809P 2009-11-20 2009-11-20
US28766509P 2009-12-17 2009-12-17
PCT/US2010/030243 WO2010118136A1 (en) 2009-04-07 2010-04-07 Reduced drag centralizer

Publications (1)

Publication Number Publication Date
BRPI1014179A2 true BRPI1014179A2 (en) 2016-04-05

Family

ID=42825238

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1014179A BRPI1014179A2 (en) 2009-04-07 2010-04-07 reduced drag centerer

Country Status (3)

Country Link
US (1) US20100252279A1 (en)
BR (1) BRPI1014179A2 (en)
WO (1) WO2010118136A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8408287B2 (en) * 2010-06-03 2013-04-02 Electro-Petroleum, Inc. Electrical jumper for a producing oil well
US8863832B2 (en) * 2010-09-28 2014-10-21 Schlumberger Technology Corporation Orientable eccentric downhole assembly
GB2638895A (en) * 2022-09-08 2025-09-03 Schlumberger Technology Bv Through-rotary centralizer

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2555628A (en) * 1948-03-08 1951-06-05 Baker Oil Tools Inc Casing centralizer
US2562083A (en) * 1948-10-01 1951-07-24 Baker Oil Tools Inc Casing centralizer
US2594550A (en) * 1950-03-15 1952-04-29 Gist Fred Morgan Multisection pipe protector
US3062297A (en) * 1960-11-25 1962-11-06 Jr Robert Tyrrell Well-casing centralizers
US3196951A (en) * 1962-04-30 1965-07-27 Schlumberger Well Surv Corp Centralizers
GB1014736A (en) * 1962-10-26 1965-12-31 Albert Edward Atkinson Improvements in and relating to devices for centralizing casing in boreholes
US3566965A (en) * 1968-07-22 1971-03-02 B & W Inc Variable size,multi-hinge centralizer
US4363360A (en) * 1981-01-15 1982-12-14 Richey Vernon T Apparatus for use in maintaining a well pipe centered within a well bore
US4794986A (en) * 1987-11-27 1989-01-03 Weatherford U.S., Inc. Reticulated centralizing apparatus
US5575333A (en) * 1995-06-07 1996-11-19 Weatherford U.S., Inc. Centralizer
US7156171B2 (en) * 2000-09-06 2007-01-02 Casetech International, Inc. Dual diameter and rotating centralizer/sub
US6679325B2 (en) * 2002-02-08 2004-01-20 Frank's International, Inc. Minimum clearance bow-spring centralizer

Also Published As

Publication number Publication date
US20100252279A1 (en) 2010-10-07
WO2010118136A1 (en) 2010-10-14

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]