GB2171436B - Casing centralizer - Google Patents

Casing centralizer

Info

Publication number
GB2171436B
GB2171436B GB08600874A GB8600874A GB2171436B GB 2171436 B GB2171436 B GB 2171436B GB 08600874 A GB08600874 A GB 08600874A GB 8600874 A GB8600874 A GB 8600874A GB 2171436 B GB2171436 B GB 2171436B
Authority
GB
United Kingdom
Prior art keywords
casing centralizer
centralizer
casing
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.)
Expired
Application number
GB08600874A
Other languages
English (en)
Other versions
GB2171436A (en
GB8600874D0 (en
Inventor
Raymond Felix Mikolajczyk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB8600874D0 publication Critical patent/GB8600874D0/en
Publication of GB2171436A publication Critical patent/GB2171436A/en
Application granted granted Critical
Publication of GB2171436B publication Critical patent/GB2171436B/en
Expired legal-status Critical Current

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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
    • E21B47/092—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes by detecting magnetic anomalies

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)
  • Geophysics (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
GB08600874A 1985-02-22 1986-01-15 Casing centralizer Expired GB2171436B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70448985A 1985-02-22 1985-02-22

Publications (3)

Publication Number Publication Date
GB8600874D0 GB8600874D0 (en) 1986-02-19
GB2171436A GB2171436A (en) 1986-08-28
GB2171436B true GB2171436B (en) 1988-02-17

Family

ID=24829746

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08600874A Expired GB2171436B (en) 1985-02-22 1986-01-15 Casing centralizer

Country Status (2)

Country Link
CA (1) CA1231642A (fr)
GB (1) GB2171436B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD665825S1 (en) 2011-10-28 2012-08-21 Top-Co Cementing Products Inc. Casing centralizer
USD665824S1 (en) 2011-10-28 2012-08-21 Top-Co Cementing Products Inc. Casing centralizer
USD674817S1 (en) 2011-10-28 2013-01-22 Top-Co Cementing Products Inc. Casing centralizer
USD674818S1 (en) 2011-10-28 2013-01-22 Top-Co Cementing Products Inc. Casing centralizer
USD849800S1 (en) 2012-04-04 2019-05-28 Summit Energy Services, Inc. Casing centralizer having spiral blades

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8901637A (pt) * 1989-04-07 1990-10-30 Petroleo Brasileiros S A Petro Dispositivo centralizador de obturadores
US4984633A (en) * 1989-10-20 1991-01-15 Weatherford U.S., Inc. Nozzle effect protectors, centralizers, and stabilizers and related methods
US5363931A (en) * 1993-07-07 1994-11-15 Schlumberger Technology Corporation Drilling stabilizer
GB2282615A (en) * 1993-10-09 1995-04-12 Uwg Ltd Casing centraliser
GB9404857D0 (en) * 1994-03-12 1994-04-27 Downhole Products Uk Ltd Casing centraliser
GB2290331B (en) * 1994-03-12 1996-10-09 Downhole Products Uk Ltd Casing Centraliser
US6006830A (en) * 1994-03-12 1999-12-28 Downhole Products (Uk) Limited Casing centraliser
CN1159848A (zh) * 1994-09-24 1997-09-17 韦瑟福德/拉姆公司 扶正器
US5631563A (en) * 1994-12-20 1997-05-20 Schlumbreger Technology Corporation Resistivity antenna shield, wear band and stabilizer assembly for measuring-while-drilling tool
GB9703608D0 (en) 1997-02-21 1997-04-09 Downhole Products Plc Casing centraliser
US5908072A (en) * 1997-05-02 1999-06-01 Frank's International, Inc. Non-metallic centralizer for casing
GB9813422D0 (en) * 1998-06-23 1998-08-19 Specialised Petroleum Serv Ltd Down-hole tool with detachable cleaning pads
US6230557B1 (en) 1998-08-04 2001-05-15 Schlumberger Technology Corporation Formation pressure measurement while drilling utilizing a non-rotating sleeve
GB2396877B (en) 2002-08-12 2006-04-19 Eni Spa Integral centraliser
US7191830B2 (en) 2004-02-27 2007-03-20 Halliburton Energy Services, Inc. Annular pressure relief collar
GB0413901D0 (en) * 2004-06-22 2004-07-21 Smart Stabilizer Systems Ltd Steerable drill bit arrangement
CA2476787C (fr) * 2004-08-06 2008-09-30 Halliburton Energy Services, Inc. Outil de telemetrie magnetique integre

Family Cites Families (2)

* 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
GB2134947A (en) * 1983-02-14 1984-08-22 Texas Iron Works Cementing casings and liners in wellbores

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD665825S1 (en) 2011-10-28 2012-08-21 Top-Co Cementing Products Inc. Casing centralizer
USD665824S1 (en) 2011-10-28 2012-08-21 Top-Co Cementing Products Inc. Casing centralizer
USD674817S1 (en) 2011-10-28 2013-01-22 Top-Co Cementing Products Inc. Casing centralizer
USD674818S1 (en) 2011-10-28 2013-01-22 Top-Co Cementing Products Inc. Casing centralizer
USD849800S1 (en) 2012-04-04 2019-05-28 Summit Energy Services, Inc. Casing centralizer having spiral blades

Also Published As

Publication number Publication date
GB2171436A (en) 1986-08-28
CA1231642A (fr) 1988-01-19
GB8600874D0 (en) 1986-02-19

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20060114