BR8700248A - COATING TUBE CENTER - Google Patents

COATING TUBE CENTER

Info

Publication number
BR8700248A
BR8700248A BR8700248A BR8700248A BR8700248A BR 8700248 A BR8700248 A BR 8700248A BR 8700248 A BR8700248 A BR 8700248A BR 8700248 A BR8700248 A BR 8700248A BR 8700248 A BR8700248 A BR 8700248A
Authority
BR
Brazil
Prior art keywords
tube center
coating tube
coating
center
tube
Prior art date
Application number
BR8700248A
Other languages
Portuguese (pt)
Inventor
Raymond F Mikolajczyk
Original Assignee
Raymond F Mikolajczyk
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 Raymond F Mikolajczyk filed Critical Raymond F Mikolajczyk
Publication of BR8700248A publication Critical patent/BR8700248A/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
    • E21B17/1078—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
    • E21B47/04—Measuring depth or liquid level
    • E21B47/053—Measuring depth or liquid level using radioactive markers
    • 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
    • E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like

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)
  • Geophysics (AREA)
  • Earth Drilling (AREA)
BR8700248A 1986-10-30 1987-01-21 COATING TUBE CENTER BR8700248A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US92492986A 1986-10-30 1986-10-30

Publications (1)

Publication Number Publication Date
BR8700248A true BR8700248A (en) 1988-05-24

Family

ID=25450934

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8700248A BR8700248A (en) 1986-10-30 1987-01-21 COATING TUBE CENTER

Country Status (2)

Country Link
BR (1) BR8700248A (en)
GB (1) GB2197008A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5419395A (en) * 1993-11-12 1995-05-30 Baker Hughes Incorporated Eccentric fluid displacement sleeve
GB9404857D0 (en) * 1994-03-12 1994-04-27 Downhole Products Uk Ltd Casing centraliser
US6006830A (en) * 1994-03-12 1999-12-28 Downhole Products (Uk) Limited Casing centraliser
GB2290331B (en) * 1994-03-12 1996-10-09 Downhole Products Uk Ltd Casing Centraliser
GB2396877B (en) 2002-08-12 2006-04-19 Eni Spa Integral centraliser
CA2404577C (en) 2002-09-23 2011-11-15 Tesco Corporation Pipe centralizer and method of forming
CN116575872B (en) * 2023-07-11 2023-09-12 四川尔零石油科技有限公司 Casing centralizer and production method thereof

Also Published As

Publication number Publication date
GB8705778D0 (en) 1987-04-15
GB2197008A (en) 1988-05-11

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 21/01/2002