BRPI0511573A - ferramenta de perfuração - Google Patents

ferramenta de perfuração

Info

Publication number
BRPI0511573A
BRPI0511573A BRPI0511573-6A BRPI0511573A BRPI0511573A BR PI0511573 A BRPI0511573 A BR PI0511573A BR PI0511573 A BRPI0511573 A BR PI0511573A BR PI0511573 A BRPI0511573 A BR PI0511573A
Authority
BR
Brazil
Prior art keywords
hollow hole
axial
drilling tool
axial hollow
circulation path
Prior art date
Application number
BRPI0511573-6A
Other languages
English (en)
Inventor
George Telfer
Original Assignee
Specialised Petroleum Serv Ltd
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 Specialised Petroleum Serv Ltd filed Critical Specialised Petroleum Serv Ltd
Publication of BRPI0511573A publication Critical patent/BRPI0511573A/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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
    • E21B34/142—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools unsupported or free-falling elements, e.g. balls, plugs, darts or pistons

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Details Of Valves (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Taps Or Cocks (AREA)
  • Pipe Accessories (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Lift Valve (AREA)
  • Check Valves (AREA)

Abstract

FERRAMENTA DE PERFURAçãO Uma ferramenta de perfuração (10) para uso no isolamento de uma formação em um orifício de poço contra a pressão de fluido introduzida a partir da superfície. Montada em um cordão de trabalho, a ferramenta fornece um orifício vazado axial (18) e saídas radiais (40, 42) acima e abaixo de um elemento de vedação permanente (26) , tal como um copo de desvio. Os elementos de válvula (44, 50) que podem ser mangas aninhadas localizadas dentro do orifício axial são manipulados pela ativação através do cordão de trabalho, para mover seqüencialmente de forma que (a) um primeiro percurso de circulação seja criado em torno da vedação, através das saídas radiais e independentemente do orifício vazado axial; (b) o orifício vazado axial é obstruído e um segundo percurso de circulação é estabelecido entre o orifício vazado axial e a saída radial superior; e (c) o fluxo é restabelecido através do orifício axial enquanto mantém o segundo percurso de fluxo.
BRPI0511573-6A 2004-05-26 2005-05-26 ferramenta de perfuração BRPI0511573A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0411749.5A GB0411749D0 (en) 2004-05-26 2004-05-26 Downhole tool
PCT/GB2005/002068 WO2005116393A1 (en) 2004-05-26 2005-05-26 Downhole tool

Publications (1)

Publication Number Publication Date
BRPI0511573A true BRPI0511573A (pt) 2008-01-02

Family

ID=32671089

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0511573-6A BRPI0511573A (pt) 2004-05-26 2005-05-26 ferramenta de perfuração

Country Status (12)

Country Link
US (1) US7500526B2 (pt)
EP (1) EP1749141B1 (pt)
AT (1) ATE468471T1 (pt)
BR (1) BRPI0511573A (pt)
CA (1) CA2567632C (pt)
DE (1) DE602005021343D1 (pt)
DK (1) DK1749141T3 (pt)
EA (1) EA009636B1 (pt)
GB (1) GB0411749D0 (pt)
MX (1) MXPA06013652A (pt)
NO (1) NO336597B1 (pt)
WO (1) WO2005116393A1 (pt)

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Also Published As

Publication number Publication date
CA2567632A1 (en) 2005-12-08
WO2005116393A1 (en) 2005-12-08
EA200602198A1 (ru) 2007-04-27
GB0411749D0 (en) 2004-06-30
EP1749141B1 (en) 2010-05-19
MXPA06013652A (es) 2007-06-14
EA009636B1 (ru) 2008-02-28
CA2567632C (en) 2013-01-08
US7500526B2 (en) 2009-03-10
NO336597B1 (no) 2015-10-05
EP1749141A1 (en) 2007-02-07
DE602005021343D1 (de) 2010-07-01
NO20065999L (no) 2007-02-20
ATE468471T1 (de) 2010-06-15
US20070240883A1 (en) 2007-10-18
DK1749141T3 (da) 2010-09-20

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements