BR9908000A - Hélice de tração eletro-hidraulicamente controlada - Google Patents

Hélice de tração eletro-hidraulicamente controlada

Info

Publication number
BR9908000A
BR9908000A BR9908000-1A BR9908000A BR9908000A BR 9908000 A BR9908000 A BR 9908000A BR 9908000 A BR9908000 A BR 9908000A BR 9908000 A BR9908000 A BR 9908000A
Authority
BR
Brazil
Prior art keywords
propulsion
claw
traction propeller
pistons
electro
Prior art date
Application number
BR9908000-1A
Other languages
English (en)
Inventor
Ronald E Beaufort
Duane Bloom
Norman Bruce Moore
Original Assignee
Western Well Tool 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 Western Well Tool Inc filed Critical Western Well Tool Inc
Publication of BR9908000A publication Critical patent/BR9908000A/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/18—Anchoring or feeding 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/001—Self-propelling systems or apparatus, e.g. for moving tools within the horizontal portion of a 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/04—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Motor Power Transmission Devices (AREA)

Abstract

"HéLICE DE TRAçãO ELETRO-HIDRAULICAMENTE CONTROLADA". Uma hélice de tração (20) para movimento no interior de uma perfuração compreendendo um corpo e duas estruturas de propulsão (24, 26), que podem ser longitudinalmente engatadas de forma móvel ao corpo. O corpo da hélice de tração possui pistons anelares (34, 36, 38, 40), configurados para receber um impulso hidráulico para propelir o corpo longitudinalmente. Cada estrutura de propulsão inclui uma garra (42, 52) e cilindros de propulsão (44, 46, 48, 50). A garra apresenta uma posição acionada, na qual esta garra limita o movimento relativo entre a mesma e a superfície do orifício e uma posição retraída, na qual a garra permite um movimento relativo livre entre esta e a superfície interna do orifício. Cada cilindro de propulsão contém um dos pistons. A hélice de tração inclui uma estrutura de controle (30), apresentando válvulas e um circuito hidráulico que controla a seq³ência de distribuição do fluido para os cilindros de propulsão, e o acionamento e a retração das garras. Uma válvula de regulagem (54) controla a vazão aos pistons.
BR9908000-1A 1998-12-18 1999-12-17 Hélice de tração eletro-hidraulicamente controlada BR9908000A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11283398P 1998-12-18 1998-12-18
PCT/US1999/030290 WO2000036266A1 (en) 1998-12-18 1999-12-17 Electro-hydraulically controlled tractor

Publications (1)

Publication Number Publication Date
BR9908000A true BR9908000A (pt) 2002-01-15

Family

ID=22346072

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9908000-1A BR9908000A (pt) 1998-12-18 1999-12-17 Hélice de tração eletro-hidraulicamente controlada

Country Status (8)

Country Link
US (2) US6241031B1 (pt)
AU (1) AU743946B2 (pt)
BR (1) BR9908000A (pt)
CA (1) CA2321072C (pt)
DK (1) DK200001201A (pt)
GB (2) GB2351308B (pt)
NO (1) NO317197B1 (pt)
WO (1) WO2000036266A1 (pt)

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Also Published As

Publication number Publication date
NO317197B1 (no) 2004-09-13
GB2351308B (en) 2003-05-28
GB0300216D0 (en) 2003-02-05
GB2380755B (en) 2003-05-28
NO20003926L (no) 2000-10-11
AU743946B2 (en) 2002-02-07
AU2482000A (en) 2000-07-03
US20020007971A1 (en) 2002-01-24
CA2321072A1 (en) 2000-06-22
NO20003926D0 (no) 2000-08-02
GB2380755A (en) 2003-04-16
GB2351308A (en) 2000-12-27
WO2000036266A1 (en) 2000-06-22
US6427786B2 (en) 2002-08-06
DK200001201A (da) 2000-10-13
GB0019447D0 (en) 2000-09-27
US6241031B1 (en) 2001-06-05
CA2321072C (en) 2005-04-12

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFIRO O PRESENTE PEDIDO COM BASE NO ART. 8O EM VISTA DO ART. 13 DA LEI DA PROPRIEDADE INDUSTRIAL NO 9.279 DE 14/05/1996.