BR8202077A - Processo e aparelho para o controle da comunicacao entre o anel de um poco e o furo de uma coluna de tubo - Google Patents

Processo e aparelho para o controle da comunicacao entre o anel de um poco e o furo de uma coluna de tubo

Info

Publication number
BR8202077A
BR8202077A BR8202077A BR8202077A BR8202077A BR 8202077 A BR8202077 A BR 8202077A BR 8202077 A BR8202077 A BR 8202077A BR 8202077 A BR8202077 A BR 8202077A BR 8202077 A BR8202077 A BR 8202077A
Authority
BR
Brazil
Prior art keywords
poco
ring
communication
hole
control
Prior art date
Application number
BR8202077A
Other languages
English (en)
Inventor
James M Upchurch
Original Assignee
Schlumberger Technology Corp
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 Schlumberger Technology Corp filed Critical Schlumberger Technology Corp
Publication of BR8202077A publication Critical patent/BR8202077A/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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/004—Indexing systems for guiding relative movement between telescoping parts of downhole tools
    • E21B23/006—"J-slot" systems, i.e. lug and slot indexing mechanisms
    • 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
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Multiple-Way Valves (AREA)
  • Fluid-Driven Valves (AREA)
BR8202077A 1981-04-13 1982-04-12 Processo e aparelho para o controle da comunicacao entre o anel de um poco e o furo de uma coluna de tubo BR8202077A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/253,786 US4403659A (en) 1981-04-13 1981-04-13 Pressure controlled reversing valve

Publications (1)

Publication Number Publication Date
BR8202077A true BR8202077A (pt) 1983-03-22

Family

ID=22961696

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8202077A BR8202077A (pt) 1981-04-13 1982-04-12 Processo e aparelho para o controle da comunicacao entre o anel de um poco e o furo de uma coluna de tubo

Country Status (8)

Country Link
US (1) US4403659A (pt)
EP (1) EP0063519B1 (pt)
AU (1) AU551931B2 (pt)
BR (1) BR8202077A (pt)
CA (1) CA1186618A (pt)
DE (1) DE3279768D1 (pt)
ES (1) ES511246A0 (pt)
MX (1) MX157014A (pt)

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Also Published As

Publication number Publication date
ES8307979A1 (es) 1983-07-01
EP0063519A3 (en) 1985-05-08
CA1186618A (en) 1985-05-07
MX157014A (es) 1988-10-19
US4403659A (en) 1983-09-13
EP0063519B1 (en) 1989-06-14
AU8247982A (en) 1983-04-21
ES511246A0 (es) 1983-07-01
AU551931B2 (en) 1986-05-15
EP0063519A2 (en) 1982-10-27
DE3279768D1 (en) 1989-07-20

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Legal Events

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