ATE58777T1 - Rueckholbarer doppelpacker. - Google Patents

Rueckholbarer doppelpacker.

Info

Publication number
ATE58777T1
ATE58777T1 AT86301618T AT86301618T ATE58777T1 AT E58777 T1 ATE58777 T1 AT E58777T1 AT 86301618 T AT86301618 T AT 86301618T AT 86301618 T AT86301618 T AT 86301618T AT E58777 T1 ATE58777 T1 AT E58777T1
Authority
AT
Austria
Prior art keywords
assembly
packer
hydraulic
bypass
slip
Prior art date
Application number
AT86301618T
Other languages
English (en)
Inventor
Robert Terrell Evans
Original Assignee
Halliburton Co
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 Halliburton Co filed Critical Halliburton Co
Application granted granted Critical
Publication of ATE58777T1 publication Critical patent/ATE58777T1/de

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
    • E21B33/12—Packers; Plugs
    • E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
    • E21B33/1295—Packers; Plugs with mechanical slips for hooking into the casing actuated by fluid pressure
    • E21B33/12955—Packers; Plugs with mechanical slips for hooking into the casing actuated by fluid pressure using drag blocks frictionally engaging the inner wall of the well
    • 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
    • E21B33/12—Packers; Plugs
    • E21B33/124—Units with longitudinally-spaced plugs for isolating the intermediate space
    • 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
    • E21B33/12—Packers; Plugs
    • E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
    • E21B33/1291—Packers; Plugs with mechanical slips for hooking into the casing anchor set by wedge or cam in combination with frictional effect, using so-called drag-blocks
    • 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
    • E21B33/12—Packers; Plugs
    • E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
    • E21B33/1294—Packers; Plugs with mechanical slips for hooking into the casing characterised by a valve, e.g. a by-pass valve

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Piles And Underground Anchors (AREA)
AT86301618T 1985-03-26 1986-03-06 Rueckholbarer doppelpacker. ATE58777T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/716,019 US4590995A (en) 1985-03-26 1985-03-26 Retrievable straddle packer
EP86301618A EP0196796B1 (de) 1985-03-26 1986-03-06 Rückholbarer Doppelpacker

Publications (1)

Publication Number Publication Date
ATE58777T1 true ATE58777T1 (de) 1990-12-15

Family

ID=24876399

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86301618T ATE58777T1 (de) 1985-03-26 1986-03-06 Rueckholbarer doppelpacker.

Country Status (6)

Country Link
US (1) US4590995A (de)
EP (1) EP0196796B1 (de)
AT (1) ATE58777T1 (de)
CA (1) CA1246999A (de)
DE (1) DE3675797D1 (de)
SG (1) SG9891G (de)

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Also Published As

Publication number Publication date
EP0196796A2 (de) 1986-10-08
EP0196796A3 (en) 1988-04-20
DE3675797D1 (de) 1991-01-10
CA1246999A (en) 1988-12-20
SG9891G (en) 1991-04-05
US4590995A (en) 1986-05-27
EP0196796B1 (de) 1990-11-28

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