OA07845A - Method and apparatus for sealing a well casing. - Google Patents

Method and apparatus for sealing a well casing.

Info

Publication number
OA07845A
OA07845A OA58422A OA58422A OA07845A OA 07845 A OA07845 A OA 07845A OA 58422 A OA58422 A OA 58422A OA 58422 A OA58422 A OA 58422A OA 07845 A OA07845 A OA 07845A
Authority
OA
OAPI
Prior art keywords
sealing
well casing
casing
well
Prior art date
Application number
OA58422A
Other languages
English (en)
Inventor
Hoppe Joachim Albert
Wambaugh John Olson
Shonrock Clinton
Original Assignee
Schlumberger 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
Priority claimed from US06/544,658 external-priority patent/US4554973A/en
Application filed by Schlumberger Ltd filed Critical Schlumberger Ltd
Publication of OA07845A publication Critical patent/OA07845A/xx

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
    • E21B33/1208—Packers; Plugs characterised by the construction of the sealing or packing means
    • E21B33/1216—Anti-extrusion means, e.g. means to prevent cold flow of rubber packing
    • 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
    • E21B33/128—Packers; Plugs with a member expanded radially by axial pressure
    • 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
    • E21B33/1293—Packers; Plugs with mechanical slips for hooking into the casing with means for anchoring against downward and upward movement
    • 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
    • E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
    • E21B33/134—Bridging plugs

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)
OA58422A 1983-10-24 1984-10-24 Method and apparatus for sealing a well casing. OA07845A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54465983A 1983-10-24 1983-10-24
US06/544,658 US4554973A (en) 1983-10-24 1983-10-24 Apparatus for sealing a well casing

Publications (1)

Publication Number Publication Date
OA07845A true OA07845A (en) 1986-11-20

Family

ID=27067690

Family Applications (1)

Application Number Title Priority Date Filing Date
OA58422A OA07845A (en) 1983-10-24 1984-10-24 Method and apparatus for sealing a well casing.

Country Status (4)

Country Link
BR (1) BR8405402A (da)
DK (1) DK505484A (da)
MX (1) MX161012A (da)
OA (1) OA07845A (da)

Also Published As

Publication number Publication date
DK505484D0 (da) 1984-10-23
BR8405402A (pt) 1985-09-03
MX161012A (es) 1990-06-29
DK505484A (da) 1985-04-25

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