JPH0529756B2 - - Google Patents

Info

Publication number
JPH0529756B2
JPH0529756B2 JP63088369A JP8836988A JPH0529756B2 JP H0529756 B2 JPH0529756 B2 JP H0529756B2 JP 63088369 A JP63088369 A JP 63088369A JP 8836988 A JP8836988 A JP 8836988A JP H0529756 B2 JPH0529756 B2 JP H0529756B2
Authority
JP
Japan
Prior art keywords
packing
mandrel
assembly
casing
packing element
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
JP63088369A
Other languages
English (en)
Japanese (ja)
Other versions
JPS641892A (en
JPH011892A (ja
Inventor
Efu Beirii Toomasu
Ii Kyanberu Jon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DORIRETSUKUSU SHISUTEMUZU Inc
Original Assignee
DORIRETSUKUSU SHISUTEMUZU 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 DORIRETSUKUSU SHISUTEMUZU Inc filed Critical DORIRETSUKUSU SHISUTEMUZU Inc
Publication of JPS641892A publication Critical patent/JPS641892A/ja
Publication of JPH011892A publication Critical patent/JPH011892A/ja
Publication of JPH0529756B2 publication Critical patent/JPH0529756B2/ja
Granted legal-status Critical Current

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
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock

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)
  • Earth Drilling (AREA)
  • Joining Of Building Structures In Genera (AREA)
JP63-88369A 1987-04-13 1988-04-12 パッキング集合体 Granted JPH011892A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/037,517 US4765404A (en) 1987-04-13 1987-04-13 Whipstock packer assembly
US037517 1987-04-13

Publications (3)

Publication Number Publication Date
JPS641892A JPS641892A (en) 1989-01-06
JPH011892A JPH011892A (ja) 1989-01-06
JPH0529756B2 true JPH0529756B2 (en, 2012) 1993-05-06

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010518279A (ja) * 2007-02-05 2010-05-27 ジェオセルヴィス・エキップマン 液体循環パイプ内に挿入されるマンドレルおよび関連する位置決め方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010518279A (ja) * 2007-02-05 2010-05-27 ジェオセルヴィス・エキップマン 液体循環パイプ内に挿入されるマンドレルおよび関連する位置決め方法

Also Published As

Publication number Publication date
FR2613766B1 (fr) 1990-09-14
DE3812269A1 (de) 1988-11-03
JPS641892A (en) 1989-01-06
NO881569L (no) 1988-10-14
GB2203469B (en) 1991-03-06
NO881569D0 (no) 1988-04-12
FR2613766A1 (fr) 1988-10-14
CN1014334B (zh) 1991-10-16
CA1280362C (en) 1991-02-19
GB2203469A (en) 1988-10-19
GB8806708D0 (en) 1988-04-20
US4765404A (en) 1988-08-23
CN88102073A (zh) 1988-10-26
BR8801744A (pt) 1988-11-16

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