JPH0242798Y2 - - Google Patents

Info

Publication number
JPH0242798Y2
JPH0242798Y2 JP8484085U JP8484085U JPH0242798Y2 JP H0242798 Y2 JPH0242798 Y2 JP H0242798Y2 JP 8484085 U JP8484085 U JP 8484085U JP 8484085 U JP8484085 U JP 8484085U JP H0242798 Y2 JPH0242798 Y2 JP H0242798Y2
Authority
JP
Japan
Prior art keywords
lock
hollow cylinder
sleeve
pipe
hole
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
Application number
JP8484085U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61202581U (enrdf_load_stackoverflow
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 filed Critical
Priority to JP8484085U priority Critical patent/JPH0242798Y2/ja
Publication of JPS61202581U publication Critical patent/JPS61202581U/ja
Application granted granted Critical
Publication of JPH0242798Y2 publication Critical patent/JPH0242798Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
JP8484085U 1985-06-05 1985-06-05 Expired JPH0242798Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8484085U JPH0242798Y2 (enrdf_load_stackoverflow) 1985-06-05 1985-06-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8484085U JPH0242798Y2 (enrdf_load_stackoverflow) 1985-06-05 1985-06-05

Publications (2)

Publication Number Publication Date
JPS61202581U JPS61202581U (enrdf_load_stackoverflow) 1986-12-19
JPH0242798Y2 true JPH0242798Y2 (enrdf_load_stackoverflow) 1990-11-14

Family

ID=30634688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8484085U Expired JPH0242798Y2 (enrdf_load_stackoverflow) 1985-06-05 1985-06-05

Country Status (1)

Country Link
JP (1) JPH0242798Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS61202581U (enrdf_load_stackoverflow) 1986-12-19

Similar Documents

Publication Publication Date Title
US5113940A (en) Well apparatuses and anti-rotation device for well apparatuses
US4182519A (en) Resilient sealing ring
US2177601A (en) Casing packer
US4158388A (en) Method of and apparatus for squeeze cementing in boreholes
AU769409B2 (en) Anti-rotation device for use with well tools
CA2662945C (en) Swellable packer construction
CA2021518A1 (en) Liner isolation and well completion system
US5782310A (en) Dry hollow stem augers
US5839524A (en) Quick release locking drill rod and assembly
CA2560354A1 (en) System, method, and apparatus for degassing tool for coal bed methane gas wells
CN101560875B (zh) 水平井完井管柱装置
US5816326A (en) Uphole disposal tool for water producing gas wells
JPH0242798Y2 (enrdf_load_stackoverflow)
US4260283A (en) De-watering system
US3874466A (en) Core tube placement and retrieval
US3587740A (en) Apparatus for use in deviated wells
US2864629A (en) Threaded coupling having staggered rows of wedge pins
US2253415A (en) Means for centering tubular well strings
US10214987B2 (en) Downhole tool with integrated scale removal feature
US5503031A (en) Ground water sampling device
US1199029A (en) Release-joint for well-casings.
CN210033368U (zh) 一种水泥承留器
US5195584A (en) Sealing apparatus for repairing breaches in casing
KR100460126B1 (ko) 지하수 심정용 그라우팅 파이프 장치
US3340932A (en) Sub-surface connector for plural tubing elements