JPS624613Y2 - - Google Patents

Info

Publication number
JPS624613Y2
JPS624613Y2 JP1980160688U JP16068880U JPS624613Y2 JP S624613 Y2 JPS624613 Y2 JP S624613Y2 JP 1980160688 U JP1980160688 U JP 1980160688U JP 16068880 U JP16068880 U JP 16068880U JP S624613 Y2 JPS624613 Y2 JP S624613Y2
Authority
JP
Japan
Prior art keywords
pipe
rubber
expansion tube
outside
feed pipe
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
JP1980160688U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5785091U (h
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 JP1980160688U priority Critical patent/JPS624613Y2/ja
Publication of JPS5785091U publication Critical patent/JPS5785091U/ja
Application granted granted Critical
Publication of JPS624613Y2 publication Critical patent/JPS624613Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
JP1980160688U 1980-11-10 1980-11-10 Expired JPS624613Y2 (h)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980160688U JPS624613Y2 (h) 1980-11-10 1980-11-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980160688U JPS624613Y2 (h) 1980-11-10 1980-11-10

Publications (2)

Publication Number Publication Date
JPS5785091U JPS5785091U (h) 1982-05-26
JPS624613Y2 true JPS624613Y2 (h) 1987-02-02

Family

ID=29519655

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980160688U Expired JPS624613Y2 (h) 1980-11-10 1980-11-10

Country Status (1)

Country Link
JP (1) JPS624613Y2 (h)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5432961Y2 (h) * 1977-10-03 1979-10-12

Also Published As

Publication number Publication date
JPS5785091U (h) 1982-05-26

Similar Documents

Publication Publication Date Title
US3038542A (en) Tester apparatus for oil wells or the like
WO2004111380A3 (en) Wellhead assembly with pressure actuated seal assembly and running tool
US3967679A (en) Mud saver valve
CN206376814U (zh) 封隔器
CN201412140Y (zh) 顺层孔测定煤层瓦斯压力装置
CN101824999A (zh) 穿层孔测定煤层瓦斯压力技术
CN112412388A (zh) 一种可复用式的瓦斯钻孔两堵一注一体式坐封封隔器
US2284869A (en) Blowout preventer
CN112412387B (zh) 一种可复用式的瓦斯钻孔两堵一注一体式液压封隔器
JPS624613Y2 (h)
CN113481986B (zh) 一种溶岩地区的抗浮锚杆施工方法
US2194258A (en) Ram with laminated plates
US3958648A (en) Drilling equipment
EP0367505A3 (en) Pressure monitoring apparatus and method
CN110821460A (zh) 可钻分层注水工艺管柱
CN106639962A (zh) 一种基于膨胀剂的二次封孔测压装置
CN211058785U (zh) 可钻分层注水工艺管柱
CN216406767U (zh) 井下底抽巷瓦斯抽采钻孔两堵一注型防滑落封孔器
CN206158663U (zh) 一种小直径双活塞地面液控压缩封隔器
CN211851762U (zh) 一种满足分段压裂施工要求的油井分段封隔器
US1816243A (en) Well cementing plug
US1827842A (en) Well packer
CN105926568A (zh) 一种钻孔埋设测斜管的配套加固装置和方法
CN109505525B (zh) 一种锚杆钻机使用的钎杆与钎尾密封结构
US1961762A (en) Rotary drill pipe collar or coupling with sealed joints