JPS5824693A - 不断流式無噴出遮断工法 - Google Patents
不断流式無噴出遮断工法Info
- Publication number
- JPS5824693A JPS5824693A JP12270181A JP12270181A JPS5824693A JP S5824693 A JPS5824693 A JP S5824693A JP 12270181 A JP12270181 A JP 12270181A JP 12270181 A JP12270181 A JP 12270181A JP S5824693 A JPS5824693 A JP S5824693A
- Authority
- JP
- Japan
- Prior art keywords
- conduit
- upstream
- bag
- bypass pipe
- downstream
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims description 22
- 238000000034 method Methods 0.000 title claims description 15
- 238000011144 upstream manufacturing Methods 0.000 claims description 33
- 238000010926 purge Methods 0.000 claims description 13
- 230000000740 bleeding effect Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 230000032258 transport Effects 0.000 description 13
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 238000005553 drilling Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 241000600169 Maro Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12270181A JPS5824693A (ja) | 1981-08-04 | 1981-08-04 | 不断流式無噴出遮断工法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12270181A JPS5824693A (ja) | 1981-08-04 | 1981-08-04 | 不断流式無噴出遮断工法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5824693A true JPS5824693A (ja) | 1983-02-14 |
JPH0143199B2 JPH0143199B2 (enrdf_load_stackoverflow) | 1989-09-19 |
Family
ID=14842467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12270181A Granted JPS5824693A (ja) | 1981-08-04 | 1981-08-04 | 不断流式無噴出遮断工法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5824693A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63297894A (ja) * | 1987-05-29 | 1988-12-05 | 大阪瓦斯株式会社 | 都市ガスの既設配管の工事方法 |
JPS63297895A (ja) * | 1987-05-29 | 1988-12-05 | 大阪瓦斯株式会社 | 都市ガスの既設配管の工事用バイパス装置 |
-
1981
- 1981-08-04 JP JP12270181A patent/JPS5824693A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63297894A (ja) * | 1987-05-29 | 1988-12-05 | 大阪瓦斯株式会社 | 都市ガスの既設配管の工事方法 |
JPS63297895A (ja) * | 1987-05-29 | 1988-12-05 | 大阪瓦斯株式会社 | 都市ガスの既設配管の工事用バイパス装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0143199B2 (enrdf_load_stackoverflow) | 1989-09-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK2286136T3 (en) | Verifiable and closing a cylindrical passageway locking system | |
US20210172299A1 (en) | Flow control device for production tubing | |
US10801657B2 (en) | Detachable system to shut off pressure flow in pipes | |
JP6130463B2 (ja) | ガス圧力確認装置 | |
JPS5824693A (ja) | 不断流式無噴出遮断工法 | |
JPS5824691A (ja) | 不断流式無噴出遮断工法におけるエアパ−ジ方法 | |
KR200275990Y1 (ko) | 에어백을 이용한 가스배관 차단장치 | |
US4830041A (en) | Reelable flow stopper for plugging fluid flow within a pipe | |
JPH08270898A (ja) | ガス導管におけるバイパス管取り付け時のノーブロー工法 | |
JPS648232B2 (enrdf_load_stackoverflow) | ||
EP0886099B1 (en) | Method for shutting off the gas supply and apparatus for carrying out such method | |
CN114856513A (zh) | 灰岩定向探放水长钻孔防突水防喷装置及方法 | |
JP2002031289A (ja) | 配管敷設工法 | |
JPS5980599A (ja) | ガス導管等の工事連絡部材 | |
JP2008281042A (ja) | 活管分岐遮断工法 | |
JP4656368B2 (ja) | 不断流閉栓方法 | |
JPH0112998B2 (enrdf_load_stackoverflow) | ||
US12044103B2 (en) | Subsurface safety valves, isolation tools, and methods of coupling | |
EP0308050B1 (en) | Device for permitting a first length of previously commissioned main to be extended by connecting a second length of main thereto | |
JP2006275108A (ja) | 既設流体管の不断水制水体設置装置 | |
JP4642522B2 (ja) | 既設流体管の不断水制水体設置装置 | |
JP2019078400A (ja) | バイパス形成装置およびバイパス形成方法 | |
JPH1030749A (ja) | 内面に被覆層を有する既設ガス配管の溶接接続工事方法 | |
JPH0124958B2 (enrdf_load_stackoverflow) | ||
JP2002213680A (ja) | ガス遮断方法 |