JPS6235743Y2 - - Google Patents
Info
- Publication number
- JPS6235743Y2 JPS6235743Y2 JP16235082U JP16235082U JPS6235743Y2 JP S6235743 Y2 JPS6235743 Y2 JP S6235743Y2 JP 16235082 U JP16235082 U JP 16235082U JP 16235082 U JP16235082 U JP 16235082U JP S6235743 Y2 JPS6235743 Y2 JP S6235743Y2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- oil
- shaft
- drain
- hydraulic
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 19
- 239000003921 oil Substances 0.000 description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000009412 basement excavation Methods 0.000 description 10
- 239000010720 hydraulic oil Substances 0.000 description 10
- 230000005484 gravity Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000004576 sand Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16235082U JPS58111281U (ja) | 1982-10-28 | 1982-10-28 | 水中軸封装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16235082U JPS58111281U (ja) | 1982-10-28 | 1982-10-28 | 水中軸封装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58111281U JPS58111281U (ja) | 1983-07-29 |
JPS6235743Y2 true JPS6235743Y2 (en, 2012) | 1987-09-10 |
Family
ID=30101979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16235082U Granted JPS58111281U (ja) | 1982-10-28 | 1982-10-28 | 水中軸封装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58111281U (en, 2012) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4633454B2 (ja) * | 2004-12-17 | 2011-02-16 | 株式会社 北斗工業 | 掘削装置 |
-
1982
- 1982-10-28 JP JP16235082U patent/JPS58111281U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58111281U (ja) | 1983-07-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7806203B2 (en) | Active controlled bottomhole pressure system and method with continuous circulation system | |
US4176985A (en) | System and method for installing production casings | |
BRPI0212667B1 (pt) | sistema de perfuração e método para perfurar um furo de poço | |
US7174975B2 (en) | Control systems and methods for active controlled bottomhole pressure systems | |
US10724315B2 (en) | Modified pumped riser solution | |
US8011450B2 (en) | Active bottomhole pressure control with liner drilling and completion systems | |
US20040256161A1 (en) | Modular design for downhole ECD-management devices and related methods | |
WO2006138565A1 (en) | Active controlled bottomhole pressure system and method with continuous circulation system | |
AU2002325045A1 (en) | Active controlled bottomhole pressure system and method | |
KR101238454B1 (ko) | 개방형 지중 열교환기용 밀폐식 상부보호공 환수햇더장치 | |
CN201818257U (zh) | 一种井筒压力管理系统 | |
CN111622697B (zh) | 一种深海双层管井底三通道压力控制系统及控制方法 | |
JPS6235743Y2 (en, 2012) | ||
JPS62312B2 (en, 2012) | ||
US9322230B2 (en) | Direct drive fluid pump for subsea mudlift pump drilling systems | |
CN221299059U (zh) | 一种防缩垮旋挖钻孔桩施工结构 | |
JPS6226389B2 (en, 2012) | ||
JPS6020596B2 (ja) | 水中ポンプの軸封装置 | |
CN201110665Y (zh) | 强力防堵塞自动排污护壁型回灌装置 | |
JPS62313B2 (en, 2012) | ||
CN117072077A (zh) | 液力举升多梯度钻井管柱、钻井系统及钻井方法 | |
US20240328260A1 (en) | Fluid operated motor for running casing with bypass for pumping lost circulation material | |
JP7449636B2 (ja) | 泥水式シールド掘進機 | |
SU1583584A1 (ru) | Способ бурени скважин в малоустойчивых и низкотемпературных породах и устройство дл его осуществлени | |
JPS5941271Y2 (ja) | シ−ルド掘進機 |