JPS6442415U - - Google Patents
Info
- Publication number
- JPS6442415U JPS6442415U JP13873487U JP13873487U JPS6442415U JP S6442415 U JPS6442415 U JP S6442415U JP 13873487 U JP13873487 U JP 13873487U JP 13873487 U JP13873487 U JP 13873487U JP S6442415 U JPS6442415 U JP S6442415U
- Authority
- JP
- Japan
- Prior art keywords
- tunneling machine
- transmitting coil
- shield tunneling
- receiver
- electromagnetic induction
- 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.)
- Pending
Links
- 230000005674 electromagnetic induction Effects 0.000 claims description 4
- 230000005641 tunneling Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13873487U JPS6442415U (enrdf_load_stackoverflow) | 1987-09-09 | 1987-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13873487U JPS6442415U (enrdf_load_stackoverflow) | 1987-09-09 | 1987-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6442415U true JPS6442415U (enrdf_load_stackoverflow) | 1989-03-14 |
Family
ID=31401348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13873487U Pending JPS6442415U (enrdf_load_stackoverflow) | 1987-09-09 | 1987-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6442415U (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03246483A (ja) * | 1990-02-26 | 1991-11-01 | Kajima Corp | シールド接合又は到達位置計測方法およびその装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS625116A (ja) * | 1985-07-01 | 1987-01-12 | Hitachi Constr Mach Co Ltd | 堀進機の位置検出装置 |
| JPS62106313A (ja) * | 1985-11-05 | 1987-05-16 | Nippon Telegr & Teleph Corp <Ntt> | 掘削ヘツド位置姿勢計測方法および装置 |
-
1987
- 1987-09-09 JP JP13873487U patent/JPS6442415U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS625116A (ja) * | 1985-07-01 | 1987-01-12 | Hitachi Constr Mach Co Ltd | 堀進機の位置検出装置 |
| JPS62106313A (ja) * | 1985-11-05 | 1987-05-16 | Nippon Telegr & Teleph Corp <Ntt> | 掘削ヘツド位置姿勢計測方法および装置 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03246483A (ja) * | 1990-02-26 | 1991-11-01 | Kajima Corp | シールド接合又は到達位置計測方法およびその装置 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4714881A (en) | Nuclear magnetic resonance borehole logging tool | |
| EP0368762B1 (en) | Multifrequency signal transmitter for an array induction well logging apparatus | |
| AU2004211663B2 (en) | Measuring equipment and method for mapping the geology in an underground formation | |
| US4572293A (en) | Method of placing magnetic markers on collarless cased wellbores | |
| CN105240002B (zh) | 基于多天线激励方式的三维核磁共振测井仪 | |
| CA2318390A1 (en) | Electromagnetic logging tool with reflector for directional sensing | |
| US20110227578A1 (en) | Induction Resistivity Tool that Generates Directed Induced Fields | |
| CN111173451A (zh) | 一种非开挖井下导向系统 | |
| US3845381A (en) | High-resolution magnetic anomaly detector for well bore piping | |
| JPS59170392A (ja) | 掘削シリンダの磁化作用の自動補償装置 | |
| CN209979870U (zh) | 一种基于电磁感应原理的孔中扫描探测装置 | |
| JPS6442415U (enrdf_load_stackoverflow) | ||
| CN204627589U (zh) | 矿用随钻式钻孔轨迹测量系统 | |
| JPS5690210A (en) | Measurement device for position and posture angle of underground boring machine | |
| CN211692312U (zh) | 一种非开挖井下导向系统 | |
| Dang et al. | Multi-coil array for long-distance cross-well electromagnetic detection | |
| CN113740919A (zh) | 一种深埋电力管线探测方法及装置 | |
| JPS60173008U (ja) | 土中推進穿孔機用水平位置検知装置 | |
| JPH0365986U (enrdf_load_stackoverflow) | ||
| GB936461A (en) | Apparatus for depth measurement in cased boreholes | |
| JPS6348112U (enrdf_load_stackoverflow) | ||
| JPH0711580B2 (ja) | 金属探知方法及びその装置 | |
| SU916756A1 (ru) | Способ измерения деформаций в массиве горных пород 1 | |
| US20240200439A1 (en) | Downhole sensor assembly for alignment measurement | |
| JPS6374230A (ja) | 地中通信装置 |