JPS61254793A - 掘削孔位置の検出方法 - Google Patents

掘削孔位置の検出方法

Info

Publication number
JPS61254793A
JPS61254793A JP9380985A JP9380985A JPS61254793A JP S61254793 A JPS61254793 A JP S61254793A JP 9380985 A JP9380985 A JP 9380985A JP 9380985 A JP9380985 A JP 9380985A JP S61254793 A JPS61254793 A JP S61254793A
Authority
JP
Japan
Prior art keywords
magnetic sensor
excavation
detecting
machine
borehole
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
Application number
JP9380985A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0444072B2 (enrdf_load_stackoverflow
Inventor
前田　正武
博司 古川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ohbayashi Gumi Ltd
Obayashi Corp
Original Assignee
Ohbayashi Gumi Ltd
Obayashi Corp
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 by Ohbayashi Gumi Ltd, Obayashi Corp filed Critical Ohbayashi Gumi Ltd
Priority to JP9380985A priority Critical patent/JPS61254793A/ja
Publication of JPS61254793A publication Critical patent/JPS61254793A/ja
Publication of JPH0444072B2 publication Critical patent/JPH0444072B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP9380985A 1985-05-02 1985-05-02 掘削孔位置の検出方法 Granted JPS61254793A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9380985A JPS61254793A (ja) 1985-05-02 1985-05-02 掘削孔位置の検出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9380985A JPS61254793A (ja) 1985-05-02 1985-05-02 掘削孔位置の検出方法

Publications (2)

Publication Number Publication Date
JPS61254793A true JPS61254793A (ja) 1986-11-12
JPH0444072B2 JPH0444072B2 (enrdf_load_stackoverflow) 1992-07-20

Family

ID=14092728

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9380985A Granted JPS61254793A (ja) 1985-05-02 1985-05-02 掘削孔位置の検出方法

Country Status (1)

Country Link
JP (1) JPS61254793A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991014079A1 (en) * 1990-03-08 1991-09-19 Kabushiki Kaisha Komatsu Seisakusho System for detecting position of underground excavator and magnetic field producing cable
JPH03260280A (ja) * 1990-03-12 1991-11-20 Komatsu Ltd シールド掘進機の位置検出装置
JPH0460094A (ja) * 1990-06-28 1992-02-26 Ohbayashi Corp シールド掘進機位置の検出方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991014079A1 (en) * 1990-03-08 1991-09-19 Kabushiki Kaisha Komatsu Seisakusho System for detecting position of underground excavator and magnetic field producing cable
US5240350A (en) * 1990-03-08 1993-08-31 Kabushiki Kaisha Komatsu Seisakusho Apparatus for detecting position of underground excavator and magnetic field producing cable
EP0718465A1 (en) * 1990-03-08 1996-06-26 Kabushiki Kaisha Komatsu Seisakusho Magnetic field producing cable for an underground excavator
JPH03260280A (ja) * 1990-03-12 1991-11-20 Komatsu Ltd シールド掘進機の位置検出装置
JPH0460094A (ja) * 1990-06-28 1992-02-26 Ohbayashi Corp シールド掘進機位置の検出方法

Also Published As

Publication number Publication date
JPH0444072B2 (enrdf_load_stackoverflow) 1992-07-20

Similar Documents

Publication Publication Date Title
CA2187487C (en) Rotating magnet for distance and direction measurements
EP1442320B1 (en) Relative drill bit direction measurement
CN104343438B (zh) 测量钻井相对距离的旋转磁场测距仪及其测量方法
US5343152A (en) Electromagnetic homing system using MWD and current having a funamental wave component and an even harmonic wave component being injected at a target well
JP3466625B2 (ja) 独立した地中ボーリング機械の位置決め
US7260479B2 (en) Method for locating casing joints using measurement while drilling tool
US20080230273A1 (en) Instantaneous measurement of drillstring orientation
US20090166035A1 (en) Borehole Imaging and Orientation of Downhole Tools
CN111173451A (zh) 一种非开挖井下导向系统
AU2009271480A1 (en) System and method for employing alternating regions of magnetic and non-magnetic casing in magnetic ranging applications
US11299979B2 (en) Magnetic distance and direction measurements from a first borehole to a second borehole
US20060065441A1 (en) Single solenoid guide system
JPS61254793A (ja) 掘削孔位置の検出方法
CN114658423B (zh) 一种用于磁屏蔽模式下的主动磁测量系统及方法
JP2010078585A (ja) 磁性材料埋設物の位置探査方法
JPS62266484A (ja) 磁気センサ−を用いた掘進管先端位置探査方法
CN211692312U (zh) 一种非开挖井下导向系统
JPS58160492A (ja) 掘削孔の計測表示方法
JPS62288297A (ja) 掘削孔位置の検出方法
JPH0468191A (ja) シールド掘進機の位置検出方法
GB2070105A (en) Equipment for Drilling a Hole in Underground Formations and Downhole Motor Adapted to Form Part of Such Equipment
JPH03257321A (ja) 地中掘削機の相対位置検出装置
JP2543231B2 (ja) シ―ルド掘進機位置の検出方法
JPS6374230A (ja) 地中通信装置
JPH04131493A (ja) シールド機接合又は到達位置計測方法及びその装置