DEvIcE FOr GeOPHySIcaL PROSPECtInG

  • A geophysical device for automation of multielectrode ...

    A self-contained unit used in the resistance method of the geophysical electrical prospecting in order to switch two supply and two receiving lines with 24 electrodes installed on the Earth’s surface is described. The possibility of connecting in series several devices and their soft-and hardware interfacing to the control personal computer allows the number of electrodes to be

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  • General Geophysical Devices | Tristan Technologies, Inc.

    Tristan’s model G377 3-axis (Bx, By, Bz) 77K Geophysical Magnetometer SQUID System [see HTS Geo Syst ems.pdf ] is specifically designed for MT and other passive measurements. It offers high sensitivity (better than 50 fT/rt-Hz), wide

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  • APPARATUS FOR MEASURING ELECTRICAL RESISTANCE

    The device for geophysical prospecting of rocks with the help of radiotelegraph signals transmitted by a radio station (not shown in FIG. 1) comprises a sensor 1 of electric field strength and a sensor 2 of magnetic field strength connected to the inputs of selective amplifiers 3 and 4 respectively. The functions of such amplifiers can be ...

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  • GI - Internet-of-things-based four-dimensional high ...

    Abstract. The high-density electrical method is a primary method used in shallow geophysical prospecting. Due to the rapid industrial development that has taken place in recent years, the function and performance of high-density electrical instruments have been considerably improved in several aspects.

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  • A Geological-Geophysical Prospecting Model for Deep

    2021-12-9 · The North China Craton is one of China’s major gold-producing areas. Breakthroughs have been continually made in deep prospecting at depths of 500–2000 m in the Jiaodong Peninsula, and geophysical methods have played an important role. Given that the geophysical signals of deep-seated gold deposits are difficult to detect, due to their thick overburden

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  • Seismic wave generator and method of geophysical ...

    The method of use of the device 10 in seismic prospecting is schematically illustrated in FIG. 4. As shown in FIG. 4a, the device 10 is first prepared for firing by adjusting the angle of the barrel 20 within a range of from about 15° to about 30° with respect to the horizontal. The device is then fired and the resultant seismic waves are ...

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  • Ajax Detection | Metal & Water detectors technology

    OMEGA. The first long range geophysical detecting device for searching and prospecting underground water, and locating its position with the ability to find the type and depth. detects depths up to 500 meters with horizontal range of 2850 meters. Read more. ELECTRA.

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  • SURFACE GEOPHYSICAL INVESTIGATIONS

    2015-10-5 · seismic and electrical resistivity surveys were used for dam siting studies. A seismic survey was performed in the 1950s in St. Peter’s Basilica to locate buried catacombs prior to a renovation project. From the late 1950s until the present time, geophysical techniques have had an increasing role in both groundwater exploration

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  • shandong geological&mineral equipment ltd corp

    Honor. ShangDong Geological&Mineral Equipment Ltd Corp was established in 1992 which consists of sales department,processing plant, geophysical prospecting instrument,measuring instrument, lab instrument, oceaneering device; We are located in East of Jinan city, capital of ShanDong Province, 30000 square meters area.

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  • 高密度电法不同装置的勘探效果对比-【维普期刊官网】- 中文 ...

    出处 《物探装备》 2009年第1期52-55,67,共5页 Equipment for Geophysical Prospecting 关键词 高密度电法 温纳装置 施伦贝尔1装置 温施1装置 high-density electrical prospecting, Wenner device, Schlumbeger-1 device, Wenner-Schlumberger 分类号 P631.3 [天文 ...

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  • A geophysical device for automation of multielectrode ...

    A self-contained unit used in the resistance method of the geophysical electrical prospecting in order to switch two supply and two receiving lines with 24 electrodes installed on the Earth’s surface is described. The possibility of connecting in series several devices and their soft-and hardware interfacing to the control personal computer allows the number of electrodes to be

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  • Seismic wave generator and method of geophysical ...

    The method of use of the device 10 in seismic prospecting is schematically illustrated in FIG. 4. As shown in FIG. 4a, the device 10 is first prepared for firing by adjusting the angle of the barrel 20 within a range of from about 15° to about 30° with respect to the horizontal. The device is then fired and the resultant seismic waves are ...

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  • A Geological-Geophysical Prospecting Model for Deep

    2021-12-9 · The North China Craton is one of China’s major gold-producing areas. Breakthroughs have been continually made in deep prospecting at depths of 500–2000 m in the Jiaodong Peninsula, and geophysical methods have played an important role. Given that the geophysical signals of deep-seated gold deposits are difficult to detect, due to their thick overburden

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  • IoT -based 4 -dimensional high -density electrical ...

    2021-3-11 · 1 IoT -based 4 -dimensional high -density electrical instrument for geophysical prospecting Keyu Zhou 1, Qisheng Zhang 1, Yong dong Liu 2, Zhen Wu 1, Zucan Lin 1, Bentian Zhao 1, Xingyuan Jiang 1, Pengyu Li 1 5 1 School of Geophysics and Information Technology, China University of Geosciences (Beijing), Beijing, China 2 Beijing G eoscience Exploration

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  • Ajax Detection | Metal & Water detectors technology

    OMEGA. The first long range geophysical detecting device for searching and prospecting underground water, and locating its position with the ability to find the type and depth. detects depths up to 500 meters with horizontal range of 2850 meters. Read more. ELECTRA.

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  • US2807777A - Coil assembly for geophysical prospecting ...

    US2807777A US595573A US59557345A US2807777A US 2807777 A US2807777 A US 2807777A US 595573 A US595573 A US 595573A US 59557345 A US59557345 A US 59557345A US 2807777 A US2807777 A US 2807777A Authority US United States Prior art keywords coil coils earth coil assembly assembly Prior art date 1945-05-24 Legal status (The

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  • Method and device for seismic prospecting of the subsoil ...

    2010-6-10 · NO-345753-B1 chemical patent summary.

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  • Seismic prospecting method and device using

    Seismic prospecting method and device using simultaneous emission of seismic signals obtained by coding a signal by pseudo-random sequences, and notably a periodic signal phase modulated by such sequences. Signals such as, for example, periodic signals phase modulated according to a pseudo-random code (binary for example), produced by a control ...

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  • Non-polarizing electrode system for geophysical ...

    A method for geophysical prospecting, well logging, and the like, wherein a non-polarizing electrode system is employed comprising the steps of: connecting a first adjacent pair of electrodes to opposite ends of a first secondary winding of an alternating current transformer; connecting second, third, and fourth adjacent pairs of electrodes in ...

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  • 矿井物探(Mine geophysical prospecting).doc

    2017-8-18 · 矿井物探(Mine geophysical prospecting).doc,矿井物探(Mine geophysical prospecting) 1 mine geophysical exploration is a geophysical exploration of mine. It is in the coal roadway in coal seam itself as the main object of study, there are coal and

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  • A geophysical device for automation of multielectrode ...

    A self-contained unit used in the resistance method of the geophysical electrical prospecting in order to switch two supply and two receiving lines with 24 electrodes installed on the Earth’s surface is described. The possibility of connecting in series several devices and their soft-and hardware interfacing to the control personal computer allows the number of electrodes to be

    Chat Online
  • General Geophysical Devices | Tristan Technologies, Inc.

    Tristan’s model G377 3-axis (Bx, By, Bz) 77K Geophysical Magnetometer SQUID System [see HTS Geo Syst ems.pdf ] is specifically designed for MT and other passive measurements. It offers high sensitivity (better than 50 fT/rt-Hz), wide

    Chat Online
  • GEOPHYSICS – Geonor

    GEONOR has modern and versatile geophysical research machinery, for when it is necessary for adequate geotechnical research on your project. Electrical prospecting This is a technique using devices with four electrodes that inject current into the terrain and the difference in the potential generated is measure d.

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  • What methods of geophysical prospecting are most useful

    The great issue of the geophysical prospecting in the field of hydrogeology (==hydrogeophysics) is the "entanglement" between the geo-mechanical and an hydrophysical parameters for an ...

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  • A Geological-Geophysical Prospecting Model for Deep

    2021-12-9 · The North China Craton is one of China’s major gold-producing areas. Breakthroughs have been continually made in deep prospecting at depths of 500–2000 m in the Jiaodong Peninsula, and geophysical methods have played an important role. Given that the geophysical signals of deep-seated gold deposits are difficult to detect, due to their thick overburden

    Chat Online
  • IoT -based 4 -dimensional high -density electrical ...

    2021-3-11 · 1 IoT -based 4 -dimensional high -density electrical instrument for geophysical prospecting Keyu Zhou 1, Qisheng Zhang 1, Yong dong Liu 2, Zhen Wu 1, Zucan Lin 1, Bentian Zhao 1, Xingyuan Jiang 1, Pengyu Li 1 5 1 School of Geophysics and Information Technology, China University of Geosciences (Beijing), Beijing, China 2 Beijing G eoscience Exploration

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  • Seismic prospecting method and device using

    Seismic prospecting method and device using simultaneous emission of seismic signals obtained by coding a signal by pseudo-random sequences, and notably a periodic signal phase modulated by such sequences. Signals such as, for example, periodic signals phase modulated according to a pseudo-random code (binary for example), produced by a control ...

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  • Method and device for seismic prospecting of the subsoil ...

    2010-6-10 · NO-345753-B1 chemical patent summary.

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  • Geophysical Methods & Applications

    2007-5-4 · An Applied Geophysical Company Office: (760) 476-0492 Fax: (760) 476-0493 ... The EM-61 instrument is a high resolution, time-domain device for detecting buried conductive objects. It consists of a powerful transmitter that generates a pulsed primary magnetic fild when its coils are energized, which induces

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  • Method and device for optimization of seismic data ...

    14. A device according to claim 13, wherein the interval is of the order of 450 m. 15. A device according to claim 13, wherein the first transmission source is located at the center of the interval. 16. A device according to claim 12, wherein the second transmission source is separated from the first transmission source by a distance equal to ...

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