device for geophysical prospecting

device for geophysical prospecting

GEOPHYSICAL PROSPECTING DEVICE FOR IDENTIFYING

@article{osti_4120984, title = {GEOPHYSICAL PROSPECTING DEVICE FOR IDENTIFYING RADIOACTIVE ELEMENTS}, author = {Guitton, J and Lallemant, C}, abstractNote = {A device is described for detecting and identifying at least two gamma - emissive elements each of which has a gamma -ray continuous spectrum including at least one peak. The device includes a scintillation

A geophysical device for automation of multielectrode ...

高达12%返现 · 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 increased

MORE ON THE LATEROLOG * DEVICE **, Geophysical Prospecting ...

Dec 01, 1979 · MORE ON THE LATEROLOG * DEVICE ** MORE ON THE LATEROLOG * DEVICE ** MORAN, J. H.; CHEMALI, R. E. 1979-12-01 00:00:00 Abstract Basic Laterolog devices employ a measure‐current focusing technique to provide well logs of formation resistivity that feature sharp vertical definition combined with a depth of investigation much improved over those of normals of comparable

APPARATUS FOR MEASURING ELECTRICAL RESISTANCE OF

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 ...

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 increased to ...

MORE ON THE LATEROLOG * DEVICE **, Geophysical Prospecting ...

Dec 01, 1979 · MORE ON THE LATEROLOG * DEVICE ** MORE ON THE LATEROLOG * DEVICE ** MORAN, J. H.; CHEMALI, R. E. 1979-12-01 00:00:00 Abstract Basic Laterolog devices employ a measure‐current focusing technique to provide well logs of formation resistivity that feature sharp vertical definition combined with a depth of investigation much improved over those of normals of comparable

Prospecting for Minerals - 911 Metallurgist

Jan 11, 2017 · Commercial models of the device are available. GEOPHYSICAL PROSPECTING. Geophysical prospecting combines the sciences of physics and geology to locate ore deposits. Familiar examples of geophysical prospecting include the use of geiger counters for detecting radioactive uranium deposits and magnetic surveys to find iron deposits.

US2508772A - Method of geophysical prospecting - Google ...

US2508772A US61584445A US2508772A US 2508772 A US2508772 A US 2508772A US 61584445 A US61584445 A US 61584445A US 2508772 A US2508772 A US 2508772A Authority US United States Prior art keywords radiation radiations source ionization cable Prior art date 1942-10-31 Legal status (The legal status is an assumption and is not a legal conclusion.

Method for geophysical prospecting - SOCONY VACUUM OIL

However, most present day methods of geoPhysical prospecting having as an object to provide data indicative of the character of strata traversed by a well bore are intended to be or, as & practical matter, are performed alter the drill- 5 ing operations have ceased, the drill stem has been removed and the drill operating apparatus has been ...

GitHub - ecabuk/vlf: Software of the Geophysics VLF Method ...

A modern low-cost microcomputer and accessories were used to create a VLF receiver for geophysical prospecting. The signals are detected by induction coils, amplified, digitized by a sound card and analyzed by a Raspberry Pi computer, which uses a Linux operating system and the Python programming language. The peripheral devices were commercial ...

Geophysical survey - Wikipedia

Geophysical survey is the systematic collection of geophysical data for spatial studies. Detection and analysis of the geophysical signals forms the core of Geophysical signal processing. The magnetic and gravitational fields emanating from the Earth's interior hold essential information concerning seismic activities and the internal structure.

ABEM Instrument - Mining Technology | Mining News and ...

Geophysical Solutions for Cost-Effective Mineral Prospecting. ABEM Instrument has led developments in geophysical solutions since 1923. ABEM's technologies are used for geophysical surveys to evaluate soil conditions and locate hidden objects using methods including resistivity, electromagnetics, seismology, vibration monitoring and radar in ...

Solution for pollution survey of organic matter - Site ...

2)The geophysical method is based on the difference in physical and chemical properties between the pollutant and the surrounding medium. With a certain device and a special instrument, the distribution of the physical field is measured, and the distribution and migration of the pollutant are inferred. ... the geophysical prospecting is non ...

Determination of rock acoustic properties at low frequency ...

Mar 13, 2013 · [1] A laboratory device, Differential Acoustic Resonance Spectroscopy (DARS), has been developed to investigate the acoustic properties of rock materials below 1 KHz. The device is based on analyzing shifts of resonance frequency of a cavity perturbed by the presence of a small sample. Numerical and experimental studies have previously shown that this technique can be used to

aerial geophysical prospecting怎么读,"aerial geophysical ...

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Z400 Gravity Meter_询价采购网

Z400 Gravity Meter. 产品详情. The Z400 gravity meter is an instrument that measures the relative change of gravitational acceleration value. The instrument's sensor is made of quartz. It adopts zero reading and is equipped with a precise temperature compensation device. The Z400 gravity meter can be widely used for gravity prospecting in ...

Method and apparatus for geophysical prospecting by ...

OSTI.GOV Patent: Method and apparatus for geophysical prospecting by radioactive diagraphy Title: Method and apparatus for geophysical prospecting by radioactive diagraphy Full Record

A geophysical device for automation of multielectrode ...

Aug 08, 2006 · 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 increased

Geophysical prospecting instruments, Geophysical ...

Geophysical prospecting instruments from Hunan Geosun Hi-Technology Co., Ltd.. Search High Quality Geophysical prospecting instruments Manufacturing and Exporting supplier on Alibaba. ... DQ-1000 Instruments Geophysical Finder Metal Detect Metal Detecting Device. $29,000.00 - $35,000.00 / Set. 1.0 Sets (Min. Order) Contact Supplier. GEOSUN ...

NPS Archeology Program: Archeology for Interpreters

Geophysical prospecting is the use of high-resolution geophysical methods to discover archeological sites. These methods may also be called “remote sensing” or “archeogeophysics”. Advantages to geophysical methods are that they are nondestructive and provide rapid reconnaissance. Their major limitation is that they use non-contact ...

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 bandwidth (dc – 10+ kHz and flat phase response. Its light weight and long hold time make it a convenient ...

All-Purpose Robust geophysical prospecting At Low Prices ...

underground water detection device 300m depth geophysical prospecting. US $3500-$6500 / Set. 1 Set (Min. Order) 4 YRS ST Geomative Co., Ltd. Contact Supplier. The honest price Automatic Geophysical Prospecting Water Detector admt-300s groundwater detector 0-300m. US $1000-$1200 /

Geophysical prospecting with controlled-source ...

Geophysical prospecting with controlled-source electromagnetic data Oriol Roqu e Paniagua This work focuses in the inline electric dipole con gu-ration with a surface-to-surface emission (1). Both types of devices are approximated as electric dipoles: receivers measure the

ABEM Instrument - Mining Technology | Mining News and ...

Geophysical Solutions for Cost-Effective Mineral Prospecting. ABEM Instrument has led developments in geophysical solutions since 1923. ABEM's technologies are used for geophysical surveys to evaluate soil conditions and locate hidden objects using methods including resistivity, electromagnetics, seismology, vibration monitoring and radar in ...

GEOPHYSICAL METHODS IN EXPLORATION AND MINERAL ...

Geophysical modeling provides generalized and non-unique solutions to questions concerning the geometry of subsurface geologic relations. The non-uniqueness of these solutions is both a mathematical problem and one related to the multiplicity of sources that can cause geophysical anomalies. This feature is an implicit uncertainty

Solution for pollution survey of organic matter - Site ...

2)The geophysical method is based on the difference in physical and chemical properties between the pollutant and the surrounding medium. With a certain device and a special instrument, the distribution of the physical field is measured, and the distribution and migration of the pollutant are inferred. ... the geophysical prospecting is non ...

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

Determination of rock acoustic properties at low frequency ...

Mar 13, 2013 · [1] A laboratory device, Differential Acoustic Resonance Spectroscopy (DARS), has been developed to investigate the acoustic properties of rock materials below 1 KHz. The device is based on analyzing shifts of resonance frequency of a cavity perturbed by the presence of a small sample. Numerical and experimental studies have previously shown that this technique can be used to

Multi-sensor system for airborne geophysical prospecting ...

Feb 21, 2018 · A multi-sensor electromagnetic (EM) system and method for measuring gradients of EM signals. The multi-sensor EM system includes a frame; a transmitter device attached to the frame and configured to generate a primary EM field; a receiver device attached to the frame and configured to record a secondary EM field generated by the earth after being excited by the primary EM field; and a

China Geophysical Prospecting Instrument, Geophysical ...

China Geophysical Prospecting Instrument manufacturers - Select 2021 high quality Geophysical Prospecting Instrument products in best price from certified Chinese Instrument, Optical Instrument suppliers, wholesalers and factory on Made-in-China