pgnaa borehole logging

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  • PGNAA - What does PGNAA stand for? The Free Dictionary

    Looking for online definition of PGNAA or what PGNAA stands for? PGNAA is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms The Free Dictionary

  • inelastic 18 in Elemental spectroscopy measurements and .

    Logging Symposium: Society of Petrophysicists and Well Log Analysts, Houston, Texas. A comparison of BakerAtlas FLeX, Halliburton GEM, and Schlumberger ECS, in a log-off situation. Read for understanding of how the tools and processing can deliver different results in the same environment. Contact the specific logging company for current .

  • IAEA RADIATION TECHNOLOGY REPORTS No. 1 Neutron .

    have been shown to be effective for applications including borehole logging, homeland security, nuclear medicine and on-line analysis of aluminium, coal and cement. Pulsed fast thermal neutron analysis, as well as tagged and timed neutron analysis, are additional . Prompt gamma neutron activation analysis (PGNAA) has been used for prospecting of

  • Technical Program Sessions for SEG Houston 2017

    A new PGNAA borehole logging method for determining copper and nickel grade Presented by: Lili Tian, PHD. A robust automatic boundary detection method for azimuthal borehole images acquired in horizontal and high-angle wells Presented by: Dr. Hui Xie. An improved fast forward-modeling technique for logging while drilling sigma measurements

  • The application of PGNAA borehole logging for copper grade .

    The application of PGNAA borehole logging for copper grade estimation at Chuquicamata mine. Charbucinski J(1), Duran O, Freraut R, Heresi N, Pineyro I. Author information: (1)CSIRO, Exploration and Mining, P.O. Box 883, Kenmore, QLD 4069, Australia. [email protected]

  • Mine Subsidence Induced Hydraulic Connection Tested by .

    surrounding a borehole is described (Waring et al, 2007). The method requires injection of a tracer solution and measurement of the variable distance the tracer has moved by prompt gamma neutron activation analysis (PGNAA) geophysical logging. CSIRO Exploration and Mining build and supply PGNAA logging tools.

  • What can you measure with neutron activation analysis?

    INS 14.1 Field Oilfield borehole logging (C, O) Neutron generator DD PGNAA 2.45 Field Conveyor bulk analysis & borehole logging Isotopic 252Cf & 241Am PGNAA 0.5 - 4.5 Field Conveyor bulk analysis & borehole logging Nuclear reactor DNAA Thermal Facility Non-destructive mineral ores Nuclear reactor PGNAA Thermal Facility Archaeological artefacts .

  • Small Diameter PGNAA Geochemical Logging Tool Built

    Apr 09, 2013 · The prompt gamma neutron activation analysis (PGNAA) wireline technology adapted for use in the DET CRC provides an ability to obtain volumetric elemental concentrations, in-situ, and in near real .

  • PROGRAM 1: Instrumenting the Bench

    logging unit. Image: PGNAA downhole sensor, supplied by CSIRO. Focus on outcomes • Borehole PGNAA tool for use in blast holes of >150mm diameter. • Technology using isotopic (Cf -252) sourced radiation. • Feedback controlled winch system for automated logging .

  • Application of nuclear techniques in industry and .

    Prompt Gamma Neutron Activation Analysis PGNAA PGNAA technique is using a 252Cf neutron source and scintillation detectors to determine elemental composition based on thermal neutron capture gamma rays. The technique was initially developed for by-line applications but recently has been used for on-conveyor belt analysis and borehole logging

  • Development of Radiometric Methods for Exploration and .

    Development of Radiometric Methods for Exploration and Process Optimization in Mining and Mineral Industries Report of the Consultant meeting Vienna, IAEA, . "NUCLEAR BOREHOLE LOGGING FOR IN-SITU ANALYSIS IN . prompt gamma neutron activation analysis (PGNAA), gamma-gamma backscattering, gamma-induced x-ray fluorescence (GIXRF) and others.

  • A new PGNAA borehole logging method for determining copper .

    Determination of copper and nickel grade are fundamental to the optimum exploitation of the ore deposit. A new prompt gamma neutron activation (PGNAA) logging method that can determine copper and nickel grade in borehole is proposed, which avoids the great cost of cutting experimental analysis and the uncertainty caused by the heterogeneity of deposit.

  • Detecting & Defeating IEDs With Californium-252 and the .

    Jan 24, 2020 · Material scanning through prompt-gamma neutron activation analysis (PGNAA) Well logging in the oil and gas industry; When californium-252 is implemented within military and defense equipment, it enables the use of Portable Isotopic Neutron Spectroscopy (PINS).

  • Przegląd Górniczy - Home ICM

    The application of PGNAA borehole logging for copper grade estimation at Chuquicamata mine. Appl. Radiat. Isot. 2004, 771÷777. 20. Charbucinski J., Webb A., Berry M. Rojc A., Smith C.: The Application of Prompt Gamma Neutron Activation Analysis (PGNAA) Borehole Logging for Copper Grade Estimation at Anglo American Copper Mines in Chile.

  • Prompt Gamma-Ray Neutron Activation Analysis (PGNAA) for .

    Prompt gamma-ray neutron activation analysis (PGNAA) is a well-established tool for nondestructive elemental analysis of bulk samples. At Los Alamos National Laboratory we are investigating the use of PGNAA as a diagnostic tool for a number of applications, particularly matrix characterization for nondestructive assay and plutonium surveillance.

  • Craig Smith - Technical Projects Manager - EM Solutions .

    Discussion of BVP Neutron Activation Borehole logging tool. Other authors. In situ determination of salinity by PGNAA Applied Radiation and Isotopes 2006. Measuring salinity in boreholes using PGNAA. Other authors. Experimental Realisation and Detection of Optical Vortices Nova Science Publishers 1999.

  • Detecting & Defeating IEDs With Californium-252 and the .

    Jan 24, 2020 · Material scanning through prompt-gamma neutron activation analysis (PGNAA) Well logging in the oil and gas industry; When californium-252 is implemented within military and defense equipment, it enables the use of .

  • Monte Carlo simulation of Cu, Ni and Fe . - SpringerLink

    Nov 24, 2017 · A prompt gamma neutron activation analysis borehole logging method for copper, nickel and iron grade estimation is proposed. The performance of the method was simulated by MCNP5 code. Based on the theory of neutron–gamma distribution on the borehole condition, the BGO scintillator and 3He neutron tube are adopted to record gamma ray .

  • A Method for Improving the Evaluation of Elemental .

    One set of fixed elemental standards are always utilized. In our study, a specific Monte Carlo simulation code is used to study the changes of elemental standards due to the variation of logging conditions and a method is proposed to improve the accuracy of elemental concentration measured by geochemical well logging.

  • Application of nuclear techniques in industry and .

    Prompt Gamma Neutron Activation Analysis PGNAA PGNAA technique is using a 252Cf neutron source and scintillation detectors to determine elemental composition based on thermal neutron capture gamma rays. The technique was initially developed for by-line applications but recently has been used for on-conveyor belt analysis and borehole logging

  • Article details - Spectrometric Nuclear Logging as a Tool .

    EAGE Earthdoc, GeoScience Journal. Spectrometric Nuclear Logging as a Tool for Real-time, Downhole Assay – Case Studies Using SIROLOG PGNAA

  • Detection of unexploded ordnance by PGNAA based borehole .

    Detection of unexploded ordnance by PGNAA based borehole-logging By John Kettler, Eric Mauerhofer and Marco Steinbusch No static citation data No static citation data Cite

  • Mine Subsidence Induced Hydraulic Connection Tested by .

    surrounding a borehole is described (Waring et al, 2007). The method requires injection of a tracer solution and measurement of the variable distance the tracer has moved by prompt gamma neutron activation analysis (PGNAA) geophysical logging. CSIRO Exploration and Mining build and supply PGNAA logging tools.

  • Measurement of hydraulic conductivity, porosity and .

    A new method of measuring the continuously variable hydraulic conductivity at 20 cm increments surrounding a borehole is described. The method requires injection of a tracer solution and measurement of the variable lateral distance the tracer has moved by prompt gamma neutron activation analysis (PGNAA) geophysical logging. Gamma spectra collected by PGNAA logging .

  • In-situ soil composition and moisture measurement by .

    Prompt gamma neutron activation analysis (PGNAA) geophysical borehole logging has been applied to mining issues for >15 years (CSIRO) using isotopic neutron sources and more recently to environmental and hydro-geological applications by ANSTO. Similarly, sophisticated geophysical borehole logging equipment based on inelastic neutron scattering .

  • Automated lithology prediction from PGNAA and other .

    Mar 14, 2010 · density (backscattered g–g), and the prompt gamma neutron activation analysis (PGNAA) logging data. The PGNAA tool, employing a 252Cf neutron source, is an established technology for delineation of coal seams in boreholes and determination of in situ content of ash, Fe, Ca, Si, S, Al and density of coal (Borsaru et al., 2001a,b, 2004).

  • Measurement of Hydraulic Conductivity, Porosity and .

    PGNAA measurement range a relative tracer movement distance is provided by the PGNAA log, rather than hydraulic conductivity. Other relevant lithological and hydraulic parameters such as porosity may be derived from measured Si, H, Cl, ±Fe, ±Al elemental abundance provided by PGNAA borehole logging.

  • Elemental analysis - Sodern

    However, borehole logging provides in situ elemental analysis, making the use of altered samples no longer necessary. Used for many years in the oil & gas industry, the technology is based on a neutron analytical technic called Pulsed Fast & Thermal Neutron Activation (PFTNA) . This technology explores new dimensions and is going to be a game .

  • ACARP Abstract

    To develop the SIROLOG PGNAA tool for the measurement of chloride content for in-situ salinity measurements from boreholes as a practical logging tool for salinity investigations. To develop a practice for incorporating PGNAA logging in the environmental management of acid mine drainage and salinity. To commercialise the tool for routine usage.

  • Body composition to climate change studies – the many .

    methods, the prompt gamma-ray analysis (PGNAA) technique has found wide applications outside of a nuclear reactor facility. Applications in petroleum and coal well-logging, elemental and pollutant concentration monitoring in environmental bodies, sea bed mineral surveys and planetary surface explorations have been reviewed earlier [1 .