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  • SGL-301岩心伽玛谱仪

    产品型号: SGL-301岩心伽玛谱仪
    品  牌: corelab
      价格电议,您可以向供应商询价得到该产品价格
    所 在 地: 北京朝阳区
    更新日期: 2020-09-18
    详细信息

    SPECTRAL CORE GAMMA SYSTEM

     

    SPECTRAL CORE GAMMA SYSTEM - capable of measuring the natural radioactivity from cores.  Using an advanced detector and data acquisition routine, Core Laboratories' Spectral Core Gamma Unit offers: total gamma ray recorded in API units; elemental contributions recorded in terms of Potassium (%), Uranium (ppm), and Thorium (ppm) and a calibrated bulk density value.  Core logging speed is variable - research experiments with this unit have determined that the optimum data acquisition logging rate is up to 2.75 feet per minute for four inch diameter cores and 0.55 feet per minute for two inch diameter cores. A virgin lead shield around the detector and tunnel minimizes background gamma radiation allowing core up to 5.5 inch in diameter to be analyzed with minimal natural radiation interference. The use of the latest Digital Signal Processing (DSP) technology allows improved signal to noise ratio, enhanced resolution and superior data accuracy in the combined DSP/Amplifier Board. Use of the board allows direct PC control of all signal processing, power supply and amplifier functions for the detector. 

     

    Standard instrument is supplied with computer controlled conveyor system, detector module, low level Cesium source for bulk density determination, control and data acquisition module, computer hardware and software.  The Control software operates all verifier and measurement modes of the system.  The report software provides core gamma logs with both vertical and horizontal scaling options, for compatibility with a variety of downhole logs. Data are logged to hard disk.  The conveyor, with all mechanical components, is integrated into a compact, rugged, utilitarian system. 

        

      

    New Dual Detector Benefits: 

    -The Dual Detector SGL features two detectors, mounted on the top and bottom sides of the core 

    -The addition of top detector increases the accuracy and signal-to-noise ratio of counts by up to 150%. 

    -The top and bottom detectors capture gamma rays from both faces of the core, very similar to how downhole log captures gamma rays. 

    -Higher gamma ray counts allow geologists to interpret zones of interest more accurately. 

    -The Dual Detector SGL provides enhanced benefits for studies on low activity cores, which are very common. 

    -Core Lab’s divisions across the world have deployed Dual Detector SGL’s and have received favorable feedback from our clients.

     

     

     

    Scope of Supply:   

       Detector system (sodium iodide). 

       PC controlled core conveyor and electronics system with integrated amplifier, digital system processing and spectral analysis capability. 

       PC Based Computer with system control and report software. 

     

       

    Cal Std Logger     

       Verifier calibration standards to allow a complete verification of the total system. 200 API Standard, Inactive Standard, Uranium (U) Verifier 100 ppm, Thorium (Th) Verifier 100ppm, Potassium (K) Verifier 4%, Aluminum Density Verifier and  Polycarbonate Density Verifier 

     

        References: 

        API Recommended Practice 40 for Core Analysis; Section 3 Core screening and Core Preservation

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