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  • Photoacoustic Gas Analyzer
  • Dissolved O2, O3, H2 analyzer
  • Oil & Gas Pipeline Health
  • Sonic densitometer
  • Dissolved carbon dioxide analy
  • Other instrumentation

    • DK-SA 850 Downhole Sand Monitoring

    DK-SA 850 Downhole Sand Monitoring

    Determining the detection conditions and sand production rate at downhole sand ingress points.

    Overview

    The innovative DK-SA 850 downhole sand monitoring device features a new tool architecture, integrating advanced sensor design, signal processing technology, and analytical algorithms to accurately detect downhole sand ingress points and assess sand production rates in different flow areas. This monitoring device can seamlessly connect with the DK HD Platform production service platform, advancing traditional logging techniques into a new phase: sand multi-phase production logging. The compact tool is compatible with cable and tractor delivery systems, suitable for various operational environments.

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    Advantages

    l   Robust, real-time, high-sensitivity measurement.

    The digital downhole detection and processing system provides enhanced sensitivity to sand particles in the wellbore. The DK-SA 850 downhole  sand  monitoring  device  has  high resolution, capable of detecting individual particles as small as 25μm, and its sensing elements are unaffected by background noise from tool movement, underground disturbances, fluid, or gas jetting.

     

    l   Advanced Analysis and Processing

    The efficient interpretation algorithm of the DK-SA 850 downhole sand monitoring device distinguishes different particles by analyzing particle size and the amplitude of sound signals.

    This algorithm applies intelligent threshold technology for quality monitoring of counting results and detection rates, providing confidence assessments for production rates. Compared to traditional surface applications using filters or acoustic detection sensors, the DK-SA 850 offers more precise measurement results. Sand particle count data can be further converted into

    sand production volume and rates based on known particle size and density.

    1739850643139526.jpg

    Standardized Sand Distribution Curves Before and After Correction 

    1739850700841271.jpg

    Downhole sand distribution curves

    Technical Parameters

    Specification

    Parameter

    Output

    Sand particle count/s, g/s, sand area (customizable)

       Sampling Rate

    6s integration time: 275 m/h

    3s integration time: 550 m/h

    Vertical Res.

    1,500 times/s, 0.5 m

    Sensitivity

    25 μm (liquid phase), 15 μm (gas phase)

    Particle Sizes

    15μm~100μm, 100μm~200μm, 200μm~300μm, configurable with software

    Accuracy

    5%~15%

    Compatibility

    PS production service platform; can be used with tractors

    Special Env.

    Applicable in acidic environments

    Temperature

    180℃

    Pressure

    103MPa

    Min. Aperture

    4.65cm

    Outer Diameter

    42.8mm

    Length

    1.12m

    Weight

    8.4kg

     

    Applications

    Quantification of zoned sand layers, geomechanical model calibration, wellbore intervention and repair, on-site well completion planning, secondary well completion design, monitoring of proppants during multi-stage flowback, and fracture completion.


    Consulting phone 010-8243-3533
    Duke. All rights reserved Beijing tech technology Co. Ltd. 京ICP備14007870號-1
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