Friday, March 13, 2026

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electric-resistivity-tomography-ERT

1.         INTRODUCTION

MY SON APPLICATION SCIENCE RESEARCH COMPANY LIMITED is an applied geophysical company that was established in 2010 and provides services related to the study and mapping of the Earth’s subsurface using various geophysical techniques. These companies use advanced technologies and methodologies to collect, analyze, and interpret data about the physical properties of the Earth’s interior. Geophysical investigations are crucial for a range of industries, including oil and gas exploration, environmental studies, mining, construction, and civil engineering. Here are some common services provided by geophysical companies:

  1. Seismic Surveys:
    • Utilizing seismic waves to study subsurface structures, such as the location of oil and gas reservoirs, geological formations, and potential hazards.
  2. Ground Penetrating Radar (GPR):
    • Employing radar pulses to image the subsurface, useful for detecting utilities, archaeological features, and assessing soil properties.
  3. Electromagnetic Surveys:
    • Measuring electromagnetic properties to locate and map subsurface features, including mineral deposits, groundwater, and buried structures.
  4. Magnetic Surveys:
    • Measuring variations in the Earth’s magnetic field to identify subsurface structures and mineral deposits.
  5. Gravity Surveys:
    • Measuring gravitational anomalies to understand subsurface density variations, is often used in mineral exploration.
  6. Well Logging:
    • Collecting data from boreholes to assess properties like resistivity, gamma radiation, and acoustic properties for purposes such as oil and gas reservoir characterization.
  7. Geotechnical Investigations:
    • Assessing soil and rock properties for construction projects, foundation design, and evaluating the stability of slopes.
  8. Environmental Site Assessments:
    • Investigating contamination and subsurface conditions to assess environmental impact and guide remediation efforts.
  9. Hydrogeological Studies:
    • Analyzing subsurface water conditions, including aquifer properties and groundwater flow patterns.
  10. Tunnel and Cavern Detection:
    • Using geophysical methods to detect and characterize subsurface voids, tunnels, or caverns.
  11. Archaeological Prospecting:
    • Employing geophysical techniques to non-invasively locate and map buried archaeological features.
  12. Pipeline and Cable Detection:
    • Locating and mapping underground utilities, such as pipelines and cables, to prevent accidental damage during construction.

Geophysical companies play a crucial role in helping industries and researchers better understand the subsurface, enabling informed decision-making in resource exploration, environmental management, and infrastructure development. The specific services offered by a geophysical company may vary based on its expertise, equipment, and the needs of its clients.

2.     OUR BEST SERVICES

 

No. Services Years of experience
1 Exploration and production of the groundwater 12
2 Geophysics survey 18
3 Geotechnical Investigation 12
4 Site geotechnical 10
5 Non-Destructive Testing 10
6 Consultant – Design 6
7 Subsurface structure assessment 10
8 Online well-monitoring equipment supplier 2
9 The topographic survey 5

 

3.    OUR EQUIPMENT

 

No. Equipment Quantity Manufactured Application
1 Borehole Logger

Mount Sopris Matrix

01 USA ·        Lithology, shale content, water quality

·        Quantitative data on the salinity of interstitial water

·        Bulk density, porosity, moisture content

·        Data for Grounding System Design

2 Electrical resistivity tomography (ERT) KEW 4106 01 JAPAN •  Fault problems

•  Water table determinations

•  Contamination plumes

•  Lithology

•  Landfills

 

3 Magnetic

Geometrics 856

01 Switzerland •   Locating buried drums,

tanks, and other metal objects

•   Finding abandoned wells

•   Mapping geologic structures

•   Locating utilities

•   Investigating landfills

4 PDI’s Cross Hole

Analyzer

CHAMP-Q

01 USA • Determines the quality and

consistency of the concrete of drilled shafts, slurry walls, bored piles, cast-in-situ piles, and other types of concrete foundations.

5 Ground Penetrating

Radar (GPR) Quantum Imager Q4-300

01 USA •  Locating buried tanks and

drums

•  Locating underground utilities

•  Map landfill boundaries

•  Delineate pits and trenches containing metallic and nonmetallic debris

•  Delineate previously excavated and backfilled areas

•  Mapping voids beneath pavement and/or behind retaining walls

•  Measuring pavement thickness

• Three-dimensional rebar mapping

•  Locating clandestine grave sites

•  Archeological investigating

•  Map shallow groundwater tables

•  Map shallow soil stratigraphy

•  Map shallow bedrock topography

6 Seismic Downhole

and Crosshole

Seismograph Ras-24

01 USA •  General geologic structure

•  Faults and other hazards

•  Landfill investigations

•  Overburden thickness

•  Rock capability and quality

•  Water table depth

•  Bedrock depth

•  Dynamic rock moduli

•  Vibration loading response

•  Rock velocities and quality

•  Geologic layering

 

7 Thermal resistivity

Testing

MSTR-68

01 Vietnam •  The design and

implementation of underground power transmission and distribution systems

8 Level and flow rate

monitoring

WL-MS

01 Vietnam •  Level and flow rate

monitoring ONLINE

9 Electromagnetic

induction

RD8000 +Tx10

01 UK •  Detecting the sub-surface

high-precision cable and pipe

10 Soil resistivity testing

SYSCAL R2

01 FRANCE •  Soil resistivity testing

•  Earth resistance

11 Sonar Scan

GARMIN CHIRP SONAR

01 USA   • The topographic map of bottom water

• 3D recordings

12 Total station

Leica

 

01 Switzerland
13 Stream flow measurement

MIDAS-ECM

01 UK
14 RTK-GNSS Meridian M5 01 China