4.27M
Category: industryindustry

Structural modelling of boreholegeophysical

1.

Detailed exploration of an ore deposit in Kazakhstan with an innovative
combination of geotechnical and borehole geophysical measurement
methods and structural 3D modeling
Dr. Godrat Rafat (Assoc. Prof.), Prof. Vladimir Mansurov, Ivo Kerošević M. Sc., Dipl. Geol. Ming Han Tse

2.

Achtung, Folientest, nicht für den Produktiveinsatz geeignet
Borehole geophysics
Wire line
Exploration
Geotechnical investigations
Hydrogeology
Mining
Inspection of old mining
Inspection of radioactive waste repositories
28.09.2020
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DMT-Präsentation

3.

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Geotechnical Investigations
Caliper Log (3 arm, 4 arm, 3D acoustic)
Natural Gamma-Ray Logging (GR)
Spectral Gamma-Ray Logging (GR.S)
Pulsed Neutron-Neutron (INN)
Density Log (GG.D)
Full Wave Sonic Log (FWS)
Conventional and Focused Resistivity Log (FEL, DLL)
Self Potential (SP)
Induction Log (DIL)
Acoustic Borehole Scanner (ABI 40, FAC)
Optic Borehole Scanner (OBI, OPTV)
Magnetic Suszeptibility (Mag Sus)
Deviation of Boreholes (Magnetic or Gyro Sensors)
2D, 3D RADAR and RADAR Tomography
28.09.2020
Folie 3
DMT-Präsentation

4.

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Geotechnical Investigations
28.09.2020
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Borehole deviation
Dip and dip direction of
bedding, joints, fault
zones and outbursts
Assignment of joint
structures
Lithological assignment
Mechanical parameters of
rocks
Field stress orientation
Rock mass rating
Redevelopment of old
mining fields
Repository exploration

5.

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Project Approach
Work Stages
Data from the client: counter maps, coordinates of the drill holes,
lithological core logs, core fotos.
Survey of several boreholes with: acoustic and optic scanner,
gamma ray and dual latero log.
Analysis and interpretation of:
- Orientation of the structures,
- Classification of the structures (bedding, joints, faults),
- Classification of the rock mass (RQD),
- Deviation of the boreholes,
- Lithological assignment
Modelling of the general structures and local weakness zones
Report
28.09.2020
Folie 5
DMT-Präsentation

6.

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Field Survey
One month in the field
One or two DMT staff on
site
Mostly central Asia
28.09.2020
Folie 6
DMT-Präsentation

7.

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Geophysical Analysis and Interpretation of the Measurements
28.09.2020
Folie 7
DMT-Präsentation

8.

Structural Modelling
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28.09.2020
Folie 8
DMT-Präsentation

9.

Achtung, Folientest, nicht für den Produktiveinsatz geeignet
Thank you for your attention
Dr. Godrat Rafat, Prof. Vladimir Mansurov, Ivo Kerošević M. Sc., Dipl. Geol. Ming Han Tse
Geophysikalische Bohrlochmessungen, Strahlenschutz, Exploration
+49 201 172 – 1769; Mob.: +49 171 225 80 35
[email protected]
[email protected]
DMT GmbH & Co. KG, Am TÜV 1, 45307 Essen
28.09.2020
Folie 9
DMT-Präsentation
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