Subject: geological interpretation of geophysical data icon

Subject: geological interpretation of geophysical data




НазваSubject: geological interpretation of geophysical data
Дата09.10.2012
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SYLLABUS

Subject: GEOLOGICAL INTERPRETATION OF GEOPHYSICAL DATA



The goal of this course is to teach students theoretical fundamentals of geological interpretation of geophysical data, familiarization and practical work with modern technologies for geophysical fields processing.

LECTURES



1. Introduction. Overview of interpretation complexes and their abilities for solving geological tasks. (6 hrs)


Reverse task of the theory of seismic survey and its solution. General scheme of solution for reverse task. Peculiar features of stages of processing and interpretation. Structure of processing field seismic observations. Role of filtration and correlation of seismic movements. Main stage and types of processing of seismic data. Frequency filtration of seismic movements. Space-frequency filtration of seismic movements. Design of seismic borders.


2. Familiarization with complex of industrial geophysical research in boreholes, fundamentals of separation and correlation of forecast productive complexes for oil and gas. (6 hrs)


Collector properties of rocks. Types of curves of electrocarotage for determining lithological types, capacities, porosity, permeability of rocks. Methods of determining fluid saturation of collectors.


3. Vertical seismic profiling and acoustic carotage (3 hrs).

Methodology of conducting field works and interpretation of data. Measuring of natural environment velocities.

Determining effectiveness of velocity as per hodographs of reflected and refracted waves. Determining layers velocities.


4. Complex interpretation of gravimetric, electrometric and seismic data with the aim of explorations for and finding of mineral deposits. (3 hrs)


4.1. Examples of expanding seismic regional survey, explorative and detailing geological tasks.

4.2. Selection of optimal complex of geophysical research for solving tasks of coal and oil industries and engineering-geological tasks of geology.

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