8/11/2019 The Results of Surveys by Stages

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The results of surveys by stages

Stages For oil For gas For fresh water For thermal water

Diagnostics

of territoryArea

forecasting10-100,000km2

Confirmation of occurrence of

reserves in the surveyed areas.

Defining the contours of the basin

Confirmation of occurrence of

reserves in the surveyed areas.

Defining the contours of the

basin

Confirmation of occurrence of

reserves in the surveyed areas.

Defining the contours of the

basin

Confirmation of occurrence of

reserves in the surveyed areas.

Defining the contours of the

basin

Search

of deposits(1st stage)

10-1,000 km2

Discovery of reserves in surveyed

areas.

Establishing of surface outlines of

fields, number of horizons, theiroccurrence depths and their

thickness.

Calculation of the approximate

recoverable reserves

Discovery of reserves in

surveyed areas.

Establishing of surface outlines

of fields, number of horizons,their occurrence depths and their

thickness.

Calculation of the approximate

recoverable reserves

Discovery of reserves in

surveyed areas.

Establishing of surface outlines

of fields, number of horizons,their occurrence depths and

their thickness.

Calculation of the approximate

recoverable reserves

Discovery of reserves in

surveyed areas.

Establishing of surface outlines

of fields, number of horizons,their occurrence depths and their

thickness.

Assessment of water temperature

and pressure at the reservoir

Prospecting

of deposits

(2nd stage)

10 - 100 km2

Additional specification onshore

field outlines

Specification of depths of horizons

and their thickness.

Detection of gas caps, definition of

thickness and pressure in them.

Detection of oil mobility.

Detailed assessment of extractablereserves.

Positioning of the optimum

drilling points

Additional specification onshore

field outlines.

Specification of depths of

horizons and their thickness.

Definition of gas pressure.

Detailed assessment of

extractable reserves.

Positioning of the optimum

drilling points

Additional specification

onshore field outlines.

Specification of depths of

horizons and their thickness.

Positioning of the optimum

drilling points

Additional specification onshore

field outlines. Specification of

depths of horizons and their

thickness.

Specification of pressure of

thermal water inside the

deposits,

Specification temperature ofthermal water inside the deposits

Determination of the optimum

drilling points

Ivashchenko Pavel,Professor, Dr.Eng,CEO of Institute geophysics and problems of the Earth