Scientific and technical journal

«Geology, geophysics and development of oil and gas fields»

ISSN 2413-5011

Geology, geophysics and development of oil and gas fields
Detailed model of Kharyaga field famenian oil pools (Timan-Pechora oil and gas province)

UDC: 553.98:550.8.072
DOI: 10.33285/2413-5011-2022-12(372)-24-30

Authors:

RILE ELENA B.1,
POPOVA MARINA N.1,
DANILOVA ELENA M.1

1 Oil and Gas Research Institute Russian Academy of Sciences (OGRI RAS), Moscow, Russia

Keywords: oil and gas reservoir, oil pool, genuine seal, false seal, critical saddle, fault

Annotation:

A single tectonically and lithologically sealed oil pool occupies the Famenian layer D3-III of Kharyaga field. Water is met in several wells above the accepted oil-water contact during D3-III oil pool testing. This pool was studied according to the theory of three-strata reservoirs. Detailed model was created according to new structural constructions, analysis of GIS & seismic materials, new genuine seal dividing the layer D3-III into two natural reservoirs was discovered. It is proved that the layer D3-III contains not one oil pool, but four smaller ones, each of which has its own water-oil contact. The proposed model does not answer all the questions, but it is more logical than the accepted one, for it solves many problems associated with contradictions between the pool parameters and structural constructions.

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