On the problem of the operational mode identification of a gas deposit (using the example of the development of the Cenomanian deposit of one of the Yamalo-Nenets Autonomous District deposits)
UDC: 622.279.23/.4(571.12)
DOI: -
Authors:
CHIKIREV F.A.
1,
POPOV S.N.2
1 Severneftegazprom LLC, Novy Urengoy, Russia
2 Oil and Gas Research Institute Russian Academy of Sciences, Moscow, Russia
Keywords: gas mode, elastic-water-pressure mode, square of formation pressure impulse, abnormal physical-chemical characteristics, geochemical control, sodium-chloride coefficient, Larsen – Skold index, degree of water saturation by calcium carbonate
Annotation:
The authors of the article consider the problem of identifying gas deposits operational mode based on geological-commercial data, obtained from one of the deposits of the Yamalo-Nenets Autonomous District. Based on the results of the interpretation, the informativeness of each method is considered. When using the second method, a transient operational mode was revealed, which is associated with intra-circuit changes in the reservoir. The results obtained are confirmed by the data of the field-geophysical control of the advance of the gas-water contact (GWC) with the deposits and changes in hydro-chemical parameters during geochemical control.
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