INTRA-FORMATIONAL HYDROCARBON PRODUCTION FROM HYDROCARBON CONTAINING FORMATION WITH THE USE OF BARRIERS
FIELD: enhanced recovery methods for obtaining hydrocarbons, particularly underground reservoir treatment to create barriers around treatment zone to prevent fluid flow into treatment zone or from treatment zone. ^ SUBSTANCE: method involves suppressing fluid flow from formation area surrounding the...
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Format: | Patent |
Sprache: | eng ; rus |
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Zusammenfassung: | FIELD: enhanced recovery methods for obtaining hydrocarbons, particularly underground reservoir treatment to create barriers around treatment zone to prevent fluid flow into treatment zone or from treatment zone. ^ SUBSTANCE: method involves suppressing fluid flow from formation area surrounding the first zone to be treated into above formation zone; heating part of the first formation zone to be treated to increase temperature in the zone up to value exceeding thermal decomposition temperature; controlling heat transmission from heaters into above formation zone part to provide uniform permeability in the formation zone part; producing mixture from formation; controlling pressure in the first formation zone to be treated to regulate composition of mix to be produced from formation. ^ EFFECT: increased efficiency. ^ 42 cl, 15 dwg |
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