Drained reservoir volume diagnostics from mandel-cryer pressure signal
AssigneeConocoPhillips Company
InventorsSamarth AGRAWAL, Richard A. ALBERT
Life of this patent
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Abstract
A method for obtaining hydrocarbon from a reservoir in a subterranean formation is described. The method includes measuring a poromechanic pressure change due to lithostatic load sharing in the subterranean formation. Mapping the poromechanic pressure change to one or more locations in the subterranean formation. Identifying one or more local pressure peaks in the poromechanic pressure change, wherein the one or more local pressure peaks are each marked by a pressure escalation and subsequent pressure depletion. Determining a drained reservoir volume in the hydrocarbon reservoir based on the pressure escalation.
Claims12
A method of characterizing a hydrocarbon reservoir in a subterranean formation, the method comprising:
- a) measuring a poromechanic pressure change due to lithostatic load sharing;
- b) mapping the poromechanic pressure change to one or more locations in the subterranean formation;
- c) identifying one or more local pressure peaks in the poromechanic pressure change, wherein the one or more local pressure peaks are each marked by a pressure escalation and subsequent pressure depletion;
- and
- d) determining a drained reservoir volume in the hydrocarbon reservoir based on the pressure escalation.
Dependencies are inferred from the claim text.