Conventional Logging Identification of Watered - out zones in Thermal Recovery Reservoirs in Henan Oilfield
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Abstract
Subsurface conditions get very complicated in heavy oil reservoirs after steam huff and puff operation. A set of logging interpretation standards for identification of watered - out zones are established based on the conventional logging responses of watered - out zones at various levels in cored wells. They are used to identify watered - out zones in infill wells. Field application shows that it is viable to identify the watered - out degree of heavy oil reservoirs during thermal recovery through analysis of the conventional logging data.
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