Single well control area splitting method based on reservoir sphysical properties and gas well productivity differences

The determination of the control area a single well is prerequisite for evaluation reserves well. current calculation methods are mainly divided into: experience formula, balancing method, and physical model, in order to solve different limitations existing single-well splitting method problem large error use, this paper puts forward kind based on gas reservoir property growth productivity difference algorithm split, according results split combining static parameters, using volumetric evaluation, further clarify original remaining distribution reservoir, subsequent reasonable development enhance oil recovery. In paper, block S Sulige field taken as an example, geological reserve calculated 354.75×10 8 m 3 , compared with basic proven Block S, 364.84×10 2.61% reliability strong