Research on Kekeya tight sandstone gas layer evaluation

The layer rock Kekeya is deep buried with low porosity,low permeability and poor oil and gas electrical characteris-tics.In this paper,core data,rock-electricity test,mineral analysis,mercury injection data,relative permeability data,oil test,geology logging data have been used with conven-tional well logging method and special logging new technolo-gy.The author has applied various logging technologies and methods as curve over lapping,logging cross plot,crossed dipoles acoustic wave processing to establish a set of evalua-tion standard suitable for Kekeya formation fluid.