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X凝析气田石炭系气藏包括X17,X14,X18,X10等4个井区。在岩性研究的基础上,分7种岩性建立储层骨架参数图版,并根据储层岩性、岩相特征的差异,建立了玄武岩、流纹岩、次火山岩、砂砾岩岩电参数关系图版。在储层参数研究的基础上,采用多种方法确定不同岩性有效厚度划分的下限,为油藏描述提供了准确的储量参数。通过密闭取心井分析的含气饱和度、岩心分析孔隙度检验数字处理成果,计算的孔隙度和含气饱和度满足储量计算的误差要求,在X气田石炭系天然气探明储量计算中发挥了重要作用。
X condensate gas field Carboniferous gas reservoirs include X17, X14, X18, X10 and other four well areas. On the basis of lithology research, the reservoir skeleton parameter plate is established in seven lithologies. Based on the difference of reservoir lithology and lithofacies characteristics, the relationship between the electrical parameters of basalt, rhyolite, subvolcanic rock and conglomerate rock is established plate. Based on the study of reservoir parameters, a variety of methods are used to determine the lower limit of the effective thickness of lithology, which provides accurate reservoir parameters for reservoir description. The gas saturation analyzed by closed coring well, the results of digital analysis of core analysis porosity test, the calculated porosity and gas saturation meet the error requirements of reserves calculation, and played a role in calculating the proved reserves of Carboniferous natural gas in X gas field Important role.