【摘要】 曾洪流,张万选,张厚福:实现速度—岩性定量解释的几个步骤,《石油地球物理勘探》,23(4)1988:403～410速度—岩性的定量解释包括六个重要步骤:(1)测井岩性解释;(2)用声波时差厚度加权法采样;(3)求取分区综合压实曲线;(4)速度谱解释和层速度平滑;(5)变速时深转换;(6)压实曲线校正。廊固凹陷的解释实例表明,在速度谱密度足够大(每平方公里3～5个以上)、地质条件较简单的条件下,可以实现速度—岩性定量解释,并作出可信度较高的砂岩百分比图。更多还原

【Abstract】 Zen Hongliu,Zhang Wanxuan and Zhang Houfu:Steps for velocity -iithology quantitative interpretation,OGP,23(4)1988:403～410 Velocity-lithology quantitative interpretation includes 6 steps: 1.lithologic interpretation of well logging data; 2.sampling with the use of acoustic interval transit time weight method; 3.the acquirement of general compaction curve in an area; 4.velocity spectrum interpretation and interval velocity curve smoothing; 5.time-depth conversion using variant velocity; 6.the correction of compaction curve. The interpretation example in Langgu depression shows that velo- city-lithology quantitative interpretation can be achieved and sand- content contour map can be drawn on condition that we have both enough dense velocity spectra(3—5 velocity spectra in each km~2 at least)and simple geological structure.更多还原