烃类检测(HCI)在东海油气勘探中的应用
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摘要
海上钻探成本昂贵 ,因此采用地球物理方法直接找油气是地球物理学家的愿望。构造中聚集了大量的碳氢化合物后 ,必然导致地震信息中的反射系数、速度和频率的变化 ,就会在油气地层中形成“强反射点”或“弱反射点” ,出现反常低频率和低速度 ,从而预测地下储集构造的油气分布特征。
Drilling well is very expensive on the sea, so the geophysics dream of finding the oil and gas directly with geophysical technology. In the structure oil and gas accumulated, seismic datas as reflection coefficient, velocity and frequency would change, the "strong reflection spot" or "weak reflection spot" is formed above the oil and gas layer and the unusualness of the low frequency and low-velocity appears. These are special symbols indicating whether there exists hydrocarbon in the structure.
引文
[1]孔永福亮点找气技术在YN地区的应用石油地球物理勘探,1993,28(增刊2)
    [2]陆基孟地震勘探原理北京:石油工业出版社,1982
    [3]牛毓荃等.反射波地震勘探技术.北京:石油工业出版社,1985.

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