地震精细解释技术在温南—七克台滚动勘探开发中的应用

APPLICATION OF FINE SEISMIC INTERPRETATION METHOD FOR PROGRESSIVE EXPLORATION AND DEVELOPMENT IN WENNAN-TIKETAI

温南-七克台地区是台北凹陷较有利的滚动勘探开发目标区,针对该区低幅度复杂小断块这类隐闭性圈闭的特点,在充分利用丰富的开发井资料进行多井合成地震记录标定的基础上,采用水平切片初步了解断层、圈闭轮廓,然后应用 Charisma 地震解释软件进行全三维构造精细解释,编制 To 图,最后采用多井约束的变速成图法编制精确构造图。因此提交的滚动井设计与实钻符合率较高,钻探易获得成功。

Wennan-Tiketai area is a favourable target area of progressive explor ationand development in Taibei depression. In accordance with the characteristics of subtle trap of low～amplitude and small complex fault in the area and using abundant development-well data to have calibration of miltiwell synthetic seismogram,the fault and trap outline were understood prelimainarily by using horizontal chip and then,fine interpretation of full three-dimensional structure was conducted by using charisma seismic interpretation software,the To structural map was finished.At last an accuracy structural map was worked out by using variable-speed drawing of miltiwell constraint.So the coincidence rate of rollingwell design and drilling practice was high.