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符合小层对比原则的砂层内插技术 被引量:7

A SAND BED INTERPOLATION TECHNIQUE IN LINE WITH THE BASIC RULE OF THIN LAYER COMPARISON
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摘要 在研究地下岩性变化及绘制构造岩性剖面时,需要在已知井的岩性柱子之间内插砂层。这个问题不解决,就很难使用计算机来帮助我们研究砂层变化和寻找各种圈闭。本文所介绍的砂层内插技术是一种符合小层对比原则的砂层内插方法。用该方法内插出来的砂层既有厚度变化,同时又具有岩性(振幅)变化。此外,还允许在剖面中存在不整合及断层的情况下作出相应的妥善处理,使输出结果符合一般地质规律。文中给出的砂层内插程序可以在IBM—XT以及其它兼容性微机上运行,效率是很高的。 It should be considered necessary to insert the sand bed between the lithologic columns of the known wells while making the study of lithologic variation and constructing the structural lithologic section. If such a problem could not be resolved then it's difficult to study the variation of sand bed and search for different traps with the aid of computer. The Sand Bed Interpolation Technique(SBIT) recommended in the paper is a method conforming with the basic rule that the thin layer comparison should be made in pursuit of the lithologic variation and matters related. As a result of utilizing the SBIT, we can get the information of both thickness variation and lithologic(amplitude) variation about the sand bed, In addition, it could be appropriately arranged even though in the presence of unconformity and fault on the section so that the outcome of output can coincide with the general geological rule. The sand bed interpolation program. SANDINTE presented in the paper can be run on any microcomputers compatible with IBM-XT and it is proved highly efficient.
作者 李庆忠
出处 《石油物探》 EI CSCD 北大核心 1989年第1期12-21,59,共11页 Geophysical Prospecting For Petroleum
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