塔里木盆地塔中地区海相烃源岩测井评价方法
网络出版日期: 2010-12-15
基金资助
本文为中国石化海相前瞻性重点项目“海相复杂油气藏测井地质应用研究”(编号:PH08004)部分研究成果
Logging evaluation method for marine source rocks in middle Tarim Basin
Online published: 2010-12-15
雷涛,周文,杨艺,邓虎成,张光辉,赵安坤 . 塔里木盆地塔中地区海相烃源岩测井评价方法[J]. 岩性油气藏, 2010 , 22(4) : 89 -94 . DOI: 10.3969/j.issn.1673-8926.2010.04.016
The evaluation of source rocks by logging has the characteristics of low-cost, good vertical continuity and practicability. Based on physical characteristics of organic matter and theoretical model of source rocks, the conventional log response characteristics of Ordovician source rocks in middle TarimBasin are analyzed. The result shows that the organic matter abundance is closely related to the elastic parameters, uranium and thorium content ratio and ΔGR, and the crossplot between acoustic and resistivity and crossplot between density and resistivity are established to recognize source rocks quantitatively. In the aspect of organic matter abundance evaluation, ΔlogR method and BP network method are used to describe the vertical heterogeneity of source rocks, which provides a reliable basis for dividing source rocks effectively.
Key words: sequence stratigraphy; seismic facies; Bengal fan
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