一种利用测井曲线齿化率刻画河道的新方法

doi:10.11764/j.issn.1672-1926.2018.10.023

天然气地球科学

一种利用测井曲线齿化率刻画河道的新方法

张广权，李浩，胡向阳，陈舒薇，高阳

中国石化勘探开发研究院，北京100083

收稿日期:2018-09-07 修回日期:2018-10-25 出版日期:2018-12-10
作者简介:张广权（1979-），男，河北沧州人，高级工程师，硕士，主要从事石油与天然气开发研究.E-mail：zhanggq.syky@sinopec.com.
基金资助:
中石化科技攻关项目“东胜气田复杂含水气藏描述与开发技术政策”（编号：P16064）资助.

Study of the method of portrayed the river by calculating the tooth rate of logging curve

Zhang Guang-quan,Li Hao，Hu Xiang-yang，Chen Shu-wei，Gao Yang

Research Institute of Petroleum Exploration&Production,SINOPEC，Beijing 100083,China

Received:2018-09-07 Revised:2018-10-25 Online:2018-12-10

摘要/Abstract

摘要： 为了精细描述以河道微相为主的油气田储层展布，对河道微相刻画的精度要求日益增高。针对目前沉积微相刻画存在的问题和难点，提出一种利用测井曲线计算齿化率，以此来确定河道位置、高精度刻画河道的方法。齿化率采用测井三参数来表征，即齿的幅度、齿的分布密度和齿的分布频率。总体思路是首先计算测井三参数，然后赋予每个参数一定的权重系数，得出该测井曲线段的齿化率。根据齿化率的大小，分析该段测井位于河道的具体位置，最后精细刻画河道。该方法相对于传统的沉积相研究，在相边界的刻画精度方面有了明显的提高，达到了半定量—定量的精度。将该方法应用于鄂尔多斯盆地某气田的沉积微相研究的实践表明，齿化率技术能清晰刻画河道特征，为有利区优选及井位部署提供准确依据，其研究成果可直接应用于生产中。

关键词: 沉积微相, 测井曲线参数, 齿化率, 有利区优选

Abstract: In order to accurately describe the reservoir distribution of the oil and gas field，the precision of the portrayal of the channel microfacies is getting higher and higher.Aiming at the existing problems and difficulties in sedimentary microfacies，a method of determining the location of river channels and describing the river channels with high accuracy is proposed by calculating the tooth rate of logging curves.The tooth rate is characterized by the amplitude of the tooth，the density of the tooth and the frequency of the tooth distribution.The general idea is to calculate the three parameters of logging first，and then give eachparameter a certain weight coefficient，and get the tooth rate of the curve section of the log.According to the size of the tooth rate，the specific location of the log in the channel is analyzed，and the channel is finely depicted. Compared with traditional method of sedimentary facies research，the method has improved the accuracy of the boundary characterization and achieved semi-quantitative or quantitative accuracy.In the application of sedimentary research of X Gasfield in Ordos Basin，the position of the river is determined by the tooth rate，and the accuracy of the boundary is obviously improved.The research results can be applied directly to the production and guide the optimization of the favorable area and the deployment of the well position.

Key words: Sedimentary microfacies, Logging curve parameters, Tooth rate, Favorable area optimization<

中图分类号:

TE132.1+4

张广权, 李浩, 胡向阳, 陈舒薇, 高阳. 一种利用测井曲线齿化率刻画河道的新方法[J]. 天然气地球科学, 2018, 28(12): 1767–1774.

Zhang Guang-quan, Li Hao, Hu Xiang-yang, Chen Shu-wei, Gao Yang. Study of the method of portrayed the river by calculating the tooth rate of logging curve[J]. Natural Gas Geoscience, 2018, 28(12): 1767–1774.

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