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地层宏观可钻性与实用原理
引用本文:尹宏锦.地层宏观可钻性与实用原理[J].中国石油大学学报(自然科学版),1988(3).
作者姓名:尹宏锦
作者单位:华东石油学院钻井教研室
摘    要:本文综述了1927年以来传统的岩石可钻性研究及应用的主要趋势,文中指出,岩石为均质体的理论假设限制了传统岩石可钻性的实用效果,且不适应当前钻井技术水平。本文以地层是非均质为基础,提出了统计地层可钻性,认为地层可钻性是随机变量,用概率统计理论处理,所得宏观可钻性有良好的实用效果,是评价非均质地层的新概念,拓宽了岩石可钻性的应用范围。文章归纳了近年来试验研究并应用于实际的三个原理:宏观原理、等概原理及相关原理,以指导实际应用。

关 键 词:岩石  可钻性  宏观  分析

FORMATION MACRO-DRILLABILITY AND THE PRINCIPLES OF ITS APPLICATION
Yin Hongjin.FORMATION MACRO-DRILLABILITY AND THE PRINCIPLES OF ITS APPLICATION[J].Journal of China University of Petroleum,1988(3).
Authors:Yin Hongjin
Institution:Yin Hongjin
Abstract:The trend of research and application of rock drillability since its introduction in 1927 is discussed in this paper. Its application is limited by the assumption of rock homogeneity. The statistical formation drllability is presented by the author on the basis of original nonhomogeneity of the formations. The formation drillability is considered as a random variable. Probability and statistics are used in processing the drillability data. The formation macro-drillability obtained is good in practical use and is a new concept for evaluating the nonhomogeneous formations. The new concept has widened the range of application of drillability. Three guidelines i.e. macroscopic, equal probability and correlation principles are summarized and recommended for application.
Keywords:Rock  Drilliability  Macroscopic  Analysis
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