以压缩率为基本参数的测井资料预测油气的理论经验方法

L. Skakalska, A. Nazarevych, V. Kosarchyn
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引用次数: 3

摘要

介绍了测井资料中油气预测的理论与经验相结合的方法。它的基础是充分的岩石物理数学模型,这些岩石的压缩性、孔隙度和压力之间的经验关系,以及岩心资料和声波测井资料(间隔时间或体波速度)。针对声波测井资料缺乏的情况,提出了利用伽马测井资料、电测井资料和邻井测井资料进行预测的方法。所提出的技术是作为理论和经验关系以及由此产生的函数的系统来实现的。在Fortran, c#和Excel环境中开发了适当的软件工具集。该技术在乌克兰西部油气地区的一些结构的井数据上进行了测试:Lishchynska、Buchatska、Ludynska、Zaluzhanska、Zarichnianska、Nyklovytska、Orkhovytska。对这些井的储层岩石物理特征进行了统计估计。为了使该技术的预测更加可靠,本文阐述了所研究的井眼、测井类型和集石器子类型中可用混凝土的经验关系,而不是一般参数基础的关系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
THE THEORETICAL-EMPIRICAL TECHNIQUE OF HYDROCARBONS PREDICTION IN THE BOREHOLES LOGS WITH THE BASIC PARAMETER – COMPRESSIBILITY
The theoretical-empirical technique of hydrocarbon prediction in the boreholes logs is presented. It is based on the adequate physical-mathematical model of rocks, on the empirical relations between compressibility, porosity and pressure for these rocks, on the core data and also on acoustic logging data (the interval times or body wave’s velocities). For the cases of the acoustic logging data absence, the variants of the prediction technique by using data of gamma-logging, electric logging, and the offset logging method are developed. The presented technique is realized as a system of theoretical and empirical relations and the resulting functional. The adequate set of software tools is developed in the Fortran, C# and Excel environments. The technique is tested on the well’s data of a number of structures of Western oil and gas region of Ukraine: Lishchynska, Buchatska, Ludynska, Zaluzhanska, Zarichnianska, Nyklovytska, Orkhovytska. The statistical estimations of petrophysical characteristics of rock-collectors of those wells are presented. For more reliable prediction by the technique, instead of relations for the general parametric base, the empirical relations for concrete available in the studied boreholes logs types and subtypes of rock-collectors are elaborated.
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来源期刊
CiteScore
0.30
自引率
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6
审稿时长
6 weeks
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