地球物理学进展 ›› 2015, Vol. 30 ›› Issue (2): 776-782.doi: 10.6038/pg20150240

• 应用地球物理学Ⅰ • 上一篇    下一篇

我国测井评价技术应用中常见地质问题分析

李浩1, 刘双莲2, 王丹丹1, 谭承军3, 赵连水4   

  1. 1. 中石化勘探开发研究院, 北京 100083;
    2. 中石化石油工程技术研究院, 北京 100101;
    3. 环境保护部核与辐射安全中心, 北京 100082;
    4. 中石油大港油田滩海开发公司, 300280
  • 收稿日期:2014-09-06 修回日期:2014-12-16 出版日期:2015-04-20 发布日期:2015-04-20
  • 通讯作者: 谭承军,男,1963年生,重庆人,博士,高级工程师,从事石油地质与核安全评价.(E-mail:tcj916@163.com) E-mail:tcj916@163.com
  • 作者简介:李浩,男,1969年出生,博士,高级工程师,湖南省祁阳县人,石油地质专业,主要从事测井资料的地质研究工作.(E-mail:lihao@pepris.com)
  • 基金资助:

    石油化工联合基金(40739904)和国家重大专项课题(2008zx05005-002)联合资助.

The common problems analysis in logging evaluation technology application in China

LI Hao1, LIU Shuang-lian2, WANG Dan-dan1, TAN Cheng-jun3, ZHAO Lian-shui4   

  1. 1. Exploration and Production Research Institute, SINOPEC, Beijing 100083, China;
    2. Sinopec Research institute of petroleum Engineering, Beijing 100101, China;
    3. Nuclear and Radiation Safety Center, Ministry of Environmental Protection, Beijing 100082, China;
    4. Neritic Development Company of Da Gang Oilfield Branch Company, PetroChina, Da Gang, Tian Jin 300280, China
  • Received:2014-09-06 Revised:2014-12-16 Online:2015-04-20 Published:2015-04-20

摘要:

现今的常见测井评价方法主要以微观模型为基础, 以岩电实验为依据, 并普遍适用于相对大构造背景下、中等孔隙度及简单孔渗结构储层;当地质背景复杂, 即宏观条件引发微观结构复杂化后, 上述方法会普遍出现不适应问题, 其中, 忽略地质背景因素对测井评价技术的有效指导, 是产生这种不适应问题的重要因素之一.由于地质背景中事件的内因改变必然引起测井响应的外因变化, 因此紧抓二者间的内在关系, 以成因关系作为基础分析方法, 深入剖析地质内因改变对测井评价的深刻影响, 弄清测井评价问题的本质原因, 有可能是有效改进上述问题的关键所在.研究表明, 我国现今测井评价技术在应用中常见单一模型导致的思维片面性、复杂岩性构成的认识多解性、注重微观模型造成的自我束缚性、背离地质特征的研究手段不完整性以及评价方法相对仪器研制的滞后性等一系列常见地质问题.针对测井评价技术应用中常见地质问题的分析表明, 正确的应对上述问题, 测井评价技术面临两方面的调整, 一是知识结构的调整;二是对复杂地层开展测井解释理论新探索.

Abstract:

The frequently-used well logging evaluation methods are based on microscopic modes and rock electricity experimentsnow. They are widely applicable to the secondary porosity and simple porosity and permeability structure reservoirs on the relatively large tectonic background. However, once the geological background becomes more complicated that is to say macroscopic conditions imitates the complication of microscopic structure, the methods that we mentioned will meet generally inadaptability problems. One of the important factors that cause the generally inadaptability is ignoring the effective guidance of geological background to the well logging evaluation techniques. Internal changes of geological backgrounds are bound to cause external changes of well logging responses. As a consequence, holding onto the internal relationship between internal changes of geological backgrounds and external change of well logging responses, putting genesis relations as a basis analysis method, deeply analyzing the profound effects to well logging evaluation when the internal geological genesis change, and finding out the essential reasons of the well logging evaluation maybe become the key to improve the problems mentioned effetely. Research shows that in China the well logging evaluation techniques have a series of problems which are one-sided thinking because of the single model, multiple solutions because of the complex lithology, self-restriction caused by focusing on micro-model, incomplete research methods because of deviating from the geological features, the lag of well logging evaluation methods relative to instruments development and other common geological problem. On account of these common geological problems on the application of the well logging evaluation technology, the analysis results show out that there are should be two adjustments of well logging evaluation technology in response of the above problems. The first one of two adjustments is knowledge restructuring adjustment and the second one is to new exploration to the well logging interpretation theory about complicated reservoirs.

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