Research on One Novel Logging Interpretation Method of CBM Reservoir

Advances in Petroleum Exploration and Development Pub Date : 2020-12-26 DOI:10.3968/12102

Qing Feng, Shengsheng Li, Yanni Sun, Ming Zeng, Xiaonan Li, Xuxing Wang

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Abstract

Coalbed methane (CBM) is a kind of natural gas which is stored in the micropores and fractures of the “coal seam” and has not been transported out of the source rock. Conventional logging technology plays an important role in coalbed methane exploration and development. By analyzing the response characteristics of conventional logging of coalbed methane, coal bearing strata are accurately determined. Two methods of statistical model and volume model are established to analyze and calculate industrial components. Based on the study of adsorption isotherm and correlation between logging parameters and coal core gas content, the calculation method of coal seam gas content is determined In practices, the calculation accuracy of industrial components and gas content of coal seam has been significantly improved. Abstract: coalbed methane (CBM) is a kind of natural gas which is stored in the micropores and fractures of “coal seam” and has not been transported out of the source rock. Conventional logging technology plays an important role in coalbed methane exploration and development. By analyzing the response characteristics of conventional logging of coalbed methane, coal bearing strata are accurately determined. Two methods of statistical model and volume model are established to analyze and calculate industrial components. Based on the study of adsorption isotherm and correlation between logging parameters and coal core gas content, the calculation method of coal seam gas content is determined In practice, the calculation accuracy of industrial components and gas content of coal seam has been significantly improved.

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一种新的煤层气储层测井解释方法研究

煤层气(煤层气)是一种储存在“煤层”微孔隙和裂缝中，未被输送出烃源岩的天然气。常规测井技术在煤层气勘探开发中起着重要作用。通过对煤层气常规测井响应特征的分析，准确确定了含煤地层。建立了统计模型和体积模型两种分析计算工业成分的方法。在研究吸附等温线及测井参数与煤芯含气量相关性的基础上，确定了煤层含气量的计算方法。在实践中，工业组分与煤层含气量的计算精度得到了显著提高。摘要煤层气(煤层气)是一种储存在“煤层”微孔隙和裂缝中，未被输送出烃源岩的天然气。常规测井技术在煤层气勘探开发中起着重要作用。通过对煤层气常规测井响应特征的分析，准确确定了含煤地层。建立了统计模型和体积模型两种分析计算工业成分的方法。在研究吸附等温线及测井参数与煤芯含气量相关性的基础上，确定了煤层含气量的计算方法。在实践中，工业组分与煤层含气量的计算精度得到了显著提高。

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Advances in Petroleum Exploration and Development

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