Lithologic Reservoirs ›› 2015, Vol. 27 ›› Issue (4): 89-95.doi: 10.3969/j.issn.1673-8926.2015.04.013

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Identification method of shale reservoir based on well logging and log information

Yan Jianping1，2， Wen Danni2， Sima Liqiang2， Yan Yu2， Geng Bin3   

  1.  1. Sichuan Key Laboratory of Natural Gas Geology ， Southwest Petroleum University ， Chengdu 610500 ， China ； 2. School of Geoscience and Technology ， Southwest Petroleum University ， Chengdu 610500 ， China ； 3. Geological Scientific Research Institute ， Sinopec Shengli Oilfield Company ， Dongying 257015 ， Shandong ， China
  • Online:2015-07-20 Published:2015-07-20
  • Supported by:

    闫建平（ 1980- ），男，博士，副教授，主要从事测井地质学、岩石物理及非常规储层测井评价方面的教学与研究工作。 地址：（ 610500 ）四川省成都市西南石油大学地球科学与技术学院。 E-mail ： yanjp_tj@163.com 。

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Abstract:

Shale oil and gas reservoir becomes a concerned target in unconventional oil and gas exploration. Taking shale strata of Funing Formation in Gaoyou Sag of Subei Basin as a research subject, this paper used core and testing oil data to demarcate well logging and log information, and further to research the recognition method of unconventional shale oil reservoir. Through the analysis of shale reservoir types and its well logging and log response characteristics, it was found that most shale reservoirs developed calcite lithofacies （crack） with high content of brittleness mineral, and a few developed mudstone facies with low content of brittleness mineral and containing or not containing calcareous. In view of these two kinds of shale reservoir types, the corresponding two kinds of interpretation model were put forward. The bubble chart and radar map can be used to show the differences between two models. The identification method of shale reservoir based on the combination between well logging and log infor mation were established, which can  provide a basis for shale oil and gas reservoir recognition and effective development in Subei Basin.

Key words: ground-based Lidar, digital outcrop, surface modeling, Yanchang Formation, Ordos Basin

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