Geological features of Guanyinqiao member and its influence on the shale gas production:A case study of Nanchuan district

Li Jiaxin

doi:10.13809/j.cnki.cn32-1825/te.2018.04.014

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Geological features of Guanyinqiao member and its influence on the shale gas production:A case study of Nanchuan district

更新时间：2025-12-05

- Geological features of Guanyinqiao member and its influence on the shale gas production:A case study of Nanchuan district
- Petroleum Reservoir Evaluation and Development Issue 4, Pages: 68-72(2018)
- 作者机构：
  
  中国石化华东油气分公司南川页岩气项目部
- 作者简介：
- 基金信息：
- DOI：10.13809/j.cnki.cn32-1825/te.2018.04.014
  CLC： P618.13
- Published：2018
- 稿件说明：
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[1]李佳欣.观音桥段地质特征及其对页岩气产量的影响——以南川地区为例[J].油气藏评价与开发,2018,8(04):68-72.

Li Jiaxin. Geological features of Guanyinqiao member and its influence on the shale gas production:A case study of Nanchuan district[J]. Petroleum Reservoir Evaluation and Development, 2018, (4): 68-72.
[1]李佳欣.观音桥段地质特征及其对页岩气产量的影响——以南川地区为例[J].油气藏评价与开发,2018,8(04):68-72. DOI： 10.13809/j.cnki.cn32-1825/te.2018.04.014.

Li Jiaxin. Geological features of Guanyinqiao member and its influence on the shale gas production:A case study of Nanchuan district[J]. Petroleum Reservoir Evaluation and Development, 2018, (4): 68-72. DOI： 10.13809/j.cnki.cn32-1825/te.2018.04.014.

摘要

渝东南地区观音桥段为一套赫南特期形成的介壳相泥质灰岩地层

海平面和古地貌控制是影响地层分布的主要因素。其上覆、下伏层均为深水沉积的黑色页岩

岩相上的改变表明沉积环境发生了一定的变化

且在平面上部分地区观音桥段发生缺失。通过对南川地区的观音桥段特征进行分析

结合该地区页岩气井各项静态评价指标及单井产能

研究南川地区的页岩气井产能与观音桥段的存在是否具有一定联系

而影响页岩气产量

其结论对渝东南地区页岩气选区提供地质依据

并对开发政策制定具有一定的指导意义。

Abstract

The guanyinqiao member in Southeast of Chongqing is a suit of argillaceous limestone formation formed in the Nantes period. The sea level and the control of ancient landform are the main factors affecting the strata. The strata overlying and underlying layer are both black shale formed in deep-water sedimentary environment. On the plane

Guanyinqiao member is distributed uniformly and missing in some parts. By analyzing the characteristics of Guanyinqiao member in Nanchuan area

and combined with the static evaluation indexes and single well productivity of the shale gas wells in this area

we analyzed that whether there was the relationship between the productivity of shale gas well and the existence of the member

thus affecting the shale gas production.The conclusion has geological guidance to the selected areas of shale gas in the Southeast of Chongqing

and great guiding significance on exploration strategy of shale gas.

关键词

Keywords

references

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