Progress and research direction of deep shale gas exploration and development

Guo Tonglou

doi:10.13809/j.cnki.cn32-1825/te.2021.01.001

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Progress and research direction of deep shale gas exploration and development

更新时间：2025-07-10

- Progress and research direction of deep shale gas exploration and development
- Petroleum Reservoir Evaluation and Development Issue 1, Pages: 1-6(2021)
- 作者机构：
  
  中国石化西南油气分公司
- 作者简介：
- 基金信息：
- DOI：10.13809/j.cnki.cn32-1825/te.2021.01.001
  CLC： TE37;P618.13
- Published：2021
- 稿件说明：
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[1]郭彤楼.深层页岩气勘探开发进展与攻关方向[J].油气藏评价与开发,2021,11(01):1-6.

Guo Tonglou. Progress and research direction of deep shale gas exploration and development[J]. Petroleum Reservoir Evaluation and Development, 2021, (1): 1-6.
[1]郭彤楼.深层页岩气勘探开发进展与攻关方向[J].油气藏评价与开发,2021,11(01):1-6. DOI： 10.13809/j.cnki.cn32-1825/te.2021.01.001.

Guo Tonglou. Progress and research direction of deep shale gas exploration and development[J]. Petroleum Reservoir Evaluation and Development, 2021, (1): 1-6. DOI： 10.13809/j.cnki.cn32-1825/te.2021.01.001.

摘要

通过对近年来深层页岩气突破井的总结

提出了深层页岩气的4个地质特点:①深、浅层页岩基本评价参数相似

但深层页岩含气量和孔隙度一般都要高于中深层;②深层页岩水平应力差远大于中深层;③盆地内深层页岩气普遍表现为超压

压力系数普遍在1.9～2.1

盆地边缘复杂构造区则表现为常压;④正向构造依然是深层页岩气获得高产的主要因素。根据Haynesville和Barnett页岩气田单井生产曲线递减特征分析和四川盆地深层页岩气地质特点

指出了深层页岩气存在的理论认识创新、工程工艺适用性、成本与效益开发3个主要方面问题及其相应的攻关对策。

Abstract

Based on the summary of deep shale gas breakthrough wells in recent years

four geological characteristics of deep shale gas are put forward. First

the basic evaluation parameters of deep and shallow shale are similar

but gas content and porosity of deep shale are generally higher than those of medium-deep shale. Second

the horizontal stress difference of deep shale is much greater than that of medium-deep shale. Third

deep shale gas in the basin is generally overpressured

and the pressure coefficient is generally between 1.9 and 2.1

while the complex structure area at the edge of the basin is normally pressured. Fourth

the positive structure is still the main factor for high yield of deep shale gas. Based on the analysis of the decline characteristics of single well production curve in Haynesville and Barnett shale gas fields and the geological characteristics of deep shale gas in Sichuan Basin

three main problems of deep shale gas

namely theoretical understanding innovation

engineering process applicability as well as cost and benefit development. The corresponding countermeasures are also pointed out.

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Keywords

references

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