[1]孙细宁,陈奕奕,王桂成,等.延长探区陆相页岩气产能影响因素分析[J].复杂油气藏,2019,12(04):8-14.[doi:10.16181/j.cnki.fzyqc.2019.04.002]
　SUN Xining,CHEN Yiyi,et al.Analysis of influencing factors on productivity ofterrestrial shale gas in Yanchang exploration area[J].Complex Hydrocarbon Reservoirs,2019,12(04):8-14.[doi:10.16181/j.cnki.fzyqc.2019.04.002]
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延长探区陆相页岩气产能影响因素分析()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
12卷
期数:
2019年04期
页码:
8-14
栏目:
油气勘探
出版日期:
2019-12-25

文章信息/Info

Title:
Analysis of influencing factors on productivity ofterrestrial shale gas in Yanchang exploration area
作者:
孙细宁1; 4; 陈奕奕2; 3; 王桂成1; 姜呈馥2; 3; 许小强3; 4
1.西安石油大学,陕西 西安 710065; 2.陕西省陆相页岩气成藏与开发重点实验室,陕西 西安 710075; 3.陕西延长石油(集团)有限责任公司研究院,陕西 西安 710075; 4.陕西省页岩气勘探开发工程技术研究中心,陕西 西安 710075
Author(s):
SUN Xining1;  4;  CHEN Yiyi2; 3;  WANG Guicheng1; JIANG Chengfu2; 3; XU Xiaoqiang3; 4
1. Xi’an Shiyou University, Xi’an 710065, China; 2. Shaanxi Province Key Laboratory of Lacustrine Shale Gas Accumulation and Exploitation, Xi’an 710075, China; 3. Research Institute of Shaanxi Yanchang Petroleum(Group)Co., Ltd., Xi’an 710075,China; 4. Shaanxi Province Engineering Technology Research Center of Shale Gas Exploration and Exploitation, Xi’an 710075, China
关键词:
陆相页岩;  产能;  基质渗透率;  有机质;  延长探区
Keywords:
terrestrial shale;  productivity;  matrix permeability;  organic matter
分类号:
TE132
DOI:
10.16181/j.cnki.fzyqc.2019.04.002
文献标志码:
A
摘要:
目前国内对页岩气产能的影响因素研究较为薄弱。为此,以鄂尔多斯盆地延长探区陆相页岩为研究对象,分别从宏观和微观两方面,深入地分析控制研究区陆相页岩产能的主要因素,认为有三个方面:(1)制约该区陆相页岩气产能的宏观影响因素有高吸附气含量、高黏土含量、强横向非均质性以及低地层压力,微观影响因素主要为有机质的连续性和黏土矿物与有机质之间的复杂空间分布关系;(2)基质渗透率是控制页岩气产能的重要因素,受有机碳(TOC)、有机质孔隙度、矿物成分和黏土矿物类型等多种地质地化因素控制,但控制机理复杂;(3)有机质分散分布,与黏土矿物存在着复杂的共生关系,造成有机质孔隙连通性较差,制约着页岩气产能的提高。
Abstract:
The development of shale gas in China started late. At present, the research on the influencing factors of shale gas production is relatively weak. Therefore, the main factors controlling the production capacity of the terrestrial shale in Yanchang exploration area are analyzed in depth from both macro and micro aspects,research findings are as follows:(1)The macroscopic factors influencing the productivity of terrestrial shale gas in Yanchang exploration area include high adsorption gas content, high clay content, strong transverse heterogeneity and low formation pressure, and the microscopic factors mainly include the continuity of organic matter and the complex spatial distribution relationship between clay mineral and organic matter;(2)Matrix permeability is an important factor to control shale gas productivity, which is controlled by many geochemical factors such as TOC,organic matter porosity,mineral composition and clay mineral type, etc., but the control mechanism is complex;(3)The dispersion and distribution of organic matter and clay minerals have a complex symbiotic relationship, resulting in poor pore connectivity of organic matter, which restricts the improvement of shale gas production capacity.

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备注/Memo

备注/Memo:
收稿日期:2019-06-12; 改回日期:2019-09-22。
第一作者简介:孙细宁(1990—),助理工程师,在读硕士研究生。主要从事非常规油气地质勘探方面的研究。E-mail:925728282@qq.com。
更新日期/Last Update: 2019-12-30