Oil & Gas Geology ›› 2021, Vol. 42 ›› Issue (1): 16-27.doi: 10.11743/ogg20210102
• Petroleum Geology • Previous Articles Next Articles
Xunyu Cai1(), Peirong Zhao1, Bo Gao2, Tong Zhu2, Lingyu Tian2, Chuanxiang Sun2
Received:
2020-12-21
Online:
2021-02-28
Published:
2021-02-07
CLC Number:
Xunyu Cai, Peirong Zhao, Bo Gao, Tong Zhu, Lingyu Tian, Chuanxiang Sun. Sinopec's shale gas development achievements during the "Thirteenth Five-Year Plan" period and outlook for the future[J]. Oil & Gas Geology, 2021, 42(1): 16-27.
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Table 1
Shale gas resources of potential targets in different areas of the Sichuan Basin and its periphery"
层系 | 领域 | 剩余资源量/ (108 m3) | 资源特点 | 分布有利区 |
志留系 | 4 000 m以浅(压力系数>1.2) | 9 483 | 探明率44%。位于盆地边缘构造复杂区,有利目标面积小 | 已探明:涪陵、威荣、永川已发现:阳春沟、丁山待突破:桂花、南天湖等 |
4 000~4 500 m深层(压力系数>1.2) | 7 966 | 位于盆内,保存条件好,埋藏深,压裂技术攻关是关键,为近中期实现规模增储重点领域 | 已发现:永川、丁山、东溪、凤来待突破:太和、石龙峡、中梁山等 | |
4 500~5 000 m超深层(压力系数>1.2) | 10 465 | 位于盆内,保存条件好,埋藏更深,工程技术突破是关键,为中长期规模增储重点领域 | 待突破:东溪、石龙峡、中梁山、新场、石油沟等 | |
常压(压力系数 < 1.2) | 13 428 | 探明率12%。位于盆缘和盆外,保存条件差,单井产量低,低成本技术攻关是关键,为近中期实现规模增储重点领域 | 已探明:平桥南-东胜已发现:白马、武隆、道真、桑柘坪待突破:松坎、建新-石宝等 | |
合计 | 41 342 | |||
新层系 | 寒武系、侏罗系、二叠系等 | 27 296 | 以陆相、海、陆过渡相页岩气为主,勘探程度和研究认识程度低,配套工程工艺技术有待攻关,是中长期规模增储主要领域 | 已发现:复兴侏罗系、井研-犍为寒武系待突破:元坝、普光侏罗系;建南、普光、南江二叠系;宜昌寒武系等 |
合计 | 68 638 |
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