【摘 要】
：
当沉积盆地累计产量超过50×108 bbl油当量(6.82×108 t油或7931.66×108 m3气)和剩余可采资源量超过50× 108 bbl油当量即称之为超级盆地.四川盆地至2019年底油气总产量为6569×108 m3,气油比为80∶1,总剩余可采资源量达136404× 108 m3,属二级超级盆地;由于产出以气为主,故为超级气盆地.四川盆地之所以成为超级气盆地,因其具有4个优势:①气源岩优势,有9组主要气源岩,为全国各盆地之首;②资源量优势,总剩余天然气可采资源量为136404×108 m3,
【机 构】
：
中国石油勘探开发研究院,北京100083;中国石化石油勘探开发研究院,北京100083
论文部分内容阅读
当沉积盆地累计产量超过50×108 bbl油当量(6.82×108 t油或7931.66×108 m3气)和剩余可采资源量超过50× 108 bbl油当量即称之为超级盆地.四川盆地至2019年底油气总产量为6569×108 m3,气油比为80∶1,总剩余可采资源量达136404× 108 m3,属二级超级盆地;由于产出以气为主,故为超级气盆地.四川盆地之所以成为超级气盆地,因其具有4个优势:①气源岩优势,有9组主要气源岩,为全国各盆地之首;②资源量优势,总剩余天然气可采资源量为136404×108 m3,全国各盆地中为第1;③大气田优势,有大气田27个,在全国各盆地位列首位;④总产量优势,至2019年底天然气累计总产量6487.8×108 m3,是全国各盆地之冠.四川盆地在天然气勘探上有4个方向性的重大突破:①页岩气方向性的重大突破,在中国首先发现开发奥陶系五峰组—志留系龙马溪组页岩气;②致密砂岩气方向性的重大突破,中坝气田三叠系须家河组二段气藏是全国首个高采出度致密砂岩气藏;③碳酸盐岩超大气田方向性重大突破;④超深层气藏方向性重大突破.这些方向性重大突破引领和推动相关领域全国盆地取得重要进展.此外,按累计油气产量和剩余可采资源量、盆地大地构造属性和累计产量中油和气占比3类标准,对超级盆地进行了分类.
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