四川盆地深层地质条件复杂, 页岩储层埋藏深度大, 气井产能普遍偏低, 压裂施工面临极大挑战.
为寻找深层页岩气“工程甜点”, 以永川, 丁山地区为例, 利用钻井, 岩心, 成像测井, 地震等资料 …

Fracture effectiveness is of great significance for seeking shale oil exploration targets. The
fracture effectiveness and primary controlling factors in the Cretaceous Qing-1 Member …

Well-developed natural fractures in the tight gas conglomerate reservoirs of the
northwestern Sichuan Basin, China, are proved to greatly contribute to the porosity and …

致密砂岩储层基质物性极差, 天然裂缝的发育为油气的运移与聚集提供渗流通道和储集空间,
有效裂缝的分布明显改善了致密储层储渗性能和单井产量. 利用岩心, 薄片, 测井资料及相关实验 …

Tectonic fractures are the key factors affecting hydrocarbon migration and accumulation in
ultradeep marine carbonate gas reservoirs. Taking the Maokou Formation in the …

The primary gas layer of the Maokou Formation of the JLS structure in the Sichuan Basin is a
typical pore-fracture carbonate gas reservoir. Natural fractures (mainly tectonic fractures) …

Natural fractures are effective reservoir spaces and the main seepage channel for tight
sandstones, which control the migration, enrichment, and productivity of oil and natural gas …

Taking the Lower Silurian Longmaxi Formation in the Changning area of the southern
Sichuan Basin as an example, the characteristics and formation stages of tectonic fractures …

致密砂岩储层普遍具有孔隙度低, 微裂隙发育的特点, 岩石内部常含有强烈的结构非均质性.
致密砂岩发育的微裂隙使储层具有良好的连通性, 促成高饱和气的天然气成藏 …

Abstract In the Sichuan Basin, geologic conditions are complex in deep layers. Burial depth
of shale reservoirs is high. Gas well productivity is widespread low, and hydraulic fracturing …