The existence of vast area of tight sand rock, low permeability of sand rock and plenteous gas supply are all favorable conditions for the formation of deep basin gas traps.
大面积致密砂岩的存在、砂岩的低渗透性以及充足的天然气供应都是形成深盆气藏的有利条件。
The tight sand gas is one of unconventional gas, it is also an important candidate resources of conventional gas.
致密砂岩气是非常规天然气的一种，是常规天然气资源最重要的后备资源之一。
Sand fracturing is the major stimulation measure in Western Sichuan tight sandstone gas reservoir.
加砂压裂是川西致密气层普遍采用的改造技术措施；
In the West Sichuan Depression with tight sand, the formation mechanism of traps and gas reservoir is quite complicated, resulted from the basin's complex evolution.
在川西坳陷这个致密砂岩领域，圈闭和气藏的形成机理相当复杂，其根本原因在于盆地有着相当复杂的形成与演化史。
Porous-type sandstone reservoir is shorter and shorter and gas reservoir in tight sand is more and more important.
由于好的孔渗性砂岩油气田越来越少，致密砂岩气藏作为一种非常规气藏近年来逐渐成为勘探和开发的热点。
Porous-type sandstone reservoir is shorter and shorter and gas reservoir in tight sand is more and more important.
由于好的孔渗性砂岩油气田越来越少，致密砂岩气藏作为一种非常规气藏近年来逐渐成为勘探和开发的热点。
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