sand basin

The gases from the second member of Kongdian formation migrate into the tight sand; form the compact sandstone gas pool. This kind of gas pool has the characteristic of deep basin gas.

孔二段生成的气运移到孔店组致密砂岩层中，形成致密砂岩气藏，研究认为孔店组致密砂岩气藏具有深盆气藏的特征。

The sand reservoir of the Shanxi Formation and lower Shihezi Formation of Upper Palaeozoic in the south of Ordos Basin belongs to tight reservoir. The calcite cementation is one of the key factors causing tight sand reservoir.

鄂尔多斯盆地南部上古生界山西组&下石盒子组砂岩储层岩性致密，方解石的后期胶结作用是导致储层致密化的重要因素之一。

And the first time on the type of tight gas sand Jixi basin done to determine.

进而选择代表该类气藏的川西坳陷致密砂岩气藏与鸡西盆地的成藏条件进行类比。

Natural gas exploration mode of shallow tight sand in the west part of Sichuan Basin

四川盆地西部浅层致密砂岩天然气勘探模式

Fluvial sand body is one of the important reservoir in oil bearing basin.

河流相砂体是含油气盆地中重要的储油层系.

A Study on Sand Basin Design in Land Consolidation in the Southwest Area

西南地区土地整理工作中沉沙池设计探讨

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。

A preliminary study on mechanical properties of shell sand from Zhujiang River mouth basin, south China Sea

南海珠江口盆地贝壳砂土力学性质初步研究

Fengcheng oil-sand deposit is a large scale one located in the northwestern margin of Junggar Basin.

风城油砂矿床位于新疆准噶尔盆地西北缘，是我国近年来发现的一个大型油砂矿。

The marine flysch deposition of early foreland basin appeared in Indosinian; owing to early Indosinian movement the sand mudstones ( T 2) were folded into mountains, which made the late foreland basin be withered away;

印支期出现早期前陆盆地海相复理石沉积，由于早印支运动使T2砂泥岩揉褶成山，晚期前陆盆地夭折。

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。