上沙溪庙组于四川盆地及周边的中生代侏罗系地层，属于中生代红层，为热带荒漠季节性河流沉积，岩性为正长石砂岩、长石石英砂岩与泥岩互层。
川西新场气田中侏罗统上沙溪庙组气藏储层渗透率具强烈的非均质性，储层孔隙结构差异是导致这种非均质性的最直接因素。
The reservoir permeability of the Upper Shaximiao Formation of Middle Jurassic in the Xinchang gas field, western Sichuan is highly heterogeneous and controlled directly by reservoir pore structures.
中江地区沙溪庙组地层在钻井过程中一直存在比较严重的垮塌现象，给该区钻井施工带来较大的技术难题和经济上造成较大损失。
Serious collapsing is always existed in the drilling process in Shaximiao formation of Zhongjiang area, which brings technical difficulty in drilling operation and huge economic loss.
工区东、西两边沙溪庙组具不同的物源沉积，表现在长石含量、碳酸盐岩屑和砂体旋回分布上。
There are different sediment origins for Saximiao formation on both east and west sides of work area, shown in the distribution of feldspar content, carbonate rock cuttings and sandbody cycle.
应用推荐