Study on Perforation Effectiveness of Shaped Charges in Different Sandstones;
聚能射孔弹在不同砂岩上的射孔效果研究
Mechanisms and significance of microfractures generated by microwave heating in sandstone reservoirs;
砂岩储集层微波加热产生微裂缝的机理及意义
The Influences of Deep In-Situ Stress Field on Mechanical Properties of Sandstone;
深部地应力环境对砂岩力学性质的影响
Origin of high-quality reservoirs of the second and fourth member sandstones, Xujiahe Formation, upper Triassic in the center of Sichuan Basin;
川中地区上三叠统须家河组二段和四段砂岩优质储层成因探讨
Sedimentation and diagenesis characters of the sandstones in the upper Shihezi Formation in Boshan area;
博山地区上石盒子组露头砂岩沉积成岩特征
U-Pb zircon dating data for samples of the mafic and acidic rocks as well as sandstones hosted in the Neoproterozoic basement strata in the western Jiangnan orogen reveal that deposition of the terrigenous fragments in the island-arc area took place between 872 Ma and 835 Ma.
基底地层中砂岩的碎屑锆石及夹层中基性—酸性火山岩的锆石U-Pb定年表明,在扬子板块东南缘,新元古代岛弧岩浆活动的时间约为878~822Ma,岛弧地区陆源碎屑的沉积作用发生在872~835Ma期间,表明存在同时代的(coeval)"岛弧岩浆作用"和"沉积作用"。
lithic arkosic wacke
岩屑长石砂岩质杂砂岩
Sands lithify into sandstones.
砂经过石化而成砂岩。
lithic subarkosic wacke
岩屑亚长石砂岩质杂砂岩
Sandstones are, as a rule, interbedded with shales.
砂岩通常都与页岩互层。
sedimentary rocks,eg sandstone,limestone,slate
沉积岩(如砂岩、石灰岩、板岩).
The channel type is very unusual, of all the types of sandstone.
在各类砂岩中,水道砂岩是很特殊的。
Any of various dark gray sandstones that contain shale.
杂砂岩任何含有页岩的多种黑灰色砂岩之一
water in sand estimator
砂岩内含水量测定仪
Uranium coats sand grains.
铀被覆盖在砂岩颗粒上。
It intruded Eocene sandstones.
它侵入始新世砂岩。
The oil-bearing content of oilsand is close to rock lithology, and therefore high oil content occur mainly in fine-grained sandstone and fine-median grained sandstone.
油砂含油性与岩性关系密切,含油率较高的油砂岩性主要是细砂岩、中细砂岩。
Mechanism Study of Sand Production and Sand Control of Unconsolidated Sandstone Oil Reservoirs in Bamianhe Oilfield;
八面河油田疏松砂岩油藏出砂与防砂机理探讨
The sanding mechanism and sanding critical drawdown calculation in loose sandstone
疏松砂岩出砂机理与出砂临界压差计算方法
2.16 The brief target oil and gas zone are from 2300 to 2500 meters. The formation is:sand, sand-stone, shale cross.
主要目的油气层在2300到2500米,其地层岩性为:砂岩、砂砾岩和泥岩互层。
The Comparative Analysis of Diagenesis of Outcrop Sandstones and Core Sandstones in Chengzihe Formation、Muling Formation, Jixi Basin
鸡西盆地城子河组、穆棱组露头砂岩与岩芯砂岩成岩作用比较分析
Study on Cold Production Mechanisms of Poorly Consolidated Sandstone Heavy Oil Reservoirs;
疏松砂岩稠油油藏出砂冷采机理研究
Sandstone and conglomerate are the consolidated equivalent of sand and gravel.
砂岩和砾岩分别是砂和砾石固结的产物。
some thin beds of layered sandstone and dark grey siltstone show slump structures.
一些薄层砂岩和暗灰色粉砂岩显示出滑动构造。