Sand was deposited which hardened into sandstone.
沙经沉积固结形成沙岩。
The result is that sandstone, for example, can be as porous as the loose sand from which it was formed.
因此，举个例子，沙岩可以和构成它的疏松的沙粒一样具有多孔渗水的特点。
Sandstone and conglomerate are the consolidated equivalent of sand and gravel.
砂岩和砾岩辨别是砂和砾石凝结的产品。
Sand production of fine loose sandstone is one of increasingly serious questions during gas reservoirs product, but methods about controlling sand are not found.
粉细疏松砂岩的出砂是气藏开采过程中日益严重的问题之一，而在其防治方面一直没有好的办法。
In addition, the island also boasts endless natural beauty from white sand beaches to red sandstone cliffs.
除此之外，从银白色的沙滩到红砂岩的峭壁都值得赞许，这是该岛有这样无尽的自然美景。
Blue and purple sand color close, while for the blue, sand part blue sandstone said.
蓝砂石颜色接近紫色，里边的砂部门为蓝色，故称蓝砂石。
Wudaoliang group is grayish - white, yellow - grey, dark - grey ash rock, which interbeded with the conglomerate, sandstone, a little amount mudstone, oil shale with unconsolidated sand mud rock.
五道梁群以灰白色、灰黄色灰岩为主，含有砾岩、砂岩，夹有少量泥岩、油页岩和未固结砂泥沉积。
The study shows that SC_1 sandstone and SC_2 flagstone are favorable reservoir sand bodies and could be as key targets for exploration of stratigraphic and lithologic oil-gas pools.
研究认为，SC_1旋回滨岸砂岩及SC_2下降半旋回的潮间带薄层砂岩为有利储集砂体，是地层-岩性型油气藏的重点勘探目标。
Sand production in reservoir is one of common problems during the process of sandstone reservoir exploitation.
油层出砂是砂岩油藏开采过程中常见的问题之一。
Sand production is one of the major concerns in unconsolidated sandstone reservoir development.
出砂是疏松砂岩油藏开发面临的主要难题之一。
A new sand - consolidating agent with heat resistance was prepared in accordance with sand production in high temperature sandstone reservoir. The optimum formulation was obtained by orthogonal tests.
针对高温砂岩油藏出砂特点，研制了一种新型高温固砂剂，用正交试验法优化了固砂剂配方。
As natural sandstone resources shortage, countries gradually has formulated a series of policies and regulations to limit natural sand mining.
随着天然砂石资源的逐渐短缺，国家制定了一系列政策法规来限制天然砂石的开采。
The sand bodies are consisted of quartz sandstone and lithic sandstone with abundant impurity and lithic fragment.
砂岩主要为富杂基、富岩屑的石英砂岩及岩屑砂岩。
The thickness of this sheet sandstone is related directly to rate of regression and the amount of sand available.
这种席状砂岩的厚度直接取决于海退速率以及砂质供给量。
And it well accustomed to building sand and road sandstone.
对建筑用沙，筑路用沙石优为适宜。
A series of defects exist in the cup circulation pack sand control tools and slip filling sand control tools currently used in Binnan unconsolidated sandstone reservoir.
针对滨南采油厂疏松砂岩出砂油藏所用皮碗式循环充填防砂工具和卡瓦式充填防砂工具存在的一系列弊端，研制应用了新型无卡瓦胶筒式循环充填工具。
While the sand bodies were depositing, the pore texture and the distribution of pore radius in the sandstone were controlled by the sedimentary environments (the dynamic condition of water agents).
砂体沉积时，沉积环境(水动力条件)控制了砂岩中孔喉等效半径分布规律。
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 middle and later stages of the oil fields 'exploitation, the sand production of loose sandstone deposit is increasingly serious, seriously affecting the oil field regular production.
油田开采到中后期，疏松砂岩油藏的出砂问题愈来愈突出，严重影响了油田的正常生产。
When the production tail of a well comes, sand production is very common in sandstone reservoirs. It is necessary to proceed a cleanout service.
当油井进入生产后期后，许多疏松砂岩油藏出砂现象非常普遍，这时候需要对油井进行冲砂作业。
Hence, it is proposed to allow an appropriate amount of sand production during recovery of unconsolidated sandstone gas reservoirs.
疏松砂岩气藏在开采过程中容易出砂，采取完全防砂的方式进行开采，既增加了气井的成本，又降低了气藏的开发速度。
The level the anisotropic research, basing on the lamination factor, the sandstone density and the overlap coefficient describes the sand body growth and the distribution;
层间非均质性研究，通过分层系数、砂岩密度及重叠系数来描述砂层的发育与分布；
Using the core of type-well in Lower S_3 of Pan 'er area, the sand producing laws of loose sandstone reservoir are investigated by core flow test.
使用盘二块沙三下典型井的岩心，通过岩心流动试验，研究了疏松砂岩油藏油层的出砂规律。
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。
East anchorage is considered as one of anchors for tunnel anchorage, which is assigned in silty-sandstone and sand-mudstone layers.
东锚碇为隧道锚，布置在粉质砂岩和砂质泥岩互层岩体中，锚碇及围岩体的变形状态直接影响大桥的稳定和安全。
A coastal sand body of submerged fan, a carbonate deposited on the slope on LST, and every sandstone related to the delta deposit is a good reservoir.
低水位近岸(水下)扇、斜坡碳酸盐岩、与三角洲有关的各类砂体是良好的油气储层。
A coastal sand body of submerged fan, a carbonate deposited on the slope on LST, and every sandstone related to the delta deposit is a good reservoir.
低水位近岸(水下)扇、斜坡碳酸盐岩、与三角洲有关的各类砂体是良好的油气储层。
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