The thermal cracking threshold of fine sandstone was determined with the change of temperature.
结果表明随着温度变化，细砂岩存在热破裂阀值。
The reservoir rocks consist of conglomerate, pebbly sandstone, medium-fine sandstone and siltstone.
储层岩石类型有砾岩、含砾砂岩、中细砂岩及粉砂岩。
Thus, the degree of nonlinear creep for fine sandstone specimen increases along with loading stress with obvious stress effect.
所以细砂岩试样的非线性蠕变程度随加载应力水平的提高而提高，载荷效应明显。
E2S2 is mainly the interbeds of gray medium-fine sandstone and dark gray mudstone in different thickness and with good reservoir properties.
沙二段岩性主要为灰色中细砂岩与深灰色泥岩不等厚互层，储层物性较好。
The rockfill materials of limestone and fine sandstone were tested by large scale plane strain apparatus in air dry and saturated state respectively.
应用大型平面应变仪，进行了灰岩及细砂岩两种堆石的风干料及饱和固结排水平面应变试验。
The mainly reservoir of Jinzhou 9-3 oil field is mainly delta sediments, composed of pebbly sandstone, sandstone, fine sandstone and siltstone, lithologic composition.
锦州9 - 3油田主力油层东下段储层主要为三角洲沉积，岩性为含砾砂岩、中砂岩、细砂岩及粉砂岩的岩性组合。
The Upper Triassic Series in the Zixing-Rucheng coalfield in southeastern Hunan is a set of grayish black sandy mudstone, fine sandstone, medium coarse sandstone and coal seams combination.
湘东南地区资汝煤田上三叠统为一套灰黑色砂质泥岩、细砂岩、中粗粒砂岩以及煤层等沉积组合，具有砂泥薄互层层理、斜波状层理、水平层理及大型交错层理等沉积结构。
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。
The reservoirs of the Yanchang formation almost are fine feldspathic sandstone, feldspathic debris sandstone, rock fragment feldspathic sandstone, and little quartzose sandstone.
延长组储集岩主要为细粒的长石砂岩、长石岩屑砂岩、岩屑长石砂岩等，还有少量的石英砂岩。
The lithology of reservoir is chiefly mid-fine grained sandstone with good sorting and low texture maturity.
储层岩性主要为中细砂岩，砂岩分选性好-中等，结构成熟度较低。
Lithology of the Chang-8 oil reservoirs is mainly fine-medium lithic feldspathic sandstone and feldspathic detritus sandstone.
长8油层组储层岩性以细—中粒岩屑长石、长石岩屑砂岩为主。
At other hand, the golden content of the sandstone is higher than that of fine grain siltstone and mudstone, and tends to decrease and stabilize upward in the turbidite sequence.
另外，砂质单元金含量比细粒的粉砂岩和泥岩要高，从浊积岩序列的底部旋回至上部回金的含量降低并由不稳定到稳定等规律。
In this paper the beam particle model at a fine structural scale is presented for analysis of the progressive failure of such brittle disordered materials as sandstone by different loadings.
为了分析砂岩类无序介质在各种荷载作用下的连续破坏过程，本文提出了梁-颗粒细观模型。
The ore-bearing rocks are mainly grey-dark grey, loose and sub-loose, fine-coarse feldspathic quartz sandstone. Uranium occurs in an adsorption manner.
含矿岩石主要为灰—深灰色疏松和次疏松细—粗粒长石石英砂岩，铀主要以吸附形式存在；
Based on combination features of laterolog-3 resistivity, gamma-ray, sonic traces on coal seam, limestone, sandstone, mudstone, fine-grained sandstone, carried out rock and coal seam correlation.
根据密度、三侧向电阻率、自然伽马、声波等测井曲线在煤层、灰岩、砂岩、泥岩、细砂岩等岩性上的组合特征，进行了岩煤层的对比。
The imitational parameters are different for loading section and unloading section of the fine-sandstone deformation curve at the same circulate curve under the same deformation-rate and stress-level.
在相同位移速率和相同载荷水平条件下，同一次循环时岩石变形曲线的加载段与卸载段的相应拟合参数值不同。
The imitational parameters are different for loading section and unloading section of the fine-sandstone deformation curve at the same circulate curve under the same deformation-rate and stress-level.
在相同位移速率和相同载荷水平条件下，同一次循环时岩石变形曲线的加载段与卸载段的相应拟合参数值不同。
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