其中中砂岩和细砂岩是最好的储层。
Reservoir properties of rocks in different sedimentary facies and areas are different.
结果表明随着温度变化，细砂岩存在热破裂阀值。
The thermal cracking threshold of fine sandstone was determined with the change of temperature.
储层岩石类型有砾岩、含砾砂岩、中细砂岩及粉砂岩。
The reservoir rocks consist of conglomerate, pebbly sandstone, medium-fine sandstone and siltstone.
皂市水利枢纽坝基岩体主要为石英细砂岩夹软弱夹层。
The rock mass of dam foundation of Zaoshi Hydroproject is mainly fine silicarenite with soft layers.
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。
The lithology of reservoir is chiefly mid-fine grained sandstone with good sorting and low texture maturity.
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。
E2S2 is mainly the interbeds of gray medium-fine sandstone and dark gray mudstone in different thickness and with good reservoir properties.
王庄油田沙一段粉细砂岩因敏感性严重，导致该油藏长期处于低效开发状态。
In Wangzhuan Oilfield, there existed serious sensitivity in Es1 silty sandstone, it caused low efficient production for long time.
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。
Thus, the degree of nonlinear creep for fine sandstone specimen increases along with loading stress with obvious stress effect.
粉细砂岩油井由于埋藏浅、地层压实程度低、胶结疏松，在较大生产压差下容易出砂。
The fine siltstone reservoir is likely to produce sand under larger pressure drops because of its shallow depth, worse compaction and unconsolidated.
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 rockfill materials of limestone and fine sandstone were tested by large scale plane strain apparatus in air dry and saturated state respectively.
粉细砂岩油藏防砂工艺技术对于提高疏松砂岩粉细砂油藏产能及现场应用有重要的指导意义。
This technology is significant to improve oil production from unconsolidated silty sand stone reservoir and to the field applications.
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 mainly reservoir of Jinzhou 9-3 oil field is mainly delta sediments, composed of pebbly sandstone, sandstone, fine sandstone and siltstone, lithologic composition.
盐湖等深流沉积。风暴重力流、纵向重力流和滑塌重力流中的“ABAB”序和“BBB”序中—细砂岩是油气聚集的有利场所。
The "ABAB", "BBB" sequences middle-fine grained sandstones in longitudinal gravity flows, slide gravity flows and storm gravity flows are favorable for oil and gas accumulation.
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。
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.
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。
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.
这些气层往往由于受传统解释方法的限制而未能被正确地识别，如泥质细砂、粉砂岩等常被误认为是泥岩层或干层。
Restricted by the conventional interpretation techniques, such as the shaly fine sand and siltstone are usually recognized as mudstone or dry formation.
主要岩性有变泥质粉砂岩、长石石英杂砂岩、细砂质长石石英粉砂岩、长石杂砂岩、绢云石英千枚岩等。
Its main rocks is the metamorphic pelitic siltstone, the feldspathic quartz wacke, the fine sandial feldspathic quartz siltstone, the feldspathic wacke and the sericite quartz phyllite etc.
主要岩性有变泥质粉砂岩、长石石英杂砂岩、细砂质长石石英粉砂岩、长石杂砂岩、绢云石英千枚岩等。
Its main rocks is the metamorphic pelitic siltstone, the feldspathic quartz wacke, the fine sandial feldspathic quartz siltstone, the feldspathic wacke and the sericite quartz phyllite etc.
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