The Burgess Shale formation also has fossils of many extinct representatives of modern animal groups.
伯吉斯页岩地层中也有许多代表着现代动物群中已经灭绝的物种的化石。
A shale formation with sandstone interbedded is also a potential oil bearing formation.
以泥岩为主，夹砂岩的地层也可能是油气层。
There are many factors to affect identification of oil and gas bearing layers in the sand-shale formation.
在砂泥岩地层中，影响油、气层识别的因素较多，尤其在复杂地质条件下准确识别油气层难度更大。
Horizontal maximum and minimum principal stresses are nearly equal in shale formation, and very different in sand formation.
在泥岩段水平最大与最小主应力基本相等或相差甚小，在砂岩段才呈现较大差异。
Many shale formations, such as the Marcellus shale, are so large that only a small portion of the entire formation has been intensively production-tested.
许多页岩地层，如MarcellusShale，经过整个地层的部分密集生产测试，证实这样的差异相当大。
I suspect the debate on this will be long, and the answers will be different for each shale gas formation; but it is important that we tackle this debate.
我认为关于(页岩气)的争论会持续很长时间，对于每个页岩气构造的回答也会不同；但重要的事我们要解决这一争论。
Medium hard formation with high compressive strength. Such as hard shale, limestone, sandstone, dolomite, anhydrite and marble.
高抗压强度的中硬地层，如硬页岩。石灰岩。砂岩。白云岩。和硬石膏。大理石。
Low compressive strength of soft to medium formations. Such as soft shale, soft limestone, soft sandstone, hard and soft abrasive interbedded medium formation.
低抗压强度的软到中等地层，如中软页岩。中软石灰岩。中软砂岩。和软硬研磨性夹层的中等地层。
Low compressive strength of the soft formation, such as mudstone, gypsum, gypsum, soft shale, soft limestone, sandstone.
低抗压强度的软地层，如泥岩。石膏。盐岩。软页岩。软石灰岩。砂岩。
It also bought 200, 000 acres of the Duvernay shale gas formation in Alberta, Canada. Expect the buying to continue: Chevron says it will boost capital spending 20% this year to $26 billion.
它还在阿尔伯达(加拿大西部的一省)买下了200,000英亩的Duvernay页岩气资源估计购买将会继续：雪佛龙称今年的资本支出将会增加20%，达到260亿美元。
The Laiyang Formation is composed of conglomerate, sandstone, mudstone and shale.
莱阳组由砾岩、砂岩、泥岩、页岩等岩石组成。
The oil shale of Wulidui Formation in the Wucheng Basin, Tongbai occurs as brown-black, thin and soft slices with an average oil yield up to 6.
桐柏吴城盆地五里堆组油页岩为棕黑色，质细而软，呈薄片状产出，平均含油率为6。
According to the industrial division criterion of the oil shale, the oil shales of the Dalianhe Formation belonged to the middle oil yield with low-ash.
根据油页岩工业划分标准，达连河油页岩属于中灰分、低含油率的油页岩。
Due to the higher thermal expansion of fluid in low permeability shale, the super pore pressure may lead to the development of effective tensile stress and even formation fracturing.
由于低渗透页岩地层流体高温膨胀导致的超孔隙压力，有可能产生有效拉张应力，严重时会导致地层破裂。
On the other hand, Archie's parameters are related to temperature, shale content and the resistivity of formation water.
阿尔奇参数是受温度、泥质含量、地层水电阻率等多种因素的影响。
The lower formation is consisted of loose limestone, shale and sandstone, with low formation pressure coefficient.
下部地层以石灰岩、泥页岩、砂岩为主，地层疏松，易漏失，属低压高产地层。
Resistivity curve is mainly used in the calculation of formation shale content in the logging interpretation for conglomerate reservoir at present.
浊积岩储层中受放射性矿物和地层水矿化度的影响，使得自然伽马曲线和自然电位曲线不能真实地反映储层泥质含量情况。
If fracture porosity is 2%, it was derived from the simulation result that using high-resistivity mud (500 Q -m) can identify shale fractured formation which includes 750 fractures or more.
由模拟的结果得出当裂缝孔隙度为2%时，用高电阻率泥浆(500欧姆·米)可识别含有750条缝的微裂缝泥岩地层。
In the Es1 Formation in Qikou Sag, the interlaminated coccolith limestone and mudstone develops extensively, in some literature, it is classified as "oil shale" because of the oil bearing.
歧口凹陷古近系沙河街组一段广泛发育颗石灰岩与泥岩的纹层状互层，因其含油而被误认为“油页岩”。
Abundant in natural gas sources, Jurassic Shaximiao Formation in west Sichuan Basin is a red sandstone and shale mainly deposited in fluvial, deltaic shoal faces.
四川盆地西部侏罗系沙溪庙组是河流—三角洲—滨浅湖沉积为主的红色砂泥岩系，天然气资源相当丰富。
The Upper Triassic Formation is sub-abysmal basinal facies deposit in the south and north depressions. A black shale layer developed.
上三叠统在南、北坳陷为次深海盆地相沉积，发育一套黑色页岩烃源层；
The oil shale mainly occurs in the Eocene-Oligocene Youganwo Formation.
油页岩主要赋存于始新渐新统油柑窝组。
The method of predicting formation pressure using sonic logging data is presented. The self-potential and micro electric logs are used to calibrate the shale interval in F11 Well of Dongying sag.
在用自然电位或微电极测井曲线标定泥岩段的基础上，利用声波测井数据预测地层孔隙压力，并以樊11-1井为例进行计算。
The specimen was collected from the grayish-green mudstone and shale of the Upper part, the Lower Member of the Middle Triassic Tongchuan Formation (Tr2t), Tongchuan region, Shaanxi Province, China.
化石标本采自于陕西铜川中三叠世铜川组下段上部的灰绿色泥岩和页岩。
The Youganwo Formation is the main mining horizon where the oil shale lies on the top of coal beds. The sedimentary environment of the oil shale belongs to a moderate deep lake system.
油柑窝组油页岩与煤层伴生，分布在煤层顶部，是最主要的含矿层位，形成于半深湖相沉积环境。
Especially, a new method for determination the percentage of dark shale in this lacustrine shoreline and more detailed description of the deposit distribution of upper Guantao formation are provided.
提出了确定浅水湖泊岸线的暗色泥岩百分含量方法，并且进一步勾画出沾化凹陷馆上段的沉积相分布。
Coal gas reservoir has different physical properties from sand and shale stone formation, it is difficult for conventional test to get formation parameters.
煤气储层具有与砂泥岩地层不同的储层物性，常规测试很难获取地层参数。
Coal gas reservoir has different physical properties from sand and shale stone formation, it is difficult for conventional test to get formation parameters.
煤气储层具有与砂泥岩地层不同的储层物性，常规测试很难获取地层参数。
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