1.
A portion of stratified rock separated from a main formation by erosion.
外露层由于受腐蚀而从主岩层脱落的成层岩石的一部分
2.
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。
3.
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。
4.
The types of reservoirs main include base rock weathering crust, sandstone, tuffaceous sandstone and conglomerate.
储层类型主要包括基岩风化壳、岩、灰质砂岩和砾岩。
5.
The intercalations are divided into five types, such as muddy intercalation, silty intercalation, calcareous intercalation, marly intercalation, and gravel intercalation.
夹层类型主要有泥岩夹层、粉砂质泥岩夹层、灰质夹层、泥灰质夹层和砾石质夹层5种。
6.
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。
7.
The principal direction of small-scale movement is from a shale or clay to a sandstone or other permeable bed.
小范围运动主要从页岩或粘土岩向砂岩或其他渗透性地层中运动。
8.
It passes mainly through the purple--color soft sandrock and mudstone in Triassic or Dyas Systems.
隧道主要通过三迭系、二迭系紫红色软质砂岩、泥岩岩层。
9.
Bedding is the most important structural feature of sedimentary rock.
层理是沉积岩最主要的构造特征。
10.
The Main Chromitite Seam and the Merensky Reef do not outcrop well.
主铬铁岩矿层及麦仑斯基矿层出露不好。
11.
The deposit is contained in the predominantly calc-silicate upper part of the corella formation.
矿床位于科雷拉岩系上部主要为钙质-硅酸盐类的岩层中。
12.
Major Lithological Distribution and Log Response Analysis of Volcanic Rock Bearing Strata in Hailar Basin
海拉尔盆地含火山岩地层主要岩性分布及测井响应分析
13.
Phosphorites are the main components in the old layers of the Co-rich crusts.
磷酸盐岩是富钴结壳老壳层的主要组分之一。
14.
Research on Influences of the Primary Key Stratum on Evolution of Water Flowing Fractured Zone;
覆岩主关键层对导水裂隙演化影响的研究
15.
Main Factors Controlling the Evolution of Physical Properties During the Process of Reservoir Sedimentation-Diagenesis
储层沉积-成岩过程中物性演化的主控因素
16.
RESEARCH OF THE VOLCANIC ROCK RESERVOIR TYPES AND MAIN CONTROL FACTORS IN XUSHEN GAS FIELD
徐深气田火山岩储层类型与主控因素研究
17.
Analysis of main controlling factors of formation evolution in grain-beach carbonate reservoir
颗粒滩相碳酸盐岩储层发育演化的主控因素
18.
Study on Complex Active Support System of Seam Gateway with Thick Carbonaceous Mudstone Roof
厚层炭质泥岩顶板煤巷复合主动支护系统研究