您要查找的是不是：
- This paper reviews the forming reasons of extremely low permeability of tight sandstone gas reservoir,including congenital aggradation and acquired diagenesis. 论述了致密砂岩气藏特低渗形成的原因:即先天的沉积因素和后天的成岩作用等。
- It is easy for a good designer to build a workable gas bearing. 一个好的设计者做出一个可工作的气体轴承并不难。
- Tight sandstone reservoirs are characterized by highly-developed fractures and tight matrixand hydraulic fracturing stimulation is usually needed to economically develop them. 致密砂岩储层具有裂缝发育、基块致密的特点,通常需要水力压裂才能做到经济开采。
- The gas bearing is the key component of the cryogenic turboexpander. 高速气体轴承是低温透平膨胀机的核心部件。
- Its gas-bearing intervals are characterized by tight sandstone with poor porosity and poor permeability,and majority of them are of porous-type and minority are of microfracture. 洛带气田遂宁组为岩性圈闭气藏,储层为低孔隙度、低渗透率致密砂岩,以孔隙型储层为主,部分发育微裂缝。
- A Study on the Recognition Methed of Tight Sandstone Gas Layers 致密砂岩气层识别方法研究
- Especially,the application status and prospect of the aerodynamic gas bearing in turboexpander was also indicated. 对低温氦透平膨胀机的近期研究进展进行了介绍,特别指出了动压气体轴承在透平膨胀机中的应用现状与前景。
- Besides, there are large scale of tight sandstone gas-reservoirs occurred in sandstone formations which are interbedded or nearly the hydrocarbon source rock of deep buried Triassic and Jurassic. 另外,埋深较大的侏罗系及三叠系中与烃源岩互层或很近的砂岩中存在规模很大的致密砂岩气藏;
- Turboexpander is the key of cryogenic machine, and gas bearing is the most important component of it. 透平膨胀机是低温机械的关键设备，高速气体轴承又是其核心部件；
- Guo L B,Wang Z W,Liu D.Similitude criteria of externally pressurized spherical gas bearing with inherent compensation[J].Tribology,2006,26 (3):257-263. [2]郭良斌;王祖温;刘暾.;环面节流静压气体球轴承的相似准则[J]
- Triassic basin is the main oil and gas bearing basin in Algeria, with excellent geologic conditions for hydrocarbon accumulation.The main source rock is Lower Silurian shale. 摘要三叠盆地是阿尔及利亚的主要含油气盆地，油气成藏地质条件优越，主要烃源岩为下志留统页岩。
- low-permeability tight sandstone 低渗透致密砂岩
- Thickness of gas bearing formation acts definitely on producibility of lower permeability sandstones with same petrophysical properties and same gas saturation. 对于低渗透岩性气层,在物性和含气饱和度相同背景下,气层厚度的大小对产能的高低起决定性作用。
- The design principles and the optimum range of the new aerodynamic foil journal bearing with elastic support and self-acting gas bearing cryogenic turboexpander were obtained. 归纳总结了弹性支承箔片动压气体径向轴承的性能特点和最优设计原则，并提出了全动压透平膨胀机的设计准则。
- Diabase is widespread on the northern slope of the Gaoyou sag.The intrusion of diabase into the oil and gas bearing basin may change the environment of oil and gas formation. 苏北盆地高邮凹陷北斜坡辉绿岩普遍发育,辉绿岩侵入到含油气盆地可以改变油气的成藏环境。
- Keywords Fuxin basin;tight sandstone;reservoir;diagenesis; 阜新盆地;致密砂岩;储层;成岩作用;
- Nie Wujun, Liu Dimin, Yuan Fangzheng, et al.Sedimentary facies division and paleogeographic evolution of gas bearing intervals in lower Permian in north Ordos basin.Natural Gas Industry,2001,21 (Suppl. 聂武军,刘棣民,袁芳政,等。鄂北下二叠统含气层段沉积相划分及古地理演化。天然气工业,2001,21卷(增刊)
- Through levels grading, weighted value assignment and comprehensive evaluation weighted value calculation, a set of gas bearing subsystem comprehensive evaluation methods are established. 结果表明，古龙、安达南－昌五、肇州－肇源和双城－呼兰含气子系统为好的含气子系统，是天然气勘探的有利地区。
- Description and Prediction of Gas Pool Fractures in Low Permeability and Tight Sandstone of Hubuzhai Structure 户部寨构造低渗致密砂岩气藏裂缝描述与预测研究
- The map shows the similarity between each location in the study area and the location chosen at oil &gas well or dry well, thus it can predict both favorable and poor sectors of oil &gas bearing. 统计类比图给出了整个研究区中每一基准点与控制点相似属性的个数，因为控制点一般选为油气井位或干井位，因此，可利用统计类比图进行有利区带和不利区带的预测。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries
