Abnormal formation fluid pressure often exists in oil-gas bearing basin.
地层流体压力异常是含油气盆地存在的一个普遍现象。
One of its very important applications is as gas bearing material in gyro motor.
碳化硼特种陶瓷的一个极其重要的应用是作为陀螺仪动压马达的轴承材料。
Deposition control the distribution of reservoir, affect the physical property and gas bearing.
沉积相控制的储层的分布，影响着储层的物性和含气性。
In China, the mechanism of oil and gas bearing basins and the type of oil and gas pools are unusual.
中国含油气盆地形成机制及油气藏类型有很大的特殊性。
The tectonic kinematic process of the oil-gas bearing basins is controlled by tectonic dynamic conditions.
含油气盆地的构造运动学过程，受控于大地构造动力学背景。
Based on the reservoir plotted section and effective thickness, it determines the gas bearing area and oil bearing area.
依据油躲剖面图和有效厚度发育情况圈定了含气、含油面积。
The favourable oil-gas bearing area is qualitatively predicted by the use of fuzzy mathematics comprehensive evaluation.
进而应用模糊数学综合评判法定量预测了含油气有利区，并被生产实践所证实。
This paper introduced the slim hole drilling designation and operation in shallow gas bearing reservoirs of Chuanxi area.
介绍了川西地区浅层天然气小眼井钻井设计与施工情况。
This paper describes an analysis of whirl instability of externally pressurized gas bearing with axial slots of tangential supply.
本文利用小扰动法分析了轴向缝切向进气径向气体轴承的稳定性问题。
Among which, there are the developed oil gas bearing formation, coal bearing formation and red continental clastic rock formation.
其中发育有含油气建造、含煤建造和红色陆相碎屑岩建造。
If the gas bearing used in the stage is not well designed, micro-vibration will take place, which makes the stage system lose its accuracy.
这种系统所采用的气浮轴承如果设计不当，会导致系统发生微幅振动，从而影响系统精度。
According to analysis, three factors should be existed during the forming of mud volcano, mud source, fault passage and natural gas bearing.
经分析认为，泥火山的形成须具备泥浆源、断层通道和含天然气三大要素。
It analysed the feasibility and the limitation of applying mining rig and water well rig to slim hole drilling in shallow gas bearing reservoirs.
分析了矿业钻机与水井钻机用于浅层天然气小眼钻井的可行性及局限性。
The technical key of this method is to build up the mathematical dependence of capillary resistance and gas bearing height under equal saturation.
该方法的技术关键是建立等饱和度下的毛细管阻力与含气高度的数学关系式。
Equivalent mathematical model of frequency response function for externally pressurized spherical gas bearing with inherent compensation was built.
建立了静压气体球轴承气膜位移-动态力频响函数的数学模型。
Using new technologies of static pressure bearing, static pressure guide and gas bearing, the mold of Fresnel lenses mirror was precisely manufactured.
采用静压主轴、静压导轨、气浮轴承等高新技术，对菲涅尔透镜模具进行精密加工。
Use the active magnetic bearings (AMB) to improve the rotary accuracy of Externally pressurized gas bearing, realize improvement of spindle rotary accuracy.
利用主动磁轴承来提高气体轴承回转精度，实现主轴回转精度的提高。
A vertical hard bearing two-plane dynamic balancing machine, based on gas bearing technique, was designed, and corresponding mathematic model was established.
基于气浮轴承支承技术，设计了硬支承立式双面动平衡机，建立了相应的数学模型。
The oil and gas accumulation process research is the oil and gas bearing basin research important content, has the extremely important geological significance.
油气成藏过程是含油气盆地研究的重点内容，具有十分重要的地质意义。
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 gas pool prediction and gas bearing abundance prediction can be carried out through the cross plots of density and bulk modulus with density and shear velocity.
利用密度与体积模量以及密度与横波速度的交会图分析可以进行文西地区气藏预测和含气丰度预测。
The result shows that the density and bulk modulus are sensitive to gas bearing formation and the gas bearing sandstone is characterized by low density and bulk modulus.
结果表明，密度和体积模量对气层敏感，含气砂岩具有低密度、低体积模量的特征。
But it will fail to recognize the gas bearing bed buried deeper by the two methods as its porosity log feature is not obvious, especially when density porosity is lower than neutron porosity.
但是，对埋藏较深的气层而言，由于其孔隙度曲线特征并不明显，故用常规方法识别十分困难，特别是当密度孔隙低于中子孔隙度时，上述两方法识别气层均失败。
And Darcy flow production equation with gas-bearing volume may reflect the characteristics of methane migration in coal measure strata more really.
把含气量引入达西流产量公式也许能更真实地反映甲烷气体在煤储层中流动产出的特征。
It is theoretically considered that reservoir gas-bearing makes interval transit time porosity and density porosity increase and neutron porosity decrease.
理论上认为，储层含气使声波时差孔隙度和密度孔隙度增大，使中子孔隙度减少。
The key to produce this shallow gas is to use a set of negative suction technique besides that a series of measures for protecting the shallow gas-bearing formation must be adapted while drilling.
要把这类浅层气开采出来，除必须实施保护浅气层的钻井措施外，关键在于采用一套负压抽汲采气技术。
The main factors of influencing coal-bed gas production are permeability, thickness, and gas-bearing volume of the coal-bed.
影响煤层气产量的主要因素是煤层渗透率、煤层厚度及含气量。
Statistics of gas in place, gas-bearing area and reservoiring period of over 60 large and medium gas fields in China show that their accumulation efficiencies vary greatly.
中国60余个大中型气田天然气地质储量、含气面积和成藏时期的统计结果表明，中国大中型气田的聚集效率差别很大。
The Lower Permian at Tabamiao region is a large area gas-bearing formation consisting of many sandbeds interconnected and superposed.
塔巴庙地区下二叠统是多砂层复合叠加连片，大面积含气的层位。
The Lower Permian at Tabamiao region is a large area gas-bearing formation consisting of many sandbeds interconnected and superposed.
塔巴庙地区下二叠统是多砂层复合叠加连片，大面积含气的层位。
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