泥岩盖层中孔隙流体压力同下伏气藏压力值很接近;
The fluid pressure in mudstone pores approximately equals to the pressure in gas reservoir below;
欠压实带可描述成被“壳”包围的一个异常孔隙流体压力带。
An uncompacted belt can be described as an abnormal pore fluid pressure belt surrounded by "shell".
盖层存在毛细管封闭、异常孔隙流体压力封闭两种封闭类型。
There exist capillary seals and abnormal fluid pressure seals in the caprock.
基于系统动力学的基本原理,对烃源岩孔隙流体压力进行了模拟研究。
Based on the theory of system dynamics, the fluid pressure in pores of hydrocarbon source rocks was simulated.
构造应力场引起岩石变形,并使孔隙流体压力发生变化,形成异常流体压力。
Tectonic stress can cause the deformation of rocks as well as the change of fluid pressure in the pore of rocks forming anomaly tectonic fluid pressure.
大厚度盖层毛细管封闭能力强,易形成异常孔隙流体压力和抑制浓度封闭作用。
The caprock with big thickness owns strong capillary sealing ability, can form abnormal pore fluid pressure and the restraining hydrocarbon concentration sealing.
后者是由压力与排烃组成的负反馈控制系统,在其作用下孔隙流体压力不断降低。
The latter is mainly under the control of the processors of hydrocarbon expulsion and thus influences the pressure decrease accordingly. Based on the above analysis, a new model was constructed.
结果表明,有效应力系数随着围压的增加而减小,随着孔隙流体压力的增加而增大。
Prediction of the Stress Concentration Factors of the Nozzles on the Internal Pressure Cylinders;
应力敏感性是指骨架应力和孔隙流体压力共同作用产生的压差对微观孔隙结构的影响。
Stress sensitivity means the influence of pressure difference produced by joint working of the matrix stress and the porous fluid pressure on the porous microstructure.
异常孔隙流体压力可使盖层毛细管封闭能力增强,可使盖层形成抑制封闭作用,使断层具封闭性。
Abnormal pore fluid pressure can enhance capillary sealing ability of caprock and the restraining hydrocarbon concentration sealing ability making faults form sealing.
从地层的异常孔隙流体压力、局部构造形变、断裂作用等多方面分析了ZJD地区裂缝的成因机理。
Fracture genesis mechanism in ZJD area is analyzed from the aspects of abnormal pore fluid pressure in formation, local structural deformation, and fracturing etc.
选用神经网络计算技术对松辽盆地深层孔隙流体压力进行了预测,并对孔隙流体压力的可能成因进行了分析。
The present paper is focused on the prediction of oil and gas by means of neural network computing technique, and on the analysis of possible origins of pore_fluid pressure.
已有的理论研究表明,多孔介质孔隙流体压力对岩石的变形和破坏存在一定影响,不同岩石其影响程度不同。
The existing studies have shown that the pore fluid pressure of porous media has some effects on the deformation and damage of rock, and the influential level is distinct to different rock masses.
对于应力敏感性强的储集层,过低的井底压力降低了近井地带地层的孔隙流体压力,导致裂缝趋于闭合。同时,井壁失稳的可能性也大。
To strong stress sensitivity formation, low BHP reduces pore fluid pressure of near wellbore are which results in the closure of formation fracture.
认为浅井水位作为一种附加力源,以流体载荷、孔隙压力、化学腐蚀的形式作用于地壳岩石,对张北地震的发生起到了促进作用。
We believe, as a additional force source, water level of shallow well acts on the crustal rock in form of fluid loading, pore pressure and chemical erosion, which promotes the Zhangbei earthquake.
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。
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.
海洋天然气水合物的生成除了受温度和压力的影响外,还要受到孔隙水的化学组成、流体中气体的浓度及沉积物类型的影响。
Besides temperature and pressure, the controlling factors for gas hydrate stability also include pore water composition, gas concentration in the fluid and Marine sediment types in the seafloor.
如果树脂凝胶前挥发物的蒸气压力超过树脂流体的压力,则会在层板中生成孔隙,而且孔会长大。
If the volatile vapor pressure in the curing laminate exceeds the actual pressure on the liquid resin prior to gelation, then void formation and growth will occur.
异常的低孔隙压力可发生于流体已排泄的地区。如一个衰竭的油气储层。
Abnormally low pore pressure might occur in areas where fluids have been drained, such as a depleted hydrocarbon reservoir.
在原始条件下,油层岩石与孔隙空间内的流体处于压力平衡状态,一旦钻开油层,这种平衡就被破坏。
In the original conditions, reservoir rocks and fluids inside the pore space in the pressure equilibrium, once the oil drilling, this balance was destroyed.
大量实验表明:当油藏生产原油时,随着地层中流体压力的降低,油层的孔隙度和渗透率下降,特别是在异常高压油藏中尤为显著。
Many experiments show that: when a well produces oil from a reservoir, the porosity and permeability will decrease, as fluid pressure drops, especially for reservoirs with abnormal high pressure.
球壳内作用有流体压力时在瞬时响应模式下位移趋近于零,而孔隙水压力变化相对平缓。
In the case of fluid load the radial displacement in transient response mode tends to zero, and the porewater pressure varies relatively smoothly.
盖层封闭的最常见形式是毛管封闭和压力封闭。这两种形式的封闭能力与岩层的孔隙度、渗透率、砂泥岩含量比以及流体压力有密切关系。
The sealing capability of cap rocks is closely related to the porosity, permeability, the ratio of sand to mud contents and fluid pressure of the rocks.
应用该计算方法和控制技术对大庆油田待钻修井地层孔隙压力和孔隙流体渗流速度进行了计算。
The methods and techniques are used to calculate the pore pressure and filtration velocity of pore fluid from the formation that workover will be conducted in Daqing Oilfield.
将稠油视为宾汉流体,推导了宾汉流体在非稳态状况时地层孔隙中的压力分布数学模型,并求得了数值解。
Assuming heavy oil as Bingham fluid, a mathematic model of non-steady pressure distribution of Bingham fluid in formation pores is derived, and its numerical solution is obtained.
孔隙压力流体评价方法所涉及到的孔覆比和裂缝延伸梯度等参数均为首次定义。
The parameters mentioned are defined for the first time, such as the ratio of pore pressure and upper formation pressure, the fracture extension grads, etc.
储层的孔隙内流体的压力。通常指静水压力,即由地层深度至海平面的水柱施加的压力。
The pressure of fluids within the pores of a reservoir, usually hydrostatic pressure, or the pressure exerted by a column of water from the formation's depth to sea level.
当用气体钻井打开储层时,由于钻进时井筒流动压力远远低于地层孔隙压力,储层流体就不断地流入井筒,并返出到地面。
For gas Drilling, the bottom hole pressure is far smaller than the formation pressure, so that the gas in the reservoir come out to the hole continuously and get out of the well.
碎屑岩浅气层具有储层埋深浅,岩体弱压实的特征,故其间泥质的压实程度低,孔隙空间及所含流体承受的压力较小。
The clastic rock shallow gas layer has the characters of lower deep and infirmness compaction, so that the compaction extent of mud and the pressure of pore volume and liquid are low.
黏弹性流体在变截面孔隙中的高局部压力损失是导致其在多孔介质中渗流阻力异常高的重要原因之一。
Results show that local pressure loss of viscoelastic fluid, where non-uniformity of pore's cross section occurs, is much higher than...
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