利用势的叠加原理，给出了非均质油层压力分布预测模型。
According to the theory of potential superimposition, the model to predict pressure distribution in a heterogeneous formation has been established.
此开关能在井内压力小于油层压力时开启，大于油层压力时关闭。
The switch can be opened or closed when the well pressure is lower or higher than the reservoir pressure respectively.
油层压裂改造是开发好低渗透油田最基本的措施以及尽早卡堵水的问题等。
Formation fracturing is the basic measure to develop low permeability oil field. Water searching and shutoff should be done early.
储集层里原油的流速取决于井底压力、油层压力、岩石渗透率和原油粘度。
The flow rate of reservoir crude depends on bottom-hole pressure, reservoir pressure, rock permeability, and the viscosity of the oil.
用热采的方法开采高升油田的稠油，存在着井深、油层压力高两大技术难点。
Two difficult problems, ie: deep well and high pressure, should be treated in the application of thermal drive to the viscous oil encountered in Gaosheng oilfield.
译：储集层里原油的流速取决于井底压力、油层压力、岩石渗透率和原油粘度。
Thee flow rate of reservoir crude depends on bottom-hole pressure, reservoir pressure, rock permeability, and the viscosity of the oil.
进一步对油层进行分类，有针对性地为油层压裂提供施工层位和准确的储层参数。
Oil bearing layers are classified in order to provide fracturing layer of interest and accurate reservoir parameters.
渗透率越低，孔喉半径越小，油层压力越低，越容易产生水锁损害，且越难以解除其损害。
The lower the permeability and the smaller the pore-throat radius as well as the lower the reservoir pressure, the easier the formation of water locking damage, and it is difficult to be removed.
油田注水是保持油层压力、降低原油递减率的主要措施，注水泵机组是油田注水的关键设备。
Oilfield water injection is the main way to keep the reservoir pressure, and to reduce the crude oil decline.
疏松砂岩油藏开采过程中，油层压力下降和采油速度的增加以及岩石结构的破坏，是造成油层岩石微细粒运移和油井出砂的主要原因。
Reservoir pressure decline, the increase of recovery rate and the damage of rock structure are main reasons of micro fine migration and sand production during oil recovery process of such reservoirs.
疏松砂岩油藏开采过程中，油层压力下降和采油速度的增加以及岩石结构的破坏，是造成油层岩石微细粒运移和油井出砂的主要原因。
Reservoir pressure decline, the increase of recovery rate and the damage of rock structure are main reasons of micro fine migration and sand production during oil recovery process of s...
主要评价因素包括表皮系数、油层渗透率、油层厚度和目前地层压力。
Major evaluation elements include skin factor, reservoir permeability, thickness, and current formation pressure.
如果使用传统的均质、厚油层的水力压裂裂缝延伸模拟方法对多层压裂的裂缝延伸进行模拟必然会产生较大的误差。
Error will appear if we use the conventional hydraulic fracture simulation method of homogeneous, thick reservoir in the multiple zones fracture.
在综合考虑了油层渗透率、地层压力、井底流压等对油井产液量产生影响的因素的基础上，建立了基于上述网络算法的抽油井流入动态预测模型。
Considering oil penetrable rate, stratum pressure, liquid pressure, etc, which affect oil well yield, a network model of oil well drifting forecast was established.
在综合考虑了油层渗透率、地层压力、井底流压等对油井产液量产生影响的因素的基础上，建立了基于上述网络算法的抽油井流入动态预测模型。
Considering oil penetrable rate, stratum pressure, liquid pressure, etc, which affect oil well yield, a network model of oil well drifting forecast was established.
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