Carbon pressure ball machine device is a hydraulic pump hydraulic protection will be high pressure oil into the hydraulic cylinder, driving the piston produce axial displacement.
碳素压球机液压保护装置是由液压泵将高压油打入液压缸，使活塞产生轴向位移。
For the slime-tube displacement test, the diagnostic criterion of miscible conditions is the flex point on the changing curve of oil recovery with displacement pressure, but not the high oil recovery.
对于细管驱替实验，混相条件的判断标准应该是采收率随驱替压力变化曲线上的拐点，而不是高的采收率。
Decrease of the oil displacement efficiency of the damaged reservoirs is mainly resulted from the reduction of matrix permeability, change of wettability and increase of capillary pressure.
基质渗透率的降低、润湿性的改变以及毛细管压力的增大是储层驱油效率降低的主要因素。
Oil pressure unit control is adopted in round blade displacement and feeding, and realize stability, velocity and positioning accurate.
圆刀移位、圆刀进给均采用油压单元控制，可实现运动平稳快速、定位准确。螺旋纸管机纸管机设备卷纸管机3。
Result shows that parameters are controlled in allowable range, such as shield posture, oil pressure of shield jacks, displacement of down link, settlement of municipal pipelines and so on.
结果证明，盾构姿态、盾构千斤顶油压、下行线隧道位移、市政管线沉降等参数均控制在允许范围内。
Result shows that parameters are controlled in allowable range, such as shield posture, oil pressure of shield jacks, displacement of down link, settlement of municipal pipelines and so on.
结果证明，盾构姿态、盾构千斤顶油压、下行线隧道位移、市政管线沉降等参数均控制在允许范围内。
应用推荐