Core cable filled ointment to ensure that the vertical water blocking effect.
缆芯内充满油膏，确保了纵向阻水效果。
It is indicated that the main factors affecting low permeability gas reservoir are stress action, start-up pressure gradient, permeability, slippage effect, and water blocking effect etc.
结果表明影响低渗气藏的主要因素有应力作用、启动压力梯度、渗透率、滑脱效应、水锁效应等。
By using conformal transformation method, productivity formulas of horizontal well, taking effects of non-Darcy flow and water-blocking effect into account, have successful been developed.
应用保形变换方法推导出水平气井产能公式，模型能考虑非达西流动以及水锁效应对水平气井产量的影响。
Implement result indicated that it has been remarkable effect. It plays an important role on effecting oil stabilization, blocking up water and tapping the potential oil.
实施结果表明措施效果显著，对油田稳油控水、挖潜上产起到了重要的作用。
Compared with a present water purification valve, the utility model has simple structure, low manufacture cost, no blocking, good purifying effect and long service life.
它比现有净水阀的结构简单，制造成本低，不易堵塞，净化效果好，使用寿命长。
Compared with a present water purification valve, the utility model has simple structure, low manufacture cost, no blocking, good purifying effect and long service life.
它比现有净水阀的结构简单，制造成本低，不易堵塞，净化效果好，使用寿命长。
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