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压力递减 [yā lì dì jiǎn]
pressure decline
pressure depletion
pressure depletion
- 低渗透气藏岩心的孔隙度随有效压力的增大呈指数关系递减。
Stress sensitivity has relationship with water saturation of reservoirs. - 第四段:一般有机台还有第五,第六段,这段的成型速度和压力相同前,都存在两段一个递减过程.其作用都是起到一个再次充满的作用.
Step4 section: Some injection machines have step5,step6 which are same as former molding speed and pressure this step should diminish and inject once more. - 摘要从产量递减率定义出发，首先导出了综合递减率与开井数、含水、产液厚度、压力、相对产液指数、井网密度、表皮系数等多因素分析模型。
Based nit the definition of production decline rate, the multifactor analytical model for composite decline rate is developed, which discusses affecting factors stub as the startup well number, water cut, producing fluid thickness, pressure, relative production index well spacing density, skin factor etc.
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