CAJ | 학술논문

大量实验证明致密储层存在启动压力梯度,致密储层自然产能低,研究启动压力梯度对产能的影响,可以为预测生产动态变化规律提供依据.本文介绍了启动压力梯度的测定、分析了具有启动压力梯度的产能表达式,研究表明启动压力梯度、渗透率对产能都有影响且启动压力梯度对产能影响呈下降趋势.
대량실험증명치밀저층존재계동압력제도,치밀저층자연산능저,연구계동압력제도대산능적영향,가이위예측생산동태변화규률제공의거.본문개소료계동압력제도적측정、분석료구유계동압력제도적산능표체식,연구표명계동압력제도、삼투솔대산능도유영향차계동압력제도대산능영향정하강추세.
The experiments prove that pressure gradient exist in tight reservoir. As natural output of the tight reservoir is low,it is helpful to research the influence of the start-up pressure gradient on the capacity,which can provide the basis for forecasting change rules of production dynamics. This paper presents the determination and capacity expressions of start-up pressure gradient. The results show that both start-up pressure gradient and permeability exert influence on capacity and the former effect curve is declined.