Research on characters of non-Darcy flow and starting pressure gradient of low permeability reservoir were foundation of reservoir production.

低渗透储层渗流具有非达西特征和启动压力梯度，是研究低渗透储层开发过程中问题的基础。

youdao

The birefringent effect of K9 glass has been studied under low pressure. The index of birefringence and its gradient have been measured.

研究K9玻璃在低压下的双折射效应，测量它的双折射率及其梯度。

youdao

With consideration of start up pressure gradient and media deformation, this paper studies vertical well production in low permeable reservoirs.

考虑启动压力梯度和介质变形的影响，研究低渗透油藏中直井产量的变化规律。

youdao

During the accumulation season, sublimation is reduced because of a low gradient of vapour pressure and the energy supplied by radiation is directly consumed by melting, explaining why discharge is high.

UNESCO: Dublin Core