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。
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.
与水驱相比，微生物驱油可降低启动压力梯度，降低渗流阻力，扩大有效驱动距离。
The experiments show that microbe solution flooding can decrease the threshold pressure gradient, lessen the flow resistance, and extend the effective drainage distance.
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