Gas production per unit length increases with the increase of branchlength and the angle between main and branch boreholes. However, it declines as the number of branches increase.
分支井单位长度产能随着分支与主井眼夹角角度、分支长度的增加而增加,随着分支数量的增加而逐渐降低。
Cavitation completion can not only increase the open area of coal seams, but also improve gas production per unit well and decrease the cost of development.
煤层气井洞穴完井能有效扩大煤层裸眼面积,增加煤层气产量和降低开采成本。
The thinning intensity and seed production per unit area wereclosely interrelated;
疏伐强度与母树林单位面积产种量相关密切;