A . 2:1
B . 1:2
C . 1:1
D . 1:3
[单选题]五点法注水井网中,注水井与采油井之比是()。A . 2:1B . 1:2C . 1:1D . 1:30
[单选题]四点法面积井网注水井与每个采油井距离相等,注水井和采油井井数比例为( )。A.1:3B.1:1C.1:2D.1:4
[单选题]四点法面积井网注水井与每个采油井距离相等,注水井和采油井井数比例为()。A .1:3B .1:1C .1:2D .1:4
[单选题]七点法面积井网注水井与每个采油井距离相等,注水井和采油井井数比例为()。A .2:1B .2:3C .1:2D .1:1
[单选题]七点法面积井网的注水井与每个采油井距离相等,注水井和采油井井数比例为()。A .2:1B .2:3C .1:2D .1:1
[单选题]七点法面积井网的注水井于每个采油井距离相等,注水井和采油井井数比例为( )。A.2:1B.2:3C.1:2D.1:1
[判断题] 九点法面积井网1口注水井给周围8口采油井注水。A . 正确B . 错误
[单选题]四点法面积井网是1口注水井给周围6口采油井注水,1口采油井受周围()个方向的注水井的影响。A .6B .3C .4D .2
[单选题]九点法面积井网注水井和采油井井数比例为()。A .4:1B .1:3C .2:1D .3:1
[单选题]五点法面积井网的注水井和采油井的比例为()。A .1:1B .2:1C .1:2D .1:3