The movement to the left and the increase of slope of w...
单项选择题The movement to the left and the increase of slope of water injection indicator curve indicates that:
A．the capacity for water sucking of formation is improved and water sucking index increases
B．the capacity for water sucking of formation is weakened and water sucking index decreases
C．the capacity for water sucking of formation and water sucking index remain the same as before
D．the capacity for water sucking of formation is improved and water sucking index decreases
