The calculation of wellkilling on the mud blowdown condition is discussed in this paper, and it has been verified in the practice of wellkilling.
本文对气井在泥浆喷空情况下的压井计算进行了探讨，并在压井的实践中得到验证。
2
As we know there are several critical stages during a wellkilling process. Four of these are recognized in particular and are referred to as the four phases in well control.
我们都知道压井过程中有几个重要阶段，其中有4个阶段需要特别认识，并被称之为井控4阶段。
3
After oil pumping were implemented on producers in Banqiao Oilfield, some productivity of producers was reduced even lost totally due the formation damage during wellkilling.