Regarding how to improve the pump efficiency, the correct cinclusions are:
选项:
A:Increasing the diameter of rod will improve the pump efficiency
B:Decreasing the distance between the ball and bottom of pump barrel will help to improve the pump efficiency in the case of safty
C:Increasing the pump depth will improve the pump efficiency
D:Decreasing the stroke rate will improve the pump efficiency of heavy oil well
发布时间:2024-06-04 19:23:53