水井钻机泵吸反循环钻进用泵的研究

Research on Pumps for Drilling with Pumping Reverse Circulation

在分析了泵吸反循环钻进用泵工作条件的基础上，介绍了离心式砂石泵、泥浆射流泵和螺旋离心式砂石泵的设计特点，比较了三种泵用于反循环钻进的优缺点，为泵吸反循环钻进用泵的设计、选型和使用提供了理论依据。

Based on analyzing the operating conditions of the pumps for drilling with pumping reverse circulation, the paper introduces the design features of centrifugal sand pump, slurry jet pump and spiral centrifugal sand pump, conducts comparison of advantages and disadvantages of the three kinds of pumps used for drilling with reverse circulation, and offers the theoretical basis for the design, type selection and operation of the pumps for drilling with pumping reverse circulation.