According to the parameter selection problems of diamond drilling in hard rocks analysis is made from weight on bit, rotation speed and pumping quantity.
针对坚硬地层金刚石钻进参数的选择问题 ,从钻压、转速与泵量三方面作了分析 ,提出了合理选择钻进参数的方法 ,以保证正常生产施工的需要 ,提高钻探进尺效
The choice for sand pumping quantity is the key factor to pump delivery while grouting pile being drilled with inverse cycle.
砂石泵泵量的选择是泵吸反循环钻孔灌注桩钻进工艺的关键 ,通过公式演算 ,提出泵吸反循环钻孔灌注桩钻进泵量的选择方
Therefore, based on the differences among the borehole deviation angles and trajectory, screening and production tests were carried out for conventional pumps, deviated well pumps, reinforced ring pumps and electrical submersible pumps to determine the adaptation of different types of pumps in Hainan-3 fault block.
为此,针对油井井斜角度和井深轨迹的不同,先后进行了普通泵、斜井泵、环式泵、潜油电泵等的优选及抽油生产试验,以确定不同泵型在海南3断块区的适应性。