泵吸反循环钻进反循环运行工况参数及钻进特性

Reverse Circulation Operating Parameters and Drilling Characteristics in Pump Reverse Circulation Drilling

摘要:

通过对泵吸反循环运行工况参数的深入分析，得到钻屑含量、混合液流上返流速、钻屑上升速度、钻屑悬浮速度４个反循环运行工况参数的特性，进而得到泵吸反循环的钻进特性。

Abstract:

On the basis of the in depth analysis of the pump reverse circulation operating parameters, the characteristcs of the four pump reverse circulation operating parameters are obtained cuttings content, mixed fluid up hole velocity, cuttings rising velocity and cuttings suspension velocity; hence, the pump reverse circulation drilling characteristcs