植物胶重晶石粉加重泥浆在有承压水厚覆盖地层中应用成效

Vegetable Glue and Barite Powder Weighted Mud Applied in the Confined Water Thick Cover Formations

主要阐述在承压水厚覆盖层（非固结）钻进中植物胶加重晶石粉配制泥浆顺利钻穿复杂地层问题，对水电站选址勘查有参考意义。

The complex formations were drilled throughsuccessfuily by using drilling mud compounded by veg-etable glue and barite powder in confined water thick cov-er.It will be of some help to the explortation of selectingsite of hydropower station.