This chapter deals with general issues of drilling fluids. The desirable functions are reviewed. In particular, the advantages of water-based drilling fluids are explained. Further, the special chemicals used for water-based drilling fluids are explained and summarized. Special compositions are reviewed.
爱静静
随机子
tuanheqi
梁朝伟
寻道图强
Meredith
嗯哼
一杯茶
杳鸢
张子捷
Puan
kento
吃不饱星球球长
Zinc
暗冰不冻
8R60d8
贰鸟
深情安青
shinysparrow
健壮的怜烟
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