论文部分内容阅读
含4%添加剂的钻井泥浆促使泥质岩分散和水化的强度下降。这种添加剂是由木质磺酸钾盐60%、腐植酸钾37.5%及重铬酸钾
Drilling mud with 4% additives contributed to the decreased strength of muddy rock dispersion and hydration. This additive is made from 60% potassium salt of lignosulfonate, 37.5% potassium humate and potassium dichromate