【摘要】 概括评述了腐植酸钻井液处理剂应用发展概况,并对今后发展趋势进行了分析讨论,提出了作者的观点和看法。更多还原

【Abstract】 This paper summarized the development of drilling fluid additives made from coal humic acids,and discussed its developing tendency. In addition,the suggestion of raising level of coal humic acid for drilling fluid additives was put forward.更多还原