【摘要】 介绍了一种新型的钻井液添加剂——ZR 极压多性润滑剂,对该剂进行了室内性能评定和矿场应用试验。ZR 极压润滑剂是一种低荧光,降阻效果良好,对钴井液的其它性能影响不大的化学添加剂。更多还原

【Abstract】 The lubricants of ZR type are composed of(1)a non-ionic compound with strongly adsorbing groups,(2)an ultimate pressure lubricating material,(3)a non-ionic compound with reactive groups,(4)a compound with low fluorescence,and(5)surfactants of dif- ferent nature.In laboratory performance evaluation some grades of ZR lubricants give high percentages of decreasing friction factor,K_f,contribute to filter-loss control,and have little influence on other properties of experimental and well-site barite-weighted bentonite drilling fluids.The results of a field test in one well is satisfactory.更多还原