Keywords oily sludge;produced water treatment;oily sludge base profile modificator;particulated plugging agent;injectivity profile modification;water injection wells;Guangbei oil field in Jianghan;

• 含油污泥;油田污水处理;含油污泥调剖剂;颗粒堵剂;调剖;注水井;江汉广北油田;