丝扣油 meaning in English

lubricant of threads
thread dope

Is a unique product for the cleaning of oil - well sullage and is highly effective in cleaning oil stains . it can be used not only to clean the oil - well sludge , but also effectively clean the pipe sullage and the cross threading oil and prevent the oil stains from damaging the reservoir pore in the operation of horizontal well completion
Hpk是一种独特的油井污物清洗产品，具有强力油污清除能力，用于油井油泥清洗，在水平井完井作业中，可有效清除管柱污物及丝扣油，防止油污污染油层孔隙。