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由于特殊的地质条件,使滨四区沙四上油气藏成为我国油田水结垢最严重的一个油田,给生产管理带来十分严重的影响。从77年起,随着原油含水日益升高(70～75％),在集输滨四区沙四上原油的滨三站,水垢的危害越来越严重,外输泵的叶轮一般使用数天,流道就被垢堵死,原油外输困难,泵的损坏、维修频繁,为了改变这种状况,我们在滨三站开展了水解聚丙烯酰胺(PHP)防垢的试验,经过一年来的工作,基本上改变了滨三站的被动局面,同时,对聚丙烯酰胺(PAM)防垢的认识也提高了一步。
Due to the special geological conditions, the Shasi IV reservoir in Bin 4 area has become one of the most serious oil scale waterflooding fields in our country, which has a very serious impact on production management. Since 77, with the rising of crude oil water content (70-75%), the harm of limescale is more and more serious in Haibin Station of Shasi IV in Jijiebin four districts. The impeller of external pump is generally used Day, the runner was blocked by dirt, crude oil export difficulties, pump damage, frequent maintenance, in order to change this situation, we carried out at Binhe Station hydrolysable polyacrylamide (PHP) anti-scale test, after a year Work, basically changed the passive situation of Hamajuku Station, and at the same time, the awareness of polyacrylamide (PAM) anti-scaling has been increased by one step.