石油化工应用
石油化工應用
석유화공응용
PETROCHEMICAL INDUSTRY APPLICATION
2011年
12期
73-76
,共4页
采油污水%回注%结垢%岩心伤害%粘土膨胀
採油汙水%迴註%結垢%巖心傷害%粘土膨脹
채유오수%회주%결구%암심상해%점토팽창
produced-water%reinjection%amount of scale%reservoir damage%clay swelling
回注地层是采油污水的最优出路,为了确保处理后采油污水回注地层,采用粘土膨胀法、结垢量测定及垢型分析,结合岩心流动实验,进行污水处理后回注可行性评价程序研究,同时探讨残留于污水中的破乳剂、杀菌剂等对注入性的影响。结果表明：采用处理后污水与过滤污水混合稳定性评价→处理后水的粘土稳定性质评价→处理后水的结垢性质评价→处理后水的水敏性质评价→处理后水的水质注入性评价→注入水的水质指标确定的评价程序,可对处理后采油污水的回注可行性做出评价;同时,浓度分别为5～40 mg/L、5～80 mg/L的破乳剂、1227对岩心伤害率影响不大。
迴註地層是採油汙水的最優齣路,為瞭確保處理後採油汙水迴註地層,採用粘土膨脹法、結垢量測定及垢型分析,結閤巖心流動實驗,進行汙水處理後迴註可行性評價程序研究,同時探討殘留于汙水中的破乳劑、殺菌劑等對註入性的影響。結果錶明：採用處理後汙水與過濾汙水混閤穩定性評價→處理後水的粘土穩定性質評價→處理後水的結垢性質評價→處理後水的水敏性質評價→處理後水的水質註入性評價→註入水的水質指標確定的評價程序,可對處理後採油汙水的迴註可行性做齣評價;同時,濃度分彆為5～40 mg/L、5～80 mg/L的破乳劑、1227對巖心傷害率影響不大。
회주지층시채유오수적최우출로,위료학보처리후채유오수회주지층,채용점토팽창법、결구량측정급구형분석,결합암심류동실험,진행오수처리후회주가행성평개정서연구,동시탐토잔류우오수중적파유제、살균제등대주입성적영향。결과표명：채용처리후오수여과려오수혼합은정성평개→처리후수적점토은정성질평개→처리후수적결구성질평개→처리후수적수민성질평개→처리후수적수질주입성평개→주입수적수질지표학정적평개정서,가대처리후채유오수적회주가행성주출평개;동시,농도분별위5～40 mg/L、5～80 mg/L적파유제、1227대암심상해솔영향불대。
The best treatment of produced-water is reinjection.So,the reinjective feasibility of the treated water was investigated by clay swelling method,amount and type of scale determent, core flow experiments and so on to ensure that the treated water reinjected in stratum in this study.Meanwhile,the effect of the rudimental demulsifier and fungicide on injectivity was discussed.The results showed that the process of mixed stability evaluation on treated and filtrated water→clay stability evaluation on treated water→scaling behavior evaluation on treated water→water sensitivity evaluation on treated water→water qualitative injectivity evaluation on treated water→water quality index decided evaluation on injected water could estimate the reinjective feasibility of treated oil extraction wastewater.Besides,the core flow rate was weakly affected by the demulsifier and fungicide（1227） with the concentration of 5～40 mg/L and 5～80 mg/L respectively.
