CAJ | 학술논문

选用氯化铬和醋酸为主要原料，采用改变分散介质方法合成了一种溶胶型有机铬交联剂。通过与聚丙烯酰胺（HPAM ）制备的调剖体系进行交联性能评价。结果表明，在 n（Cr3＋）/n（Ac-）＝（1∶2．5）～（1∶3．0），交联剂Cr3＋质量浓度为197～328 mg/L ，pH为7～9，与 HPAM 形成强度较高、稳定性较好的凝胶，且所制备铬溶胶原位交联剂在高矿化度、碱性溶液中具有良好的交联稳定性，适合油层深部原位交联，达到提高原油采收率目的。
선용록화락화작산위주요원료，채용개변분산개질방법합성료일충용효형유궤락교련제。통과여취병희선알（HPAM ）제비적조부체계진행교련성능평개。결과표명，재 n（Cr3＋）/n（Ac-）＝（1∶2．5）～（1∶3．0），교련제Cr3＋질량농도위197～328 mg/L ，pH위7～9，여 HPAM 형성강도교고、은정성교호적응효，차소제비락용효원위교련제재고광화도、감성용액중구유량호적교련은정성，괄합유층심부원위교련，체도제고원유채수솔목적。
The sol type organic chromium crosslinking agent was synthesized by the method of changing the dispersion medium ,which used the chromium chloride and acetic acid as the main raw materials .The crosslinking performance evaluation with HPAM the profile control system was made .The results show that the high strength and stability gel can be made when n(Cr3+ )/n(Ac- ) is (1∶ 2 .5)~ (1∶ 3 .0) ,mass concentration of Cr3+ is 197 ~ 328 mg/L ,and pH is 7 ~ 9 .The novel chromium crosslinking agent presented a good stability in the alkaline solution .Futhermore ,it is suitable for deep reservoir in-situ crosslinking ,which can enhancement of oil recovery .