化学研究与应用
化學研究與應用
화학연구여응용
CHEMICAL RESEARCH AND APPLICATION
2014年
2期
235-240
,共6页
苟绍华%刘曼%叶仲斌%周利华%蒋文超
茍紹華%劉曼%葉仲斌%週利華%蔣文超
구소화%류만%협중빈%주리화%장문초
三次采油%N,N-二烯丙基-3-吡啶甲酰胺%N-烯丙基辛酰胺%四元聚合物%抗温%抗盐
三次採油%N,N-二烯丙基-3-吡啶甲酰胺%N-烯丙基辛酰胺%四元聚閤物%抗溫%抗鹽
삼차채유%N,N-이희병기-3-필정갑선알%N-희병기신선알%사원취합물%항온%항염
enhanced oil recovery%N-allyloctanamide%N,N-diallylisonicotinamide%ternary copolymer%salt resistance%temperature resistance
以丙烯酰胺(AM),丙烯酸(AA),N,N-二烯丙基-3-吡啶甲酰胺(DANA)和N-烯丙基辛酰胺(AOCA)为单体,采用过硫酸铵-亚硫酸氢钠((NH4)2 S2 O8-NaHSO3)氧化还原引发体系合成了一种新型水溶性四元共聚物AM/AA/AOCA/DANA。确定了最佳反应条件:m(AM)/m(AA)=6:4、DANA=0.16 wt%,AOCA=0.15 wt%、pH值7、引发剂0.3 wt%、单体浓度20 wt%、聚合温度50℃。通过红外、核磁氢谱、环境扫描电镜以及特性粘数对AM/AA/AOCA/DANA进行了结构表征。该聚合物较部分水解聚丙烯酰胺相比具有明显的抗温(100℃,粘度保留率:31.55%)抗剪切(1000 s-1,粘度保留率:32.31%)以及抗盐性能(11000 mg?L-1 NaCl,粘度保留率:41.77%;1500 mg?L-1 MgCl2,粘度保留率:39.83%;1500 mg?L-1 CaCl2,粘度保留率:34.81%;);驱油实验表明该聚合物较水驱相比能够提高原油采收率达12.04%。
以丙烯酰胺(AM),丙烯痠(AA),N,N-二烯丙基-3-吡啶甲酰胺(DANA)和N-烯丙基辛酰胺(AOCA)為單體,採用過硫痠銨-亞硫痠氫鈉((NH4)2 S2 O8-NaHSO3)氧化還原引髮體繫閤成瞭一種新型水溶性四元共聚物AM/AA/AOCA/DANA。確定瞭最佳反應條件:m(AM)/m(AA)=6:4、DANA=0.16 wt%,AOCA=0.15 wt%、pH值7、引髮劑0.3 wt%、單體濃度20 wt%、聚閤溫度50℃。通過紅外、覈磁氫譜、環境掃描電鏡以及特性粘數對AM/AA/AOCA/DANA進行瞭結構錶徵。該聚閤物較部分水解聚丙烯酰胺相比具有明顯的抗溫(100℃,粘度保留率:31.55%)抗剪切(1000 s-1,粘度保留率:32.31%)以及抗鹽性能(11000 mg?L-1 NaCl,粘度保留率:41.77%;1500 mg?L-1 MgCl2,粘度保留率:39.83%;1500 mg?L-1 CaCl2,粘度保留率:34.81%;);驅油實驗錶明該聚閤物較水驅相比能夠提高原油採收率達12.04%。
이병희선알(AM),병희산(AA),N,N-이희병기-3-필정갑선알(DANA)화N-희병기신선알(AOCA)위단체,채용과류산안-아류산경납((NH4)2 S2 O8-NaHSO3)양화환원인발체계합성료일충신형수용성사원공취물AM/AA/AOCA/DANA。학정료최가반응조건:m(AM)/m(AA)=6:4、DANA=0.16 wt%,AOCA=0.15 wt%、pH치7、인발제0.3 wt%、단체농도20 wt%、취합온도50℃。통과홍외、핵자경보、배경소묘전경이급특성점수대AM/AA/AOCA/DANA진행료결구표정。해취합물교부분수해취병희선알상비구유명현적항온(100℃,점도보류솔:31.55%)항전절(1000 s-1,점도보류솔:32.31%)이급항염성능(11000 mg?L-1 NaCl,점도보류솔:41.77%;1500 mg?L-1 MgCl2,점도보류솔:39.83%;1500 mg?L-1 CaCl2,점도보류솔:34.81%;);구유실험표명해취합물교수구상비능구제고원유채수솔체12.04%。
A novel water-soluble copolymer AM/AA/AOCA/DANA for enhanced oil recovery were prepared by acrylamide (AM), acrylic acid(AA),N-allyloctanamide(AOCA)and N,N-diallylisonicotinamide(DANA)via redox free-radical copolymerization.The effects of reactive conditions such as initiator concentration ,monomer ratio,reaction temperature,and pH on the copolymer were in-vestigated and the optimal conditions for the copolymerization were established.The obtained copolymer was characterized by means of IR, 1 H NMR,SEM and intrinsic viscosity test.The AM/AA/AOCA/DANA showed remarkable anti-shear ability(1000 s-1 ,vis-cosity retention rate:32.31%),temperature resistance(100℃,viscosity retention rate:31.55%),and salt tolerance(11000 mg?L-1 NaCl,viscosity retention rate:41.77%;1500 mg?L-1 MgCl2 ,viscosity retention rate:39.83%;1500 mg?L-1 CaCl2 ,viscosity reten-tion rate:34.81%),and about 13.04%oil recovery could be enhanced by AM/AA/AOCA/DANA comparing with water-flooding.