欢迎来到天天文库
浏览记录
ID:57751651
大小:616.48 KB
页数:4页
时间:2020-03-28
《新型吸水树脂微球的制备及封堵性能研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第34卷第6期石油钻采工艺Vo1.34No.62012年l1月OILDRILLING&PRODUCTIONTECHNOLOGYNOV.2012文章编号:1000—7393(2012)06—0093—04新型吸水树脂微球的制备及封堵性能研究张雁汪庐山王涛靳彦欣王业飞(1.中国石油大学石油工程学院,山东青岛266580;2.胜利油田采油工艺研究院,山东东营257061)引用格式:张雁,汪庐山,王涛,等.新型吸水树脂微球的制备及封堵性能研究[J].石油钻采工艺,2012。34(6):93—96.摘要:聚合物微球作为深部调堵剂应用于油田调剖堵水方面,取得了较好的效果,但其油藏适应范围
2、仍有一定的局限性。设计合成了新型丙烯酰胺、双丙烯酰胺、丙烯酸、丙烯酸丁酯四元共聚吸水树脂微球,并进行了微球的粒径及封堵性能研究。性能评价实验表明:合成的树脂微球粒径在微米级,数量大,球度一般;温度越高,微球膨胀速度越快,矿化度越高,微球膨胀速度越慢;温度升高,树脂微球溶液黏度降低,浓度增大,树脂微球溶液黏度增大,在60℃、浓度3000mg,L时微球溶液黏度不大,剪切变稀,注入性好。岩心封堵实验表明,微球对地层有良好的封堵性,封堵率高达(80~90)%,能有效封堵中高渗地层。该树脂微球具有矿场应用价值,建议进一步进行粒径优化及强度优化,以满足现场需求。关键词:吸水树脂微球;合成
3、;形态;粒径;流变性;封堵中图分类号:TE357.46文献标识码:AStudyonparticlesizeandpluggingperformanceofnewabsorbentresinmicrospheresZHANGYan,WANGLushan2,WANGTa0,JINYanxin,WANGYefei(1.SchoolofPetroleumEngineering,ChinaUniversityofPetroleum,Qingdao266580,China;2.ResearchInstituteofOilProductionTechnology,ShengliOi~eMC
4、ompany,Dongying257061,China)Abstract:Asin-depthprofilecontrolandoildisplacementagent,polymermicrosphereshaveachievedgoodefects.However,microsphereshaslimitationsinsphereofapplication.Inthispaper,newabsorbentquadripolymerresinmicrospheresweredesignedandsynthesizedbyacrylamide,bisacrylamide,a
5、crylicacidandbutylacrylate,andtheparticlesizeandpluggingperformanceofresinmicrosphereswerestudied.Performanceevaluationtestshowsthatthesyntheticresinmicrospheresareofmicronmagnitudeofparticle,largequantityandmoderatesphericity;thehigherthetemperatureis,thegreatertheswellingratewillbe,andthe
6、higherthemineraliza—tionis,thelowertheswellingratewillbe.Thesolutionviscosityofresinmicrospheresisininverseproportiontotemperatureandindirectproportiontoconcentration.Undertheconditionof60℃andtheconcentrationof3000mg/L.theviscosityofthemicrospheressolutionisnothighandpresentsshear-thinningc
7、haracteristic,whichensuresagoodabilityofinjection.ThecorepluggingexperimentshowsthatthemicrospheresCanplugmediumtohigh—permeabilityoilreservoirseffectivelywithapluggingratioof80%一90%.Theresinmicrosphereshaveapotentialvalueinfieldapplication,andwecanproce
此文档下载收益归作者所有