抗盐高分子量絮凝剂CP-1的研制与应用  

Research and Application of Salt Resistant High Molecular Weight Flocculant CP-1

作　　者：胡金鹏[1] 管中原[1] 卢云康[1] 雷恒永 李林林 常洪超[1] 

机构地区：[1]中石化河南石油勘探局钻井公司 [2]河南金马石油科技有限责任公司

出　　处：《钻井液与完井液》2014年第1期24-27,96-97,共4页Drilling Fluid & Completion Fluid

摘　　要：用丙烯酸(AA)、丙烯酰胺(AM)、2-丙烯酰胺基-2甲基丙烷磺酸(AMPS)、二乙基二烯丙基氯化铵(DEDAAC)等作为聚合单体,用过硫酸钾、亚硫酸氢钾作引发剂合成了钻井液用抗盐型高分子量聚合物包被絮凝剂CP-1,室内对其合成条件进行了优化,对研制产品性能进行了评价。实验结果表明,1.0%CP-1水溶液视黏度在50mPa s以上;该产品抗盐15%,在10%盐水浆中抗温达140℃,抑制钙土膨胀降低率可达63%,高温滚动抑制黏土膨胀视黏度上升率为96%;与其他钻井液处理剂配伍性好。CP-1在塔河油田TK870X等井的现场使用取得了很好的效果,CP-1适合深井特别是深井钻井用盐水聚合物和盐水聚磺钻井液体系。Salt resistant high molecular weight flocculant CP-1 was synthesized using AA,AM,AMPS,DEDAAC as the monomers,potassium persulfate and potassium bisulfite as the initiator.The optimization and evaluation experiment proved that it had strong salt resistant capability in high temperature,the decreasing rate of swelling inhibition of calcium bentonite is 63%,apparent viscosity increasing rate of swelling inhibition at high temperature in rolling experiment is 96%.The application of CP-1 on TK870X and other wells in Tahe Oilfield was successful.CP-1 is suitable for deep well especially in saltwater polymer and saltwater polysulfonate drilling fluid system.

关 键 词：絮凝剂 高分子量聚合物 盐水聚合物钻井液 盐水聚磺钻井液 

分 类 号：TE254.4[石油与天然气工程—油气井工程]