井地过渡带对聚合物驱油剂性能影响研究  

Study on the effect of well land transition zone on the performance of polymeric oil repellents

作　　者：舒政[1,2] 齐勇 罗平亚[1,2] 王晓 叶仲斌 SHU Zheng;QI Yong;LUO Ping-ya;WANG Xiao;YE Zhong-bin(State Key Lab of Oil and Gas Reservoir Geology and Exploitation,Southwest Petroleum University,Chengdu 610500,China;School of Petroleum and Natural Gas Engineering,Southwest Petroleum University,Chengdu 610500,China;Chengdu Technological University,Chengdu 610500,China)

机构地区：[1]西南石油大学油气藏地质及开发工程国家重点实验室,四川成都610500 [2]西南石油大学石油与天然气工程学院,四川成都610500 [3]成都工业学院,四川成都610500

出　　处：《应用化工》2024年第1期36-39,44,共5页Applied Chemical Industry

基　　金：国家自然科学基金(52104040)。

摘　　要：利用井地过渡带剪切模拟实验装置,以疏水缔合聚合物AP-P4为研究对象,研究不同吸水强度条件下,剪切后聚合物溶液的表观黏度、流变性、阻力和残余阻力系数、微观结构以及水动力学半径的变化情况。结果表明,经井地过渡带剪切后,随着吸水强度的增大,聚合物AP-P4溶液的黏度损失率高达61.4%,建立阻力系数和残余阻力系数的能力降低40.0%以上,但其建立残余阻力系数能力的降低幅度要比建立阻力系数能力的降低幅度小。聚合物溶液的储能模量和损耗模量降低,微观结构被破坏的越严重,水动力学半径越小。The apparent viscosity,rheology,resistance and residual resistance coefficients,microstructure and hydrodynamic radius of polymer solution after shearing by well transition zone shear simulation experiment device were investigated with hydrophobic polymer AP-P4 under different water absorption strength conditions.The results showed that the polymer AP-P4 solution lost up to 61.4%of viscosity and reduced more than 40.0%of its ability to build up the drag and residual drag coefficients with the increase of water absorption strength after shearing by the well ground transition zone,but the reduction of its ability to build up the residual drag coefficient was smaller than the reduction of its ability to build up the drag coefficient.The lower the energy storage modulus and loss modulus of the polymer solution,the more severely the microstructure is disrupted,and the smaller the hydrodynamic radius.

关 键 词：井地过渡带 疏水缔合聚合物 表观黏度 流变性 阻力系数 残余阻力系数 微观结构 水动力学半径 

分 类 号：TQ31[化学工程—高聚物工业] TE357.46[石油与天然气工程—油气田开发工程]