相渗剂接枝改性支撑剂稳油阻水性能研究  

Research on Oil Stabilization and Water Control Performance of Relative Permeability Regulator Grafted Proppant

作　　者：张伟[1,2] 闻学军 蒲迪 罗平亚 郭拥军[1,2,5] 熊启勇[6] ZHANG Wei;WEN Xuejun;PU Di;LUO Pingya;GUO Yongjun;XIONG Qiyong(State Key Laboratory of Oil&Gas Reservoir Geology and Exploitation,Southwest Petroleum University,Chengdu 610500,Sichuan,China;Sichuan Guangya Polymer Chemical Co.,Ltd.,Nanchong 637500,Sichuan,China;College of Chemistry and Chemical Engineering,Southwest Petroleum University,Chengdu 610500,Sichuan,China;Xinjiang Guangya Oil and Gas New Technology Development Co.,Ltd.,Karamay 83400,Xinjiang,China;College of New Energy and Materials,Southwest Petroleum University,Chengdu 610500,Sichuan,China;Production Technology Research Institute,PetroChina Xinjiang Oilfield Company,Karamay 834000,Xinjiang,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]四川光亚聚合物化工有限公司,四川南充637500 [3]西南石油大学化学化工学院,四川成都610500 [4]新疆光亚油气新技术发展有限公司,新疆克拉玛依834000 [5]西南石油大学新能源与材料学院,四川成都610500 [6]中国石油新疆油田分公司采油工艺研究院,新疆克拉玛依834000

出　　处：《新疆石油天然气》2025年第1期69-77,共9页Xinjiang Oil & Gas

基　　金：中国石油新疆油田分公司横向课题“水淹区水平井体积压裂用控水材料优选及评价”(2023YQX10206);新疆维吾尔自治区“天池英才”第二批引进计划(2023)。

摘　　要：克拉玛依油田某区实施压裂增产后,出现大量生产井压后含水快速上升且含水率高的问题。为解决这一难题,通过硅烷偶联剂KH570将疏水缔合型相渗剂接枝到石英砂表面,制备出疏水缔合型相渗接枝支撑剂RPM-SiO_(2)。对RPM-SiO_(2)进行红外光谱扫描和SEM电镜扫描,证实相渗剂于支撑剂表面接枝成功,并在克拉玛依油田某区油藏条件下对比研究了RPM-SiO_(2)和空白石英砂支撑剂的常规性能(润湿性、密度、酸溶解度和抗压强度)、导流能力和控水能力之间的差异。结果表明,RPM-SiO_(2)和空白石英砂支撑剂综合性能基本一致,满足行业标准要求;两者油相导流能力几乎一致,但RPM-SiO_(2)的水相导流能力低于空白石英砂支撑剂的25%;RPM-SiO_(2)相对空白石英砂支撑剂水相渗透率下降83.41%,油相渗透率下降17.49%,产出液含水率下降18.65%,具备良好的控水能力和长效性。In a certain area of Karamay Oilfield,numerous production wells suffer from rapid water cut rise and high water cut after fracturing treatments.To solve this problem,the proppant grafted with the hydrophobic association relative permeability regulator,RPM-SiO_(2),was developed by grafting the hydrophobic association relative permeability regulator onto the quartz sand surface,with the help of silane coupling agents KH570.The grafting of relative permeability regulators onto the proppant surface was confirmed successful by infrared spectroscopy and electron scanning microscopy(SEM).Under the reservoir conditions of the study area of Karamay Oilfield,the differences of conventional performance(wettability,density,acid solubility and compressive strength),fracture conductivity,and water control ability between RPM-SiO_(2)and blank quartz sand proppants were investigated.The results show that the compre-hensive performances of RPM-SiO_(2)and quartz sands are basically consistent,both meeting the requirements of the industrial standard.Theresultant oil phase fracture conductivities are consistent,but the water phase fracture conductivity of RPM-SiO_(2)is 25%lower than that ofquartz sands.Compared with quartz sands,RPM-SiO_(2)presents a decrease of 83.41%in the water phase permeability,17.49%in the oil phsepermeability,and 18.65%in the water cut of produced liquid.RPM-SiO_(2)has high water control capability and long-term effectiveness.

关 键 词：相渗调节剂接枝支撑剂 疏水缔合聚合物 相渗调节剂 接枝聚合 水/油相渗透率 

分 类 号：TE39[石油与天然气工程—油气田开发工程]