第38参第4期 2016年7月
石油钻采工艺
OIL DRILLING & PRODUCTION TECHNOLOGY
文章编号：1000-7393(2016)04-0536-04
DOI: 10.13639/j.odpt.2016.04.025
溶胶-凝胶型MgO纟
纳米材料抑砂技术
吴建平桑伟夏伯儒贾维霞陈雪中国石化胜利油田分公司石油工程技术研究院
Vol. 38 No. 4 July 2016
引用格式：关建平，梁伟，复伯儒，宽维露，族雪，落胶-凝胶型MgO期来材科抑砂技术「J」-石油钻采工艺，2016，3&4) 536-539.
摘要：针对高泥质、粉细砂岩油藏地层微程运移堵塞、冲蚀破坏挡砂屏障导致油井液量大幅下降的问题，通过实验数据和相关计算，分析了不同纳米材料的吸附效率，优选出溶胶-凝胶型MgO纳米材料涂覆支撑剂作为砾石充填层，其微粒吸附效率达78.85%，流出物的浊度仅为阳离子抑砂剂的5.5%，流出物中含砂量约为用阳高子抑砂剂的9.3%，固砂效果送优于油田常规阳离子抑砂剂。在胜利油田LNJ501并现场应用后油井采出液含砂量<0.01%，液量是施工前的3.42倍，有效生产时间389d，说明溶胶-凝胶型MgO纳米材料抑砂技术可达到恢复产量、延长防砂有效期的目的
关键词：粉细砂岩；纳米材料；MgO；砾石充填；涂层；抑砂
中图分类号：TE243
文献标识码：A
Sand-controltechniqueswithsol-gelMgOnanometermaterial
WU Jianping, LIANG Wei, XIA Boru, JIA Weixia, CHEN Xue
Petroleam Engineering Technology Research Irstitufe, SINOPEC Shengli Oijfield Company, Dongving, Shandong 257000, Ching
Citation: WU Jianping, LIANG Wei, XIA Boru, JIA Weixia, CHEN Xue. Sand-control techniques with sol-gel MgO nanometer material [J] .Oil Drilling & Production Technology, 2016, 38(4): 536-539.
Abstract: Migration of fine grains in reservoir formations with high clay and siltstone contents may plug, erode, and damage sand barriers, and cause significant reduction of fluid productivity. Absorption efficiency of various nanometer materials have been reviewed by using relevant test data and calculation results to pick out the sol-gel MgO nanometer material as coated proppant in gravel-packing layers. With absorption efficiency of 78.85% for fine grains, turbidity of its outflow fluid is only 5.5% of that obtained by using cationic sand control agent, and sand content in its out-flow fluid is only approximately 9.3% of that contained in fluid out of cationic sand control agents, which suggests its sand consolidating performance is far better than conventional cationic sand control agents currently used in oilficelds. After it was applied in Well LNJ501 of the Shengli Oilfield, sand content of the produced fluid was less than 0.01%, and the fluid productivity of the well was 3.42 times of that before the treatment, and effective production time of the well was 389 d, which indicates the sol-gel MgO nanometer material can effectively enhance fluid productivity and extend effective sand control period
Key words: fine sandstone; nanometer material; MgO; gravel packing; coating; sand control
对于高泥质粉细砂岩油藏，黏土或粉细砂微粒所携带的负电荷使得微粒彼此排斥，在地层内形成游离砂，游离砂在不断的运移过程中堵塞渗流通道
使油井产能下降。针对粉细砂岩油藏油井的出砂间题，目前使用的固砂材料主要是树脂，不止价格昂贵而且往往不能达到目的，只能“防运移”而不能“治
第一作者：关建平（1962-),2009年获中国石油大学（华东）油气田开发工学硕士学位，长期从事沟气井防砂技术，采沟机械等相关研
究，教投级高级工程师。通讯地址；（(257000）胜利油田石油工程技术研究院。电话；0546-8552225。E-mail；wujianping362. slyt@sinopec.com
通讯作者：梁伟（1987-),2009年毕业于西南石沟大学石沟工程专业，现从事油气井防砂技术研究。通试地址：(257000)胜利沟田石油工
程技术研究院。E-mail：liangwei138.slyt@sinopec.com