低温固化阻水透油防砂材料室内研究
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1.辽宁石油化工大学石油化工学院;2.中国石化大连石油化工研究院,辽宁 大连;3.中石化河南油田分公司石油工程技术研究院

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TQ 110.4;TE 348

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中国石化科技部项目(219032-3);辽宁省兴辽英才计划项目(XLYC1902053);辽宁省教育厅科学研究经费项目(L2020005)


Laboratory study on low temperature curing water and oil barrier sand control material
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School of Petrochemical Engineering Liaoning Petrochemical University

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    摘要:

    针对浅层低温地层出砂和油井采出液高含水的问题,开展低温固化阻水透油防砂材料室内研究。利用刚性骨料、环氧树脂、相对渗透率调节剂等,通过共混工艺制备出一种低温固化阻水透油防砂材料。利用FT-IR、热重、扫描电子显微镜等分析了防砂材料及其人造岩心的固化机理、热稳定性、微观形貌等,通过岩心驱替装置考察了人造岩心的抗压强度和水/油渗透率。实验结果表明,含有30%相对渗透率调节剂的防砂材料在低温(30~70℃)条件下,固化形成的人造岩心抗压强度达到4.22MPa以上,满足SY/T 5274-2016技术要求;同时,该防砂材料还具有一定油水选择性,水相渗透率和油相渗透率分别为963×10-3μm2和5513×10-3μm2

    Abstract:

    Aiming at the problems of sand production in shallow low-temperature formation and high water cut in oil wells, laboratory research on low-temperature solidified water blocking and oil permeability sand control materials was carried out. A sand control material was prepared by blending quartz sand, epoxy resin, relative permeability regulator and dispersant, and a curing agent was developed. The curing mechanism, thermal stability and micro morphology of coated sand and artificial core were analyzed by FT-IR, thermogravimetry and scanning electron microscope, and the compressive strength and water / oil permeability of artificial core were investigated. The experimental results show that under the condition of low temperature (30 ~ 70 ℃), the artificial core solidified with 30% relative permeability regulator has excellent compressive strength, more than 4.22mpa, and has certain oil-water selectivity. The water phase permeability and oil phase permeability are 963 and 5513 respectively × 10-3 μm2

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  • 收稿日期:2022-02-08
  • 最后修改日期:2022-04-02
  • 录用日期:2022-04-28
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