常启帆,郑力会,宇文昔涵,黄小伟,朱方辉,李曜轩. 油气储层用化学封堵材料性能室内评价方法发展方向[J]. 石油钻采工艺,2024,46(1):1-12. DOI: 10.13639/j.odpt.202311001
引用本文: 常启帆,郑力会,宇文昔涵,黄小伟,朱方辉,李曜轩. 油气储层用化学封堵材料性能室内评价方法发展方向[J]. 石油钻采工艺,2024,46(1):1-12. DOI: 10.13639/j.odpt.202311001
CHANG Qifan, ZHENG Lihui, YUWEN Xihan, HUANG Xiaowei, ZHU Fanghui, LI Yaoxuan. Development Directions for Performance Evaluation Methods of Chemical plugging Material Used in Hydrocarbon Reservoirs[J]. Oil Drilling & Production Technology, 2024, 46(1): 1-12. DOI: 10.13639/j.odpt.202311001
Citation: CHANG Qifan, ZHENG Lihui, YUWEN Xihan, HUANG Xiaowei, ZHU Fanghui, LI Yaoxuan. Development Directions for Performance Evaluation Methods of Chemical plugging Material Used in Hydrocarbon Reservoirs[J]. Oil Drilling & Production Technology, 2024, 46(1): 1-12. DOI: 10.13639/j.odpt.202311001

油气储层用化学封堵材料性能室内评价方法发展方向

Development Directions for Performance Evaluation Methods of Chemical plugging Material Used in Hydrocarbon Reservoirs

  • 摘要: 目前油气井储层封堵材料室内评价多以承压能力和储层保护能力为主,并以其作为入井依据。但随着技术进步和社会发展,只满足作业需求的某一项或几项指标,无法投入现场试用或应用,导致需要重复检测、评价,造成投入应用时间长,成功率低。从1 000余篇国内外油气井安全性、储层保护和环境保护等相关主题词的文献中,发现封得住、稳得起、流得出、过得关和用得起等5项投入应用的性能指标需要检测,并以此为依据将检测方法分为5类。引入大数据思想分析应用成功率与测试指标数量的关系、投入应用时间与测试指标数量的关系发现,评价5类指标比评价单一指标的材料应用成功率最多高62%。5类评价方法项全部完成增加室内工作时间但投入应用的时间最多可节约77%。结果表明,封堵材料应用前评价5类指标,解决了封堵材料投入应用的时间长、效率低难题,不仅为储层封堵材料投入现场应用提供评价指标和检测方法,还为其他井筒作业材料提供了可借鉴的评价手段。

     

    Abstract: Currently, lab evaluation methods for plugging materials used in oil and gas reservoirs predominantly focus on assessing their pressure-bearing and reservoir protection capabilities, which serve as the basis for well intervention. However, with technical progress and social development, meeting only a few operational requirements is insufficient for field trials or practical application. This necessitates re-testing and re-evaluation on site, often requiring multiple attempts before well intervention, leading to prolonged duration before field application and low success rates. A review of nearly 1,000 domestic and international publications on oil and gas well safety, reservoir protection as well as environmental conservation reveals the necessity to test five performance metrics for field application: effective sealing, stability under pressure, maintainable flow, regulatory compliance, and affordability. These metrics form the basis for categorizing testing methods into five distinct classes. Incorporating big data analytics to study the relationship between application success rate and the number of test metrics, as well as the correlation between application time and test metrics, it was discovered that materials evaluated across all five metrics have up to a 62% higher success rate compared to those assessed on a single metric. Completing all five evaluation method categories increases lab time but can save up to 77% of time before field application. The results indicate that evaluating these five metrics before applying plugging materials addresses the challenges of prolonged duration before application and low efficiency. This not only provides evaluation criteria and testing methods for the field application of reservoir plugging materials but also offers a reference methodology for other wellbore operation materials.

     

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