页岩气某区块气井生产规律与阶段划分研究
林宇 , 伍坤一 , 丁道权 , 刘大凡 , 杜彭花 , 秦灿 , 周军
现代化工 ›› 2025, Vol. 45 ›› Issue (6) : 236 -240.
页岩气某区块气井生产规律与阶段划分研究
Research on production pattern and stage division of shale gas wells in a specific block
旨在深入探讨某页岩气田的气井生产规律,并对生产过程进行明确的阶段性划分。通过详尽数据分析,揭示了以下成果:建立了页岩气气井的生产规律统计指标体系,全面总结了各生产阶段的压力、产气与产水量的分布特性及其随时间的变化趋势。依据压力和产量递减率特征,明确划分了该区块页岩气气井的生产过程为3个阶段:排采期、递减期和低压小产期。研究的成果不仅进一步明确了该区块页岩气气井的生产动态,也为后续或其他页岩气区块阶段划分、生产管理与优化策略提供了科学依据和支持。
The production patterns of gas wells in a certain shale gas field is deeply explored,and the production process is clearly divided into stages.Through data analysis and model construction,this study reveals the following results.A statistical indicator system is established for the production patterns of shale gas wells,which comprehensively summarizes the distribution characteristics of pressure,gas production,and water production at each production stage,and their change trends over time.According to the decline rate characteristics of pressure and output,the production process of the shale gas wells in this block is clearly divided into three stages:the blowdown phase,the decline phase,and the low-pressure low-output phase.The results of this study further clarifies the production dynamics of the shale gas wells in this block,and also provides a scientific basis and support for the stage division,production management,and optimization strategies for subsequent or other shale gas blocks.
shale gas / index / production stage / production pattern / statistics
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国家自然科学基金青年科学基金项目(51704253)
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