对高效的数值模拟方法的研究,以集成压裂与页岩油库的生产,使用多来源数据
Jie Zhan1, Xifeng Ding2, Hai Liu3
1School of Petroleum Engineering, Xi'an Shiyou University, Xi'an, 710065, China. zhanjie_petro@163.com.
Scientific reports
|December 23, 2024
概括
一个新的动态地质机械 (DG) 模型模拟了页岩水库中的液压压裂,改善了对断裂膨胀和流体流动的理解. 这种模型提高了水库的生产力,并优化了水平井的压裂设计.
科学领域:
- 地质科学 地质科学
- 石油工程是石油工程中的一个.
- 计算力学 计算力学 计算力学
背景情况:
- 水平井水力压裂是页岩水库生产率的关键.
- 目前对断裂网络扩张和现场流体透的理解有限.
- 精确模拟这些过程对于优化提取至关重要.
研究的目的:
- 开发和验证一个动态地质机械 (DG) 模型,用于模拟页岩水库中的水力压裂.
- 在现场条件下分析断裂网络扩张和流体透.
- 为优化液压压裂设计和提高水库生产率提供一个工具.
主要方法:
- 开发一个集结不稳定的透和扩展-重新压缩模型的总局模型.
- 使用细分的采伐和生产数据构建地质模型.
- 数字模拟与现场数据校准,用于历史匹配.
主要成果:
- 总局模型准确地模拟了多阶段裂变,水库特性演变和生产力.
- 断裂半径达到148米,注入790.5立方米,符合设计规格.
- 储的透性显著增加,在生产过程中保持了46mD.
结论:
- 总局模型提供了一种全面的方法来分析页岩水库开发情况.
- 它准确地捕捉了液压压裂和流体流动的动态过程.
- 该模型为提高生产率和优化压裂策略提供了基础.
相关概念视频
01:30Typical Model Studies
340
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
340
01:29Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving
40
Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
40