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聚氨泥的扩散行为,通过分裂接技术,同时增强水库强度和透性

Xiangzeng Wang¹, Fengsan Zhang², Jinqiao Wu²

¹Yanchang Petroleum (Group) Co., Ltd., Xi'an 710061, China.

|September 27, 2025

概括

这项研究引入了用于双增强刺激的聚氨泥,提高了地质形成强度和透性. 一个有限离散元素方法 (FDEM) 模型优化了煤床甲储的接参数.

科学领域:

地质技术工程地质技术工程
石油工程是石油工程中的一个.
材料科学材料科学材料科学

背景情况:

传统的断裂接增强了柔软的土壤,但没有优化水库的性能.
双增强刺激旨在同时提高机械稳定性和透性.
煤床甲 (CBM) 提取需要有效的储刺激技术.

研究的目的:

开发和建模用于双增强刺激的聚氨泥.
量化泥扩散行为并优化CBM构成中的现场应用.
分析工程和地质因素对泥脉传播和刺激的影响.

主要方法:

开发了一种聚氨泥,用于高强度,高透度的通道形成.
使用有限离散元素方法 (FDEM) 模型与Abaqus集成用于模拟.
参数化模型与奥尔多斯盆地CBM水库属性,泥风学和过数据.

主要成果:

增加接速率 (1.2到3.6 m3/min) 增加了刺激体积和断裂宽度,增加了断裂压力.
较低的泥粘度 (100 mPa·s) 促进了多重泥静脉的发展.
床铺与煤炭岩石强度比和侧面压力系数影响了静脉传播方向和程度.
更高的床位密度和更高的床位角度导致更复杂的断裂网络和方向变化.

结论:

该研究为CBM储库中的双增强刺激提供了定量指导.
优化接参数 (速率,粘度,压力) 提高了透性和机械稳定性.
地质因素,如床铺特征显著影响泥脉的传播和断裂网络的复杂性.

关键词:

煤床甲的使用情况双增强刺激的双增强刺激有限离散元素的有限离散元素.破裂压力压力破裂压力压力聚氨泥的聚氨泥.

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