在入侵切割操作下,使用基于Taguchi的灰色关系分析,对Stinger PDC切割器破碎岩石参数的多目标优化
Minsheng Wang1, Senlin He2, Chao Xiong2,3
1Sinopec Key Laboratory of Ultra-Deep Well Drilling Engineering Technology, Beijing 100020, China.
The Review of scientific instruments
|September 9, 2024
概括
优化斯廷格多晶钻石紧型 (PDC) 切割器参数显著提高了硬岩石破碎效率. 该研究确定了几何和工作参数的最佳设置,从而降低了入侵能力和机械特异能.
科学领域:
- 地质工程是地质工程.
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
背景情况:
- 聚晶钻石紧型 (PDC) 切割机对于高效的硬岩挖掘至关重要.
- 优化切割机几何和操作参数对于提高钻井性能至关重要.
- 现有的模型往往缺乏对岩石破裂中的多参数相互作用的全面分析.
研究的目的:
- 为了优化斯廷格PDC切割机的入侵切割岩石破碎参数,以提高效率.
- 为了确定几何和工作参数对切割机性能指标的影响.
- 为设计Stinger切割器PDC钻头提供指导.
主要方法:
- 使用Stinger PDC切割机进行花岩旋转断裂的数值建模.
- 使用Taguchi方法进行统计分析,以确定最佳参数设置.
- 差异分析 (ANOVA) 用于评估参数的显著性.
- 灰色关系分析 (GRA) 用于多目标优化.
主要成果:
- 比特重量 (P) 和切割背倾斜角度 (β) 是最有影响力的参数 (影响率分别为65.02%和17.20%).
- 最佳的几何参数:圆顶角 (α) = 60°,圆顶半径 (r) = 2 mm,切割器直径 (d) = 15 mm.
- 最佳工作参数:β=30°,P=800°北.
- 优化的参数降低了侵入能力 (IA) 55.335%,机械特异能 (MSE) 15.809%.
结论:
- 该研究成功地优化了Stinger PDC切割器参数,用于破碎硬岩石.
- 通过多目标优化实现了18.229%的整体效率提高.
- 这些发现为设计更有效的PDC钻头提供了有价值的见解.
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