相关实验视频
Updated: Jan 13, 2026

19:44
A Tactile Automated Passive-Finger Stimulator TAPS
Published on: June 3, 2009
14.2K
一种基于优化PSO-BP神经网络的钻井中ROP的智能预测方法
1Xi'an Research Institute of China Coal Technology & Engineering Group Corp, Beijing, 710077, China. 15902996627@163.com.
Scientific reports
|January 7, 2026
概括
这项研究引入了一种新的模型,用于使用粒子群优化 (PSO) 和反向传播 (BP) 神经网络来预测透率 (ROP). 优化的模型提高了钻井效率和成本效益.
科学领域:
- 石油工程是石油工程中的一个.
- 机器学习 机器学习
- 钻井优化 钻井优化
背景情况:
- 准确的透率 (ROP) 预测对于优化钻探操作,资源配置和成本管理至关重要.
- 现有的ROP预测方法在复杂的地质形成中往往缺乏准确性和效率.
研究的目的:
- 开发一种新的ROP预测模型,将粒子群优化 (PSO) 与动量适应逆向传播 (BP) 神经网络相结合.
- 提高ROP预测模型的准确性,效率和通用性.
主要方法:
- 系统地选择关键输入参数,包括工程指数,液压特性和岩石学特性.
- 开发一种混合PSO-BP算法,包括动量加速和自适应性学习速度调整.
- 验证使用1200个数据点 (80%的培训,20%的测试) 和与现场数据进行比较实验.
主要成果:
- 在ROP和选定的钻井参数之间发现了显著的相关性 (系数>0.5).
- 优化的PSO-BP模型与标准BP和GA-BP模型相比,实现了更高的性能.
- 实现的平均绝对误差 (MAE) 为0.30 m/h,平均绝对百分比误差 (MAPE) 为11.35%,R2为0.93.
结论:
- 拟议的数据驱动的PSO-BP模型提供了一个可靠的框架,用于准确预测ROP在良好的特征形成.
- 这种方法提高了运营效率,并支持了具有成本效益的钻井策略.
- 该模型通过启发式优化技术展示了改进的预测准确性和通用性.
更多相关视频
08:38Microfluidic Devices for Characterizing Pore-scale Event Processes in Porous Media for Oil Recovery Applications
Published on: January 16, 2018
11.0K
11:26Assessing Cerebral Autoregulation via Oscillatory Lower Body Negative Pressure and Projection Pursuit Regression
Published on: December 10, 2014
12.8K
相关概念视频
Time-Domain Interpretation of PD Control
364
Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...
Consider the example of control of motor torque. Initially, a positive...
364
Prediction Intervals
3.2K
The interval estimate of any variable is known as the prediction interval. It helps decide if a point estimate is dependable.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y.
3.2K