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Research on Rheological Parameters Correction Method Based on Pipe Viscometer
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DOI：10.1109/JSEN.2023.3238027.png)
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摘要
En 中文
In the field of oil and gas exploration and development, it is of great significance to quickly identify the rheological parameters of drilling fluid under downhole conditions and understand the properties of drilling fluid. Pipe viscometers can monitor the rheological parameters of drilling fluid in real time, but wall slip will seriously affect the accuracy of drilling fluid rheological measurement. To solve this problem, the measurement method of rheological parameters and wall-slip effect of pipe viscometers are studied, and a new method for correcting rheological parameters based on pipe viscometers is proposed. First, the slip characteristics of drilling fluid are determined by the Mooney slip correction and Tikhonov regularization methods. The rheological parameters and wall-slip characteristics at different pump velocities are also analyzed. Thus, wall shear stress and corresponding slip velocity are treated in an ordered time series using a time window function. Then, three hyperparameters of a support vector regression (SVR) are optimized using the whale optimization algorithm (WOA), and the model is trained and validated using drilling field sample data. The experimental results show that the accuracy of the modified rheological parameters is improved by 75.01%. It provides reliable data support for the comprehensive evaluation of drilling fluid rheological parameters in drilling construction.
Keyword:
Fluids
Drilling
Pumps
Real-time systems
Pressure measurement
Time measurement
Support vector machines
Pipe viscometer
rheological parameters correction
support vector regression (SVR)
wall slip
whale optimization algorithm (WOA)
期刊
IF:
4.5
论文数:
2.2W
被引数:
7.3W
机构
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