Anti-Collision Distance Prediction Model Based on Spherical Wave Propagation Theory

Abstract:

Inspired by the personal monitoring method in the anti-collision section drilling, the cluster well anti-collision monitoring and early warning system are developed to prevent the well bore collision in the drilling process. Distance prediction model of the warning system is developed based on the theory of elastic waves in spherical spreading and absorption attenuation. By monitoring the well casing vibration and then the data processing, the relative distance between the drill bit and adjacent well casing is obtained in real time. If the estimating possibility of well collision is occurred, then the alarm is given. The results show that the measurement model was effective in shallow strata for anti-collision warning. The model can improve the effect of present anti-collision monitoring, and provides a guarantee for the safe and efficient drilling.

• Periodical: Applied Mechanics and Materials (Volumes 333-335)
• Pages: 1736-1741
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.333-335.1736
• Online since: July 2013
• Authors: Gang Liu, Hua Liang Liu, Bao Sheng He
• Keywords: Anti-Collision, Cluster Well, Distance Prediction Model, Drill Bit Vibration, Spherical Wave

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