System Availability Bayes Confidence Limits for Drilling Mud Pump

Abstract

Abstract: Aiming at the main problems existing in drilling mud pump, include place in field work, severe work environment, high failure probability, and maintenance difficulty, etc. , series system availability assessment method is studied, system availability multi-stage model is established, and equivalent binomial and exponential unit availability expression are finally given. According to the field data characteristic, Bayes statistical inference method is studied combined with engineering background, further more, the first confidence limit and second confidence limit for drilling mud pump system availability are obtained using moment equivalent principle. Using field life data of 1 296 wells collected from Daqing petroleum drilling crew, evaluating the system availability for domestic drilling mud pump F-1300/1600, the feasibility of this method is validated and provided for demonstration of domestic system availability assessment and effective method.

Key words: drilling mud pump;system availability;confidence limits;Bayes method

CLC Number:

TB114

SU Zimei;ZHU Liping;YUAN Huijuan;GUO Jianying;YU Mingyou. System Availability Bayes Confidence Limits for Drilling Mud Pump[J]. , 2014, 50(14): 56-61.

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System Availability Bayes Confidence Limits for Drilling Mud Pump

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