Fuzzy Expert System for Solving Lost Circulation Problem

Authors:
Leonid Sheremetov;Ildar Batyrshin;Jorge Martinez;Hector Rodriguez;Denis Filatov
Affiliations:
Mexican Petroleum Institute (IMP), Mexico;Mexican Petroleum Institute (IMP), Mexico;Mexican Petroleum Institute (IMP), Mexico;Mexican Petroleum Institute (IMP), Mexico;National Technical University, Mexico
Venue:
HIS '05 Proceedings of the Fifth International Conference on Hybrid Intelligent Systems
Year:
2005

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Abstract

Lost circulation is the most common problem encountered when drilling. This paper describes a distributed hybrid intelligent system, called SmartDrill, using fuzzy logic, expert system framework and web services for helping petroleum engineers to diagnose and solve lost circulation problems. The fuzzy algebra of strict monotonic operations is used as an underlying model for expert system development. Its realization in inference procedures of expert systems is simpler than for expert systems based on lexicographic operations. Overall, the system architecture is discussed and implementation details are provided. The system is aimed to help in making decisions at the operational level and currently is at field testing phase in PEMEX, Mexican Oil Company.