Implementation of Linear Constraint Handling Techniques for Generating Set Search Method for Well Placement Optimization Problem on FieldOpt Platform
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Literature review shows that few researchers have focused on GSS method to solve well placement optimization problem and even fewer researchers have approximated the feasible domain with piecewise linear constraints. In our work, we have succeeded in implementing Linear Constraint Handling Techniques for GSS Method for Well Placement Optimization Problem on FieldOpt Platform. According to our test, by configuring larger expansion and contraction factor, the problem of getting trapped into local optimum can be alleviated, as well as using Compass pattern instead of the Fast pattern. Also, by introducing linear constraints to divide the feasible region out, the total number of simulations can be reduced significantly with the same, or even better solution. Finally, the application of our algorithm in OLYMPUS model increases the oil production significantly, which indicates a good performance and applicability of our algorithm.