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- W2372233253 abstract "A universal method of bit selection was presented in consideration of the rock mechanics properties of formation and economic benefits of the bit.Based on the evaluation of rock mechanics properties of undrilling formation,a fuzzy optimization model for selecting the best similar layers with the same rock mechanics properties was established by applying theory of fuzzy optimization.Firstly the best similar layer located the undrilled area was chosen by the model.Secondly the performance of the bit used in the selected layer was evaluated by economic benefit index.Finally the rational bit type was given.This method overcomes the shortcomings of conventional method,according to which the best similar layer is decided by geologic classification or drilling experience.This method can be applied without region limited,and it is suitable for PDC bit selection and roller bit selection.The field test result of a new exploration area indicates that this method is feasible and effective." @default.
- W2372233253 created "2016-06-24" @default.
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- W2372233253 date "2005-01-01" @default.
- W2372233253 modified "2023-09-26" @default.
- W2372233253 title "Study on universal method of bit selection" @default.
- W2372233253 hasPublicationYear "2005" @default.
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