SPECIAL REPORT: Tests validate new drill pipe buckling model

S. MenandMines ParistechParisA. BjorsetStatoilTrondheim, NorwayL. MacresyDrillscanMontreuil, FranceA new drill pipe buckling model provided excellent predictions for each full-scale buckling test performed, not only in terms of deformed buckling shape but also in terms of weight transfer. Existing models, on the other hand, failed to predict observed drill pipe buckling behavior. This is the first time in the drilling industry that a buckling model was successfully validated in the field, and this model can predict realistically the onset and severity of buckling for any 3D trajectory.Many articles discuss buckling inside a wellbore, but an increasing number of field observations sug...

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