This work presents the results obtained in a project developed in PETROBRAS' Research Center – CENPES – aiming at the introduction of concepts of viscoelasticity in drilling, completion and stimulation fluids characterization. One major issue is the study of the cuttings transport and suspension during high component. This component proved to be important especially when such fluids are at rest or in the transient period which happens in the beginning of fluid movement. Such relationship is the base of a methodology for predicting cuttings transport in complex geometry wells anticipating well designers in possible hole cleaning problems based on the usual design data.

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