Plastification Index
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1. EVALUATION OF DRILL BIT PERFORMANCE TAKING INTO ACCOUNT THE IN SITU STRESSES / EVALUACIÓN DEL DESEMPEÑO DE BROCAS DE PERFORACIÓN CONSIDERANDO EL ESTADO DE TENSIONES IN SITU / AVALIAÇÃO DO DESEMPENHO DE BROCAS DE PERFURAÇÃO LEVANDO EM CONTA O ESTADO DE TENSÕES IN SITU
The present dissertation describes a correlation between the bit performance and the state of stress acting upon the rock formation located immediately beneath the bottom of the wellbore. Bit performance data from 6 wells drilled offshore Brazil were collected and anlyzed. In order to reduce the empiricism associated with this type of data analysis, a study
Publicado em: 1998