Engineers overcoming bicenter drillbit design hurdles for offshore applications

BICENTER DRILLBITS-1This is the first of two articles on overcoming hurdles in bicenter bit design for offshore applications. This week's article provides examples and technical explanations concerning the performance and design issues for this rapidly advancing technology. Part two will show how drillbit manufacturers, each developing unique bicenter technologies, seek to provide their own solutions to problems.Recent developments in bicenter drillbit design have overcome many of the problems that once precluded their use in costly offshore operations, now allowing operators to eliminate many nondrilling activities, such as bit trips, while improving drilling performance.This first o...

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