Systems and Methods for Modeling Drillstring Trajectories
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United States of America Patent
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Feb 8, 2013
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Mar 24, 2009
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Abandoned
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Abstract
Systems and methods for modeling drillstring trajectories by calculating forces in the drillstring using a traditional torque-drag model and comparing the results with the results of the same forces calculated in the drillstring using a block tri-diagonal matrix, which determines whether the new drillstring trajectory is acceptable and represents mechanical equilibrium of drillstring forces and moments.
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