AUTOMATED DIRECTIONAL DRILLING APPARATUS AND METHODS
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United States of America Patent
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Sep 15, 2017
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Dec 7, 2006
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A system and method for calculating a path during drilling of a BHA between first and second survey points. The method includes calculating an amount of first incremental progress made by the BHA since the first survey point; calculating a first estimate of a first current location based on the first survey point and the amount of first incremental progress; causing at least one drilling parameter to be modified in order to alter a drilling direction of the BHA based on the first estimate; calculating an amount of second incremental progress made by the BHA; calculating a second estimate of the second current location based on the amount of second incremental progress and an aggregation of data received from the BHA, including data associated with the first survey point; and causing at least one drilling parameter to be modified in order to alter the drilling direction of the BHA.
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