Method for estimating the probability of collision between wells
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United States of America Patent
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May 21, 2013
Grant Date -
Jul 1, 2010
app pub date -
Jun 29, 2009
filing date -
Jul 3, 2008
priority date (Note) -
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Abstract
A method for drilling a well, the method including: identifying another well proximate to the well being drilled; collecting spatial information for at least a portion of the another well and the well being drilled; estimating a trajectory for at least a portion of the well being drilled and the another well; estimating an uncertainty in spatial information for each trajectory; estimating a probability of a collision with the another well during the drilling of the well by integrating a probability density function using the uncertainties and the trajectories; and performing the drilling in a manner that limits the probability of collision. A system and another method are provided.
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