Method of Pressure Testing a Wellbore
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United States of America Patent
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Dec 17, 2014
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Dec 17, 2014
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Abstract
A method comprises measuring a first external pressure within an annulus formed between a wellbore and a drill string disposed therein, where the first external pressure is measured by a first external pressure sensor. A fluid is pumped through the drill string into the annulus so as to move any cuttings in the annulus above the first external pressure sensor. A first internal pressure is measured within the drill string by a first internal pressure sensor. The first external pressure sensor is disposed between the first internal pressure sensor and a bottom of the wellbore.
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