WELLBORE TRIPPING ADVISOR

Abstract: a method for determining a maximum tripping velocity for tripping a downhole tool string in a wellbore includes obtaining contextual data including wellbore data, tool string data, and drilling fluid data; computing downhole drilling fluid pressures at multiple tool string velocities and accelerations using the obtained contextual data and a wellbore hydraulics model; generating an equivalent circulation density (ecd) contour along a two-dimensional acceleration and velocity parameter space from the computed downhole drilling fluid pressures; and evaluating the ecd contour with at least one of a formation pore pressure or a formation fracture pressure to generate the maximum tripping velocity.

Inventor(s): Prasanna Amur Varadarajan, Nicholas Abolins, Ghislain Roguin, Maurice Ringer

CPC Classification: E21B47/06 (Measuring temperature or pressure)

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