System, program products, and methods for controlling...

Details System, program products, and methods for controlling... System, program products, and methods for controlling...

2011-03-15

2011-03-15

Masinick, Michael D (Department: 2128)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Mechanical control system

C175S024000, C175S038000, C175S040000, C175S048000

Reexamination Certificate

active

07908034

ABSTRACT:
Embodiments of systems, program products, and methods for controlling drilling fluid parameters are provided. These embodiments, for example, provide dynamic density control with highly adaptive, real-time, process-control and are scalable to any rig, large or small, on land or water. Combined static and dynamic stresses and displacements can be determined continuously at strategic locations in and around the wellbore of a well so that insitu and operational induced pressure window limitations at specific weak-points or other locations of interest are controlled.

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“Managing Wellbore Pressure While Drilling”, McCaskill et al, PowerWell Services, Mar./Apr. 2006.
Using Downhole Annular Pressure Measurements to Improve Drilling Performance, Aldred et al, Oilfield Review, Winter 1998.
“Dynamic Annular Pressure Control System”, at balance with Smith, marketing flyer—date unknown.
“Managed Pressure Drilling”, Weatherford, 2008.
International Search Report dated Apr. 11, 2008 (2 pages).

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