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Analysis and Control of Oilwell Drilling Vibrations - A Time-Delay Systems Approach (Paperback, Softcover reprint of the original 1st ed. 2015)
Loot Price: R3,706
Discovery Miles 37 060
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Analysis and Control of Oilwell Drilling Vibrations - A Time-Delay Systems Approach (Paperback, Softcover reprint of the original 1st ed. 2015)
Series: Advances in Industrial Control
Expected to ship within 10 - 15 working days
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This book reports the results of exhaustive research work on
modeling and control of vertical oil well drilling systems. It is
focused on the analysis of the system-dynamic response and the
elimination of the most damaging drill string vibration modes
affecting overall perforation performance: stick-slip (torsional
vibration) and bit-bounce (axial vibration). The text is organized
in three parts. The first part, Modeling, presents lumped- and
distributed-parameter models that allow the dynamic behavior of the
drill string to be characterized; a comprehensive mathematical
model taking into account mechanical and electric components of the
overall drilling system is also provided. The distributed nature of
the system is accommodated by considering a system of wave
equations subject to nonlinear boundary conditions; this model is
transformed into a pair of neutral-type time-delay equations which
can overcome the complexity involved in the analysis and simulation
of the partial differential equation model. The second part,
Analysis, is devoted to the study of the response of the system
described by the time-delay model; important properties useful for
analyzing system stability are investigated and frequency- and
time-domain techniques are reviewed. Part III, Control, concerns
the design of stabilizing control laws aimed at eliminating
undesirable drilling vibrations; diverse control techniques based
on infinite--dimensional system representations are designed and
evaluated. The control proposals are shown to be effective in
suppressing stick-slip and bit-bounce so that a considerable
improvement of the overall drilling performance can be achieved.
This self-contained book provides operational guidelines to avoid
drilling vibrations. Furthermore, since the modeling and control
techniques presented here can be generalized to treat diverse
engineering problems, it constitutes a useful resource to
researchers working on control and its engineering application in
oil well drilling.
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