Energy Physics

Martha Belem Saldivar Márquez,Islam Boussaada,Hugues's Analysis and Control of Oilwell Drilling Vibrations: A PDF

By Martha Belem Saldivar Márquez,Islam Boussaada,Hugues Mounier,Silviu-Iulian Niculescu

ISBN-10: 3319157469

ISBN-13: 9783319157467

This e-book reviews the result of exhaustive learn paintings on modeling and keep watch over of vertical oil good drilling structures. it's fascinated with the research of the system-dynamic reaction and the removal of the main harmful drill string vibration modes affecting total perforation functionality: stick-slip (torsional vibration) and bit-bounce (axial vibration). The textual content is equipped in 3 parts.

The first half, Modeling, offers lumped- and distributed-parameter types that permit the dynamic habit of the drill string to be characterised; a finished mathematical version considering mechanical and electrical parts of the final drilling process can be supplied. The dispensed nature of the process is accommodated via contemplating a procedure of wave equations topic to nonlinear boundary stipulations; this version is reworked right into a pair of neutral-type time-delay equations that can triumph over the complexity focused on the research and simulation of the partial differential equation model.

The moment half, research, is dedicated to the research of the reaction of the method defined via the time-delay version; vital homes priceless for interpreting method balance are investigated and frequency- and time-domain suggestions are reviewed.

Part III, keep watch over, matters the layout of stabilizing keep watch over legislation aimed toward taking out bad drilling vibrations; different keep an eye on suggestions in response to infinite--dimensional method representations are designed and evaluated. The keep an eye on proposals are proven to be potent in suppressing stick-slip and bit-bounce in order that a substantial development of the final drilling functionality could be achieved.

This self-contained ebook presents operational directions to prevent drilling vibrations. moreover, because the modeling and regulate recommendations awarded the following should be generalized to regard assorted engineering difficulties, it constitutes an invaluable source to researchers engaged on keep an eye on and its engineering software in oil good drilling.

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Analysis and Control of Oilwell Drilling Vibrations: A Time-Delay Systems Approach (Advances in Industrial Control) by Martha Belem Saldivar Márquez,Islam Boussaada,Hugues Mounier,Silviu-Iulian Niculescu

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