TECHICAL Series MATHEMATICS • INFORMATICS • PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
Dynamic System Composed of Topdrive and Drill Pipe
(Dinamica sistemului alcătuit din topdrive şi garnitura de foraj)
Vol LXII • No. 1/2010
Marius Stan, Lazăr Avram
Universitatea Petrol-Gaze din Ploieşti, Bd. Bucureşti, 39, Ploiesti
e-mail: mstan @upg-ploiesti.ro

 Keywords   drilling, dynamic study, working system, simulation.

 Abstract
Modern drilling rigs are equipped with a modern system of engagement of the upper part of the top drive system which is used to carry out special functions. A great importance in the dynamic study of a working system in technological drilling operation is given to the way in which the system structure is set. A first concern in this regard was to set the structure of the working system in order to design the dynamic simulation as a continuous system.

 Rezumat
În cadrul acestui articol este prezentat modelul matematic al ansamblului compus din echipamentul de antrenare de la partea superioară a garniturii de foraj denumit topdrive şi ansamblul garnitură de foraj. Principalele elemente de noutate aduse modelului constau în considerarea amortizării structurale şi a presiunii suplimentare apărute la manevra garniturii de foraj în sondă. Rezultatele se materializează prin elaborarea unui program de calcul computerizat ale cărui rezultate grafice sunt prezentate în urma simulării operaţiei de extragere a garniturii de la o anumita adâncime.



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