Математическое моделирование, компьютерный и натурный эксперимент в естественных науках
Электронный научный журнал

Физико-математические науки
ON THE ISSUE OF MATHEMATICAL MODELING OF THE ROCK STRESSED-DEFORMED STATE FOR THE WELLBORE STABILITY ESTIMATIONS
Moskovskiy I.G. 1

1. Yuri Gagarin State Technical University of Saratov, Russia, Saratov

Abstract:

The paper deals with comparing the results of wellbore stability estimations depending on the values of the stress tensor tangential components operating within rocks in natural occurrences. With the traditional approach, all the specified components are considered to be equal to zero. As shown in the paper, this may result in faulty estimation of the range of the drilling mud densities that do not inflict damage to the rocks at the wellbore walls.

Keywords: rocks stressed-deformed state, stress tensor, tangential stresses, Mohr-Coulomb strength criterion, wellbore stability, optimum drilling mud density

Сайт работает на RAE Editorial System