This article is cited in 4 papers

An algorithm for joint modeling of filtration and geomechanical processes in the well bore zone

A. V. Manakov^ab, V. Ya. Rudyak<sup>ba

a</sup> Novosibirsk State University of Achitecture and Civil Engineering, Novosibirsk, RUSSIA
^b Baker Hughes Novosibirsk Technological Center, Novosibirsk, RUSSIA

Abstract: We design an algorithm for joint modeling of filtration and geomechanical processes developing in the well bore zone during drilling. We describe geomechanical processes in the framework of linear elasticity theory with pore pressure. For the first time we explicitly account for the formation and dynamics of wall cake. The algorithm, based on the finite element method, enables us to study the variation of the strained and deformed state of the porous medium and pore pressure as the drilling fluid permeats the medium.

Keywords: drilling, well bore zone, strained and deformed state, pore pressure, drilling fluid filtration, wall cake.

UDC: 539.371+532.546

Received: 03.01.2011
Revised: 09.12.2011