Conference article

Drilling Library: A Modelica library for the simulation of well construction

Reza Dadfar
Modelon, Sweden

Stéphane Velut
Modelon, Sweden

Per-Ola Larsson
Modelon, Sweden

Mathias Strandberg
Modelon, Sweden

Håkan Runvik
Modelon, Sweden

Johan Wíndahl
Modelon, Sweden

Pål Kittilsen
Equinor, Norway

John-Morten Godhavn
Equinor, Norway

Åsmund Hjulstad
Equinor, Norway

Download articlehttp://dx.doi.org/10.3384/ecp18154246

Published in: Proceedings of The American Modelica Conference 2018, October 9-10, Somberg Conference Center, Cambridge MA, USA

Linköping Electronic Conference Proceedings 154:26, p. 246-253

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Published: 2019-02-26

ISBN: 978-91-7685-148-7

ISSN: 1650-3686 (print), 1650-3740 (online)

Abstract

A Modelica library for the simulation of well construction (drilling) is presented in this paper. The library contains most of the components of a drilling system. The simulation model is capable to capture the main dynamics of the well, including the hydraulics, the mud transport, the mechanics of the drill string as well as the drill bit interaction with the bore hole. The library is well suited to simulate the well operation and to support the development of new technologies. The modelling assumptions of the library’s components are first reviewed. Subsequently, an experiment is performed to test the rotational and translational frictions.

Keywords

Drilling library, fluid-structure interaction, well construction, borehole, surge and swab, mud, Modelica.

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