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Simulation of Oil Production from Homogenous North Sea Reservoirs with Inflow Control using OLGA/Rocx

Sveinung M. Sund
Department of Technology, University College of South-East Norway, Norway

Thomas Berg Iversen
Department of Technology, University College of South-East Norway, Norway

Magnus S. Hansen
Department of Technology, University College of South-East Norway, Norway

Jørgen Bohlin
Department of Technology, University College of South-East Norway, Norway

Ole Kristian Vøllestad
Department of Technology, University College of South-East Norway, Norway

Nora Cecilie Ivarsdatter Furuvik
Department of Technology, University College of South-East Norway, Norway

Britt Margrethe Emilie Moldestad
Department of Technology, University College of South-East Norway, Norway

Ladda ner artikelhttp://dx.doi.org/10.3384/ecp17138188

Ingår i: Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th – 27th, 2017

Linköping Electronic Conference Proceedings 138:26, s. 188-195

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Publicerad: 2017-09-27

ISBN: 978-91-7685-417-4

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

Abstract

Advances in drilling technology have made long, horizontal wells the preferred method to extract oil from reservoirs in the Norwegian Sector. Early water or gas breakthrough is a passive inflow control devices (ICD) are installed to even out the drawdown. However, a new technology called Autonomous Inflow Control Valve (AICV©) has the ability to autonomously close each individual inflow zone in the event of gas or water breakthrough. The objective of this paper was to study and compare these inflow control technologies. This was accomplished by conducting simulations in OLGA/Rocx. For this study, a high-permeability homogenous sandstone heavy oil reservoir was modelled based on data from the Grane oil field in the North Sea. Comparison of the oil production from the simulations with ICD and AICV completion was performed. The results, based on a time interval of 600 days, show that the oil production is 8% less and the water production is 43% less if AICV is used compared to ICD. This indicates that AICV has the potential to reduce the water production significantly in a homogeneous reservoir.

Nyckelord

Inflow control, ICD, AICV, oil reservoir, oil production, breakthrough, multiphase flow, OLGA, Rocx.

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