DEFORMATION OF ABANDONED SHALLOW OIL AND GAS WELLS IN THE LIGHT OF MODELLING
Journal Title: Biuletyn Państwowego Instytutu Geologicznego - Year 2012, Vol 452, Issue 452
Abstract
The paper presents conclusions of modelling research of inappropriately liquidated shallow production oil wells. For given conditions of pressure and temperature, characteristic deformations of the well’s cross-section were determined, depending on the behavior of fluids that fill the borehole. It was proven that in the analyzed conditions, convergence of abandoned wells is not equivalent to the borehole liquidation, as its open space still allows for contacts of reservoir fluids, posing a threat of pollution to groundwater and ground surface.
Authors and Affiliations
Petr BUJOK, Michal PORZER, Krzysztof LABUS, Martin KLEMPA, Jan PAVLUŠ
Keywords
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