DBPapers
DOI: 10.5593/sgem2012/s05.v2012

THE LABORATORY RESEARCH OF CO2 INFLUENCE TO CEMENT LABELS USED IN DRILLING INDUSTRY

M. KLEMPA, M. PORZER, P. BUJOK, J. SANCER, P. PANEK
Wednesday 1 August 2012 by Libadmin2012

References: 12th International Multidisciplinary Scientific GeoConference, www.sgem.org, SGEM2012 Conference Proceedings/ ISSN 1314-2704, June 17-23, 2012, Vol. 2, 519 - 526 pp

ABSTRACT

Injection of CO2 to oil deposit is an effective method for exploration increase of oil
deposit (so called EOR – Enhanced Oil Recovery) in oil industry for more than 40
years. Injection of CO2 to oil deposit, meaning long time deposit of carbon dioxide, is a
problem discussing last few years. If the oil deposit has a “correct” conditions, injection
of CO2 is a method for increasing of exploration (CO2 – EOR) and long time deposition
in geological structures simultaneously.
During application of carbon dioxide to oil deposits, it´s necessary to analyze
“secondary” problems such a CO2 influence to metal well equipment (drill string,
casing, etc.) or cement (the binding and clinging of casing to the well walls). Our work
place (Institute of Geological Engineering, VSB – Technical University of Ostrava)
solving this issues using of special reaction autoclaves RK 1α and RK 1β which permit
to simulate pressure-temperature oil deposit conditions “in situ” (deposit temperature to
80°C, deposit pressure to 16 MPa) for semi dynamic conditions. This article will discuss
carbon dioxide influence to cement especially from view of strength characteristic.

Keywords: carbon dioxide, enhanced oil recovery, cement, reaction autoclave