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Feasibility of 4D gravity in reservoir monitoring
- 1.0399005 - GFÚ 2014 RIV NL eng C - Conference Paper (international conference)
Mrlina, Jan
Feasibility of 4D gravity in reservoir monitoring.
75th EAGE Conference & Exhibition incorporating SPE EUROPEC 2013. Proceedings. Houten: EAGE, 2013, Th-10-16/1-Th-10-16/5. ISBN 978-90-73834-48-4.
[EAGE Conference & Exhibition incorporating SPE EUROPEC 2013 /75./. London (GB), 10.06.2013-13.06.2013]
R&D Projects: GA MŠMT LM2010008
Institutional support: RVO:67985530
Keywords : gravity modelling * hydrocarbon reservoirs * 4D gravity
Subject RIV: DC - Siesmology, Volcanology, Earth Structure
Gravity monitoring of hydrocarbon reservoirs has been already successfully applied in a few cases. However, it may easily fail in many other cases, depending on different parameters of rocks and fluids, as well as different geometry of the reservoir formation. A feasibility study is needed before any decision taking. It is normally performed with a full and detailed modeling of the gravity signal caused by the density change related to reservoir re-saturation by different fluid during hydrocarbon extraction, including enhanced oil recovery, as well as gas/steam injection. The correct estimate of rocks and fluids effective densities is crucial, considering other rock properties like porosity and permeability. As well, reservoir geometry plays a significant role, especially depth, thickness and horizontal extent of the re-saturated zone. A simple technique was developed to estimate the feasibility of the 4D Gravity application to reservoir monitoring, based on graphs and tables.
Permanent Link: http://hdl.handle.net/11104/0226402
Number of the records: 1