Measured Z-Factor of CO2-Dry Gas/Wet Gas/Gas Condensates for CO2 storage in depleted gas reservoirs

P. S. Adisoemarta, S. M. Frailey, A. S. Lawal

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In support of the research project at the Center for Applied Petrophysical and Reservoir Studies in geologic storage of carbon dioxide in depleted gas reservoirs, the PVT laboratory at Texas Tech University performed compressibility factor (z-factor) measurements at various composition of CO2 with hydrocarbon (HC) gas mixture. For the sole purpose of the measured Z-factor data, three temperatures of 100°F, 160°F and 220°F and pressures ranges from 50 psia to 5000 psia are selected as representative of the depleted gas reservoirs (DGRs). In order to analyze the various phase behavior to be encountered in gas reservoirs (dry gas, wet gas and retrograde gas), the median gas compositions for dry, wet and retrograde gases are specified by gas type. The gas types are categorized by representative compositional analysis for the three types of gas reservoirs (dry gas, wet gas and retrograde gas). The measurements of z-factors for CO2-hydrocarbon mixtures in varying proportions and at the three specified temperatures for various pressures are performed on the median gas compositions of the type gases. The results of the z-factor measurements of CO2-hydrocarbon mixtures are used to interpret the expected phase behavior to be encountered in the geologic storage of CO2 in gas reservoirs. Also, the z-factor measurements of CO2-retrograde gas mixtures are used to quality the benefits of enhanced gas and condensate recovery in gas reservoirs.

Original languageEnglish (US)
Title of host publicationSociety of Petroleum Engineers - SPE/DOE Symposium on Improved Oil Recovery 2004, IOR 2004
PublisherSociety of Petroleum Engineers (SPE)
ISBN (Print)9781555639884
StatePublished - Jan 1 2004
Externally publishedYes
EventSPE/DOE Symposium on Improved Oil Recovery 2004, IOR 2004 - Tulsa, United States
Duration: Apr 17 2004Apr 21 2004

Publication series

NameProceedings - SPE Symposium on Improved Oil Recovery
Volume2004-April

Other

OtherSPE/DOE Symposium on Improved Oil Recovery 2004, IOR 2004
CountryUnited States
CityTulsa
Period4/17/044/21/04

Fingerprint

Gas condensates
gas condensate
Gases
gas
hydrocarbon
gas reservoir
Hydrocarbons
Phase behavior
Gas mixtures
Chemical analysis
condensate
compressibility

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Geotechnical Engineering and Engineering Geology

Cite this

Adisoemarta, P. S., Frailey, S. M., & Lawal, A. S. (2004). Measured Z-Factor of CO2-Dry Gas/Wet Gas/Gas Condensates for CO2 storage in depleted gas reservoirs. In Society of Petroleum Engineers - SPE/DOE Symposium on Improved Oil Recovery 2004, IOR 2004 (Proceedings - SPE Symposium on Improved Oil Recovery; Vol. 2004-April). Society of Petroleum Engineers (SPE).

Measured Z-Factor of CO2-Dry Gas/Wet Gas/Gas Condensates for CO2 storage in depleted gas reservoirs. / Adisoemarta, P. S.; Frailey, S. M.; Lawal, A. S.

Society of Petroleum Engineers - SPE/DOE Symposium on Improved Oil Recovery 2004, IOR 2004. Society of Petroleum Engineers (SPE), 2004. (Proceedings - SPE Symposium on Improved Oil Recovery; Vol. 2004-April).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Adisoemarta, PS, Frailey, SM & Lawal, AS 2004, Measured Z-Factor of CO2-Dry Gas/Wet Gas/Gas Condensates for CO2 storage in depleted gas reservoirs. in Society of Petroleum Engineers - SPE/DOE Symposium on Improved Oil Recovery 2004, IOR 2004. Proceedings - SPE Symposium on Improved Oil Recovery, vol. 2004-April, Society of Petroleum Engineers (SPE), SPE/DOE Symposium on Improved Oil Recovery 2004, IOR 2004, Tulsa, United States, 4/17/04.
Adisoemarta PS, Frailey SM, Lawal AS. Measured Z-Factor of CO2-Dry Gas/Wet Gas/Gas Condensates for CO2 storage in depleted gas reservoirs. In Society of Petroleum Engineers - SPE/DOE Symposium on Improved Oil Recovery 2004, IOR 2004. Society of Petroleum Engineers (SPE). 2004. (Proceedings - SPE Symposium on Improved Oil Recovery).
Adisoemarta, P. S. ; Frailey, S. M. ; Lawal, A. S. / Measured Z-Factor of CO2-Dry Gas/Wet Gas/Gas Condensates for CO2 storage in depleted gas reservoirs. Society of Petroleum Engineers - SPE/DOE Symposium on Improved Oil Recovery 2004, IOR 2004. Society of Petroleum Engineers (SPE), 2004. (Proceedings - SPE Symposium on Improved Oil Recovery).
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