Geological sequestration of carbon dioxide in depleted gas reservoirs

L. E. Sobers, S. M. Frailey, A. S. Lawal

Research output: Contribution to conferencePaper

Abstract

The effects of phase behavior on the sequestration of CO 2 in depleted gas reservoirs (dry gas, wet gas, and retrograde gas) were studied. CO 2 had a drying effect on wet and retrograde gas mixtures and a wetting effect on dry gas. There was a decrease of the compressibility factor of the vapor phase due to addition of CO 2. Compressibility factor was directly proportional to formation volume factor, which was inversely proportional to storage capacity. As CO 2 lowers the compressibility of natural gas, it facilitates greater storage capacity. A novel method for relating mole fraction of CO 2 and pressure was developed to estimate the Z-factor and percent-liquid path during CO 2 injection. A material balance method was developed for estimating CO 2 sequestration volumes using the production behavior of the natural gas reservoir. This is an abstact of a paper was presented at the SPE-DOE 14th Improved Symposium Oil Recovery Proceedings (Tulsa, OK 4/17-21/2004).

Original languageEnglish (US)
StatePublished - Jul 30 2004
Event2004 SPE - DOE Fourteenth Inproved Symposium Oil Recovery Proceedings: Clean Sweep Strategies - Tulsa, OK, United States
Duration: Apr 17 2004Apr 21 2004

Other

Other2004 SPE - DOE Fourteenth Inproved Symposium Oil Recovery Proceedings: Clean Sweep Strategies
CountryUnited States
CityTulsa, OK
Period4/17/044/21/04

Fingerprint

Carbon Monoxide
Carbon Dioxide
Carbon dioxide
Gases
Compressibility
Natural gas
Phase behavior
Gas mixtures
Wetting
Drying
Vapors
Recovery
Oils
Liquids

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Energy Engineering and Power Technology

Cite this

Sobers, L. E., Frailey, S. M., & Lawal, A. S. (2004). Geological sequestration of carbon dioxide in depleted gas reservoirs. Paper presented at 2004 SPE - DOE Fourteenth Inproved Symposium Oil Recovery Proceedings: Clean Sweep Strategies, Tulsa, OK, United States.

Geological sequestration of carbon dioxide in depleted gas reservoirs. / Sobers, L. E.; Frailey, S. M.; Lawal, A. S.

2004. Paper presented at 2004 SPE - DOE Fourteenth Inproved Symposium Oil Recovery Proceedings: Clean Sweep Strategies, Tulsa, OK, United States.

Research output: Contribution to conferencePaper

Sobers, LE, Frailey, SM & Lawal, AS 2004, 'Geological sequestration of carbon dioxide in depleted gas reservoirs' Paper presented at 2004 SPE - DOE Fourteenth Inproved Symposium Oil Recovery Proceedings: Clean Sweep Strategies, Tulsa, OK, United States, 4/17/04 - 4/21/04, .
Sobers LE, Frailey SM, Lawal AS. Geological sequestration of carbon dioxide in depleted gas reservoirs. 2004. Paper presented at 2004 SPE - DOE Fourteenth Inproved Symposium Oil Recovery Proceedings: Clean Sweep Strategies, Tulsa, OK, United States.
Sobers, L. E. ; Frailey, S. M. ; Lawal, A. S. / Geological sequestration of carbon dioxide in depleted gas reservoirs. Paper presented at 2004 SPE - DOE Fourteenth Inproved Symposium Oil Recovery Proceedings: Clean Sweep Strategies, Tulsa, OK, United States.
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