Evaluation of permeability and specific storage of a low permeable rock injected by supercritical CO2 using flow pump method

H. Honda, Y. Mitani, H. Ikemi

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

1 Citation (Scopus)

Abstract

A low permeable rock mass is focused as an alternative option of carbon capture and geological storage (CCS) suitable for geological structure of Japan with lack of oil and gas reservoirs. However, the properties of the permeability and the storability in low permeable rock mass are not clear, in spite of a lot of researches on the behavior of carbon dioxide (CO2) in rock. The object of this study is clarified the properties of the permeability, the storability and the storage mechanism of CO2 in a low permeable rock for the safety and economical CCS. In order to clarify the properties of permeability and storability of the low permeable rock injected with supercritical CO2, flow pump permeability test is conducted under the in-site condition of CO2 reservoir. In the experiment, Ainoura sandstone is used. The boundary condition on the outlet side of specimen is kept a constant pressure. As a result, it has been possible to observe step by step the change of the differential pressure between both ends of specimen. The first step has shown the difference pressure changes similar to the permeability test, then once it has shown a constant, but has increased further. Thereafter the differential pressure decreases. Finally, the differential pressure has become the ultimate state. Additionally, the theoretical analysis of flow pump permeability test incorporating Darcy's law for two phases flow has been developed to examine the relative permeability and specific storage of rock under supercritical CO2 injection. It has been observed supercritical CO2 flowed into specimen penetrate into microscopic pore and has flowed through captured by sandstone's pores. Furthermore residual water has existed in specimen after showing the constant differential pressure in the end of the test.

Original languageEnglish
Title of host publicationISRM International Symposium - 8th Asian Rock Mechanics Symposium, ARMS 2014
Editors Kaneko, Kodama, Shimizu
PublisherInternational Society for Rock Mechanics
Pages2689-2694
Number of pages6
ISBN (Electronic)9784907430030
Publication statusPublished - Jan 1 2014
Event8th Asian Rock Mechanics Symposium, ARMS 2014 - Sapporo, Japan
Duration: Oct 14 2014Oct 16 2014

Publication series

NameISRM International Symposium - 8th Asian Rock Mechanics Symposium, ARMS 2014

Other

Other8th Asian Rock Mechanics Symposium, ARMS 2014
CountryJapan
CitySapporo
Period10/14/1410/16/14

Fingerprint

pump
permeability
Rocks
Pumps
rocks
differential pressure
pumps
evaluation
rock
Carbon capture
Sandstone
sandstones
supercritical flow
sandstone
porosity
Darcy law
carbon
Carbon Dioxide
Two phase flow
two phase flow

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Geochemistry and Petrology

Cite this

Honda, H., Mitani, Y., & Ikemi, H. (2014). Evaluation of permeability and specific storage of a low permeable rock injected by supercritical CO2 using flow pump method. In Kaneko, Kodama, & Shimizu (Eds.), ISRM International Symposium - 8th Asian Rock Mechanics Symposium, ARMS 2014 (pp. 2689-2694). (ISRM International Symposium - 8th Asian Rock Mechanics Symposium, ARMS 2014). International Society for Rock Mechanics.

Evaluation of permeability and specific storage of a low permeable rock injected by supercritical CO2 using flow pump method. / Honda, H.; Mitani, Y.; Ikemi, H.

ISRM International Symposium - 8th Asian Rock Mechanics Symposium, ARMS 2014. ed. / Kaneko; Kodama; Shimizu. International Society for Rock Mechanics, 2014. p. 2689-2694 (ISRM International Symposium - 8th Asian Rock Mechanics Symposium, ARMS 2014).

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

Honda, H, Mitani, Y & Ikemi, H 2014, Evaluation of permeability and specific storage of a low permeable rock injected by supercritical CO2 using flow pump method. in Kaneko, Kodama & Shimizu (eds), ISRM International Symposium - 8th Asian Rock Mechanics Symposium, ARMS 2014. ISRM International Symposium - 8th Asian Rock Mechanics Symposium, ARMS 2014, International Society for Rock Mechanics, pp. 2689-2694, 8th Asian Rock Mechanics Symposium, ARMS 2014, Sapporo, Japan, 10/14/14.
Honda H, Mitani Y, Ikemi H. Evaluation of permeability and specific storage of a low permeable rock injected by supercritical CO2 using flow pump method. In Kaneko, Kodama, Shimizu, editors, ISRM International Symposium - 8th Asian Rock Mechanics Symposium, ARMS 2014. International Society for Rock Mechanics. 2014. p. 2689-2694. (ISRM International Symposium - 8th Asian Rock Mechanics Symposium, ARMS 2014).
Honda, H. ; Mitani, Y. ; Ikemi, H. / Evaluation of permeability and specific storage of a low permeable rock injected by supercritical CO2 using flow pump method. ISRM International Symposium - 8th Asian Rock Mechanics Symposium, ARMS 2014. editor / Kaneko ; Kodama ; Shimizu. International Society for Rock Mechanics, 2014. pp. 2689-2694 (ISRM International Symposium - 8th Asian Rock Mechanics Symposium, ARMS 2014).
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