Geochemical Investigation of the Combined Effect of Injecting Low Salinity Water and Carbon Dioxide on Carbonate Reservoirs

Emad W. Al-Shalabi; Kamy Sepehrnoori; Gary Pope

doi:10.1016/j.egypro.2014.11.800

Geochemical Investigation of the Combined Effect of Injecting Low Salinity Water and Carbon Dioxide on Carbonate Reservoirs

Emad W. Al-Shalabi
, Kamy Sepehrnoori
, Gary Pope

The University of Texas at Austin

Research output: Contribution to journal › Conference article › peer-review

19 Scopus citations

Abstract

This paper uses geochemical modeling to investigate the combined effect of low salinity water injection (LSWI) and CO₂ on carbonate oil reservoirs. The geochemical modeling of recently published corefloods was performed using the PHREEQC simulator. Geochemical analysis show that the change in surface charge of carbonates by varying pH is more pronounced using LSWI only than is the combined effect of LSWI and CO₂ injection. The combined effect of LSWI and CO₂ is most prominent on carbonates with high dolomite composition, whereas carbonates with high anhydrite composition are most affected by LSWI only.

Original language	British English
Pages (from-to)	7663-7676
Number of pages	14
Journal	Energy Procedia
Volume	63
DOIs	https://doi.org/10.1016/j.egypro.2014.11.800
State	Published - 2014
Event	12th International Conference on Greenhouse Gas Control Technologies, GHGT 2014 - Austin, United States Duration: 5 Oct 2014 → 9 Oct 2014

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SDG 13 Climate Action

Keywords

Combined effect of LSWI and CO
Geochemical modeling
Low salinity water injection (LSWI)
LSWI and CO in carbonates
Wettability alteration by LSWI

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10.1016/j.egypro.2014.11.800

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title = "Geochemical Investigation of the Combined Effect of Injecting Low Salinity Water and Carbon Dioxide on Carbonate Reservoirs",

abstract = "This paper uses geochemical modeling to investigate the combined effect of low salinity water injection (LSWI) and CO2 on carbonate oil reservoirs. The geochemical modeling of recently published corefloods was performed using the PHREEQC simulator. Geochemical analysis show that the change in surface charge of carbonates by varying pH is more pronounced using LSWI only than is the combined effect of LSWI and CO2 injection. The combined effect of LSWI and CO2 is most prominent on carbonates with high dolomite composition, whereas carbonates with high anhydrite composition are most affected by LSWI only.",

keywords = "Combined effect of LSWI and CO, Geochemical modeling, Low salinity water injection (LSWI), LSWI and CO in carbonates, Wettability alteration by LSWI",

author = "Al-Shalabi, \{Emad W.\} and Kamy Sepehrnoori and Gary Pope",

note = "Funding Information: The authors wish to acknowledge Abu Dhabi National Oil Company (ADNOC) for funding this research. Publisher Copyright: {\textcopyright} 2014 The Authors. Published by Elsevier Ltd.; 12th International Conference on Greenhouse Gas Control Technologies, GHGT 2014 ; Conference date: 05-10-2014 Through 09-10-2014",

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AU - Al-Shalabi, Emad W.

AU - Sepehrnoori, Kamy

AU - Pope, Gary

PY - 2014

Y1 - 2014

N2 - This paper uses geochemical modeling to investigate the combined effect of low salinity water injection (LSWI) and CO2 on carbonate oil reservoirs. The geochemical modeling of recently published corefloods was performed using the PHREEQC simulator. Geochemical analysis show that the change in surface charge of carbonates by varying pH is more pronounced using LSWI only than is the combined effect of LSWI and CO2 injection. The combined effect of LSWI and CO2 is most prominent on carbonates with high dolomite composition, whereas carbonates with high anhydrite composition are most affected by LSWI only.

AB - This paper uses geochemical modeling to investigate the combined effect of low salinity water injection (LSWI) and CO2 on carbonate oil reservoirs. The geochemical modeling of recently published corefloods was performed using the PHREEQC simulator. Geochemical analysis show that the change in surface charge of carbonates by varying pH is more pronounced using LSWI only than is the combined effect of LSWI and CO2 injection. The combined effect of LSWI and CO2 is most prominent on carbonates with high dolomite composition, whereas carbonates with high anhydrite composition are most affected by LSWI only.

KW - Combined effect of LSWI and CO

KW - Geochemical modeling

KW - Low salinity water injection (LSWI)

KW - LSWI and CO in carbonates

KW - Wettability alteration by LSWI

UR - https://www.scopus.com/pages/publications/84922882997

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DO - 10.1016/j.egypro.2014.11.800

M3 - Conference article

AN - SCOPUS:84922882997

SN - 1876-6102

VL - 63

SP - 7663

EP - 7676

JO - Energy Procedia

JF - Energy Procedia

T2 - 12th International Conference on Greenhouse Gas Control Technologies, GHGT 2014

Y2 - 5 October 2014 through 9 October 2014

ER -

Geochemical Investigation of the Combined Effect of Injecting Low Salinity Water and Carbon Dioxide on Carbonate Reservoirs

Abstract

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Keywords

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