Fractional Flow Behaviour and Transport Mechanisms During Low Salinity and Protein Enzyme Bio-surfactant EOR Flooding

Anthony Morgan; Lateef Akanji; Tinuola Udoh; Shaibu Mohammed; Prosper Anumah; Sarkodie Justice Kyeremeh

doi:10.2118/203600-MS

Fractional Flow Behaviour and Transport Mechanisms During Low Salinity and Protein Enzyme Bio-surfactant EOR Flooding

Anthony Morgan, Lateef Akanji, Tinuola Udoh, Shaibu Mohammed, Prosper Anumah, Sarkodie Justice Kyeremeh

University of Energy and Natural Resources

Research output: Chapter in Book/Report/Conference proceeding › Published conference contribution

6 Citations (Scopus)

Abstract

The focal point of this project is to investigate and assess the potentiality of an enhanced waterfloodingprocess by a naturally generated surfactant (Protein-Enzyme bio-surfactant). The effect of low salinity(LSW), and LSW combined with a bio-surfactant (Protein-Enzyme) in a tertiary mode floodingcomparatively. A high salinity water (HS) (0.75 M) was used to flood in the secondary mode after agingthe crude saturated core with an initial water saturation of 19%, a recovery of 68.15% oil initially inplace (OIIP) was recovered until no further recovery. Upon flooding with a LSW (90% dilution of HS),a further incremental recovery of 11.1% OIIP was produced. Enhancing the LSW with bio-surfactant in athird flooding sequence, an additional 3.75% OIIP was recovered. Analysing the mechanism of LSW bio-surfactant with fractional flow, a high recovery of 0.583 PV (pore volumes) at breakthrough was estimated.Thus, an alteration in ionic strength (salinity) by a 90% dilution and combination of bio-surfactant, sawan incremental recovery, which indicates the potential of LSW bio-surfactant on recovery of residual oilsaturation.

Original language	English
Title of host publication	SPE Nigeria Annual International Conference and Exhibition
Subtitle of host publication	Deep Water Development & Operations
Publisher	Society of Petroleum Engineers
ISBN (Electronic)	9781613997857
DOIs	https://doi.org/10.2118/203600-MS
Publication status	Published - 11 Aug 2020
Event	SPE Nigeria Annual International Conference and Exhibition 2020, NAIC 2020 - Virtual, Online, Nigeria Duration: 11 Aug 2020 → 13 Aug 2020

Conference

Conference	SPE Nigeria Annual International Conference and Exhibition 2020, NAIC 2020
Country/Territory	Nigeria
City	Virtual, Online
Period	11/08/20 → 13/08/20

Keywords

reservoir characterisation
enhanced recovery
production control
reservoir surveillance
chemical flooding methods
conformance improvement
upstream oil and gas
reservoir simulation
production monitoring
flow in porous media

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10.2118/203600-MSLicence: Unspecified

Cite this

Fractional Flow Behaviour and Transport Mechanisms During Low Salinity and Protein Enzyme Bio-surfactant EOR Flooding. / Morgan, Anthony; Akanji, Lateef; Udoh, Tinuola et al.
SPE Nigeria Annual International Conference and Exhibition: Deep Water Development & Operations. Society of Petroleum Engineers, 2020.

Research output: Chapter in Book/Report/Conference proceeding › Published conference contribution

Morgan, A, Akanji, L, Udoh, T, Mohammed, S, Anumah, P & Kyeremeh, SJ 2020, Fractional Flow Behaviour and Transport Mechanisms During Low Salinity and Protein Enzyme Bio-surfactant EOR Flooding. in SPE Nigeria Annual International Conference and Exhibition: Deep Water Development & Operations. Society of Petroleum Engineers, SPE Nigeria Annual International Conference and Exhibition 2020, NAIC 2020, Virtual, Online, Nigeria, 11/08/20. https://doi.org/10.2118/203600-MS

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abstract = "The focal point of this project is to investigate and assess the potentiality of an enhanced waterfloodingprocess by a naturally generated surfactant (Protein-Enzyme bio-surfactant). The effect of low salinity(LSW), and LSW combined with a bio-surfactant (Protein-Enzyme) in a tertiary mode floodingcomparatively. A high salinity water (HS) (0.75 M) was used to flood in the secondary mode after agingthe crude saturated core with an initial water saturation of 19%, a recovery of 68.15% oil initially inplace (OIIP) was recovered until no further recovery. Upon flooding with a LSW (90% dilution of HS),a further incremental recovery of 11.1% OIIP was produced. Enhancing the LSW with bio-surfactant in athird flooding sequence, an additional 3.75% OIIP was recovered. Analysing the mechanism of LSW bio-surfactant with fractional flow, a high recovery of 0.583 PV (pore volumes) at breakthrough was estimated.Thus, an alteration in ionic strength (salinity) by a 90% dilution and combination of bio-surfactant, sawan incremental recovery, which indicates the potential of LSW bio-surfactant on recovery of residual oilsaturation.",

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AB - The focal point of this project is to investigate and assess the potentiality of an enhanced waterfloodingprocess by a naturally generated surfactant (Protein-Enzyme bio-surfactant). The effect of low salinity(LSW), and LSW combined with a bio-surfactant (Protein-Enzyme) in a tertiary mode floodingcomparatively. A high salinity water (HS) (0.75 M) was used to flood in the secondary mode after agingthe crude saturated core with an initial water saturation of 19%, a recovery of 68.15% oil initially inplace (OIIP) was recovered until no further recovery. Upon flooding with a LSW (90% dilution of HS),a further incremental recovery of 11.1% OIIP was produced. Enhancing the LSW with bio-surfactant in athird flooding sequence, an additional 3.75% OIIP was recovered. Analysing the mechanism of LSW bio-surfactant with fractional flow, a high recovery of 0.583 PV (pore volumes) at breakthrough was estimated.Thus, an alteration in ionic strength (salinity) by a 90% dilution and combination of bio-surfactant, sawan incremental recovery, which indicates the potential of LSW bio-surfactant on recovery of residual oilsaturation.

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ER -

Fractional Flow Behaviour and Transport Mechanisms During Low Salinity and Protein Enzyme Bio-surfactant EOR Flooding

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Keywords

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