Modelling of carbonate rock wettability based on surface charge and calcite dissolution

Boampong, Lawrence Opoku; Rafati, Roozbeh; Haddad, Amin Sharifi

doi:10.1016/j.fuel.2022.125856

Cited by 7 publications

(14 citation statements)

References 115 publications

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“…Mineral dissolution is not considered the main mechanism that alone results in increased oil recovery through LSW injection. [ 21,28,30 ]…”

Section: Lsw Floodingmentioning

confidence: 99%

“…[27] Oil release can occur when dissolution takes place on the mineral surface that has adsorbed oil. [28] Mineral dissolution can connect macro-and micropores, allowing access to regions that would otherwise not be reached and increasing oil recovery. [29] Mineral dissolution is not considered the main mechanism that alone results in increased oil recovery through LSW injection.…”

Section: Mechanism Advantages Limitationsmentioning

confidence: 99%

“…Oil release can occur when dissolution takes place on the mineral surface that has adsorbed oil. [ 28 ]…”

Section: Lsw Floodingmentioning

confidence: 99%

“…[29] Mineral dissolution is not considered the main mechanism that alone results in increased oil recovery through LSW injection. [ 21,28,30] Disagreements are mentioned regarding this mechanism, mainly because recovery improvements were not observed in tests with the injection of brines that could promote mineral dissolution. [31][32][33] Multicomponent-ion-exchange MIE is the most accepted mechanism in the literature when discussing the injection of low-salinity water in carbonates.…”

Section: Mechanism Advantages Limitationsmentioning

confidence: 99%

See 3 more Smart Citations

Low Salinity Water–Polymer Flooding in Carbonate Oil Reservoirs: A Critical Review

Nascimento

Pereira

Bastos

et al. 2023

Macro Reaction Engineering

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Low salinity water–polymer flooding (LSWPF) is an emerging hybrid enhanced oil recovery (EOR) method that uses the synergetic effects of low salinity water (LSW) and polymers to enhance both the microscopic and macroscopic sweep efficiencies. Polymer flooding is an EOR method that aims to increase water viscosity and improve the mobility ratio of the injected fluid to the reservoir. It enhances mobility control and reduces water relative permeability, reaching a more favorable condition for sweep efficiency. LSW is an EOR method that aims to change wettability by exploiting crude oil and reservoir rock interactions. It allows for improving oil recovery when the injected water has a very low salinity compared to seawater or formation water. The literature reports LSWPF studies applied to sandstone reservoirs. However, LSWPF applications in carbonate reservoirs still lack. This review critically analyzes LSWPF as an alternative to Polymer flooding using seawater in carbonate reservoirs.

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“…Mineral dissolution is not considered the main mechanism that alone results in increased oil recovery through LSW injection. [ 21,28,30 ]…”

Section: Lsw Floodingmentioning

confidence: 99%

Section: Mechanism Advantages Limitationsmentioning

confidence: 99%

“…Oil release can occur when dissolution takes place on the mineral surface that has adsorbed oil. [ 28 ]…”

Section: Lsw Floodingmentioning

confidence: 99%

Section: Mechanism Advantages Limitationsmentioning

confidence: 99%

See 2 more Smart Citations

Low Salinity Water–Polymer Flooding in Carbonate Oil Reservoirs: A Critical Review

Nascimento

Pereira

Bastos

et al. 2023

Macro Reaction Engineering

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show abstract

“…Despite the extensive literature on intra-dense intervals and K v /K h for explaining these phenomena, the effect of capillary forces is often underestimated, particularly in numerical simulations where reliable experimental data is lacking (Feng D et al, 2018;Pandey V K et al, 2023;Fabbri C et al, 2021). Given that most carbonate reservoirs are of mixed or oil-wet nature, detailed research on the impact of Frontiers in Energy Research frontiersin.org negative capillary forces is crucial (Arif M et al, 2020;Nowrouzi I et al, 2020;Faramarzi-Palangar M et al, 2021;Feng D et al, 2021;Ekechukwu G K et al, 2021;Siyal A et al, 2021;Esfandyari H et al, 2021;AlZaabi A et al, 2023;Boampong L O et al, 2023;Siyal A et al, 2023;Samani M K et al, 2023). Current methods to improve water sweep efficiency involve wettability alteration through low salinity water flooding and optimizing perforation intervals (Vermolen, E et al, 2014;He, E et al, 2015;Xinmin, S et al, 2018;Lee, Y et al, 2019;Snosy M F et al, 2022;Feng D et al, 2022b;Khurshid, I et al, 2022;Tackie-Otoo, B N et al, 2022a;Souayeh, M et al, 2022;Nascimento, F P et al, 2023).…”

Section: Introductionmentioning

confidence: 99%

Research on water-out mode and differential perforation in thick carbonate reservoir

Junshuai,

Peiyuan,

Jian

et al. 2024

Front. Energy Res.

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The development of anti-rhythmic carbonate reservoirs in the Middle East often encounters challenges such as water hold-up and reverse coning during the water injection process, leading to premature water breakthrough and various water-out issues. The unclear understanding of these phenomena, attributed to strong reservoir heterogeneity, results in a relatively low recovery degree in water injection development. This paper investigates the mechanisms behind water hold-up and reverse coning phenomena, offering detailed solutions. Numerical models of the oil reservoirs were developed, and an extensive study of influencing factors, including reservoir types, Kv/Kh, water injection pressure differential, wettability, and perforation position, was conducted to unveil the underlying mechanisms. Key findings indicate that the water hold-up phenomenon is influenced by capillary force barriers due to wettability and high-perm streaks, while the reverse coning phenomenon depends on the combined forces of gravity, capillary force and downward production differential among which downward production differential is the dominant factor compared to capillary force and gravity. The study also proposes a differential perforation principle tailored to different water-out types to enhance vertical sweep efficiency. The differential perforation principle is as follows: the optimal perforation position is at top layer and the optimal perforation length approximately accounts for 1/4 of the total oil layer thickness for water-out in bottom; the avoidance perforation height in top accounts for 1/6 of the total oil layer thickness and the optimal perforation length approximately accounts for 1/2 of the total oil layer thickness for water-out in top; the avoidance perforation height in top and bottom accounts for 1/5 and 2/5 of the total oil layer thickness respectively for water-out in both top and bottom.

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A critical review on low salinity waterflooding for enhanced oil recovery: Experimental studies, simulations, and field applications

Mwakipunda

Jia

Mgimba

et al. 2023

Geoenergy Science and Engineering

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Modelling of carbonate rock wettability based on surface charge and calcite dissolution

Cited by 7 publications

References 115 publications

Low Salinity Water–Polymer Flooding in Carbonate Oil Reservoirs: A Critical Review

Low Salinity Water–Polymer Flooding in Carbonate Oil Reservoirs: A Critical Review

Research on water-out mode and differential perforation in thick carbonate reservoir

A critical review on low salinity waterflooding for enhanced oil recovery: Experimental studies, simulations, and field applications

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