Effects of supercritical CO2 injection on sandstone wettability and capillary trapping

Valle, L.M.; Rodríguez, Ricardo Zamora; Grima, C.; Martínez, Carol

doi:10.1016/j.ijggc.2018.09.005

Cited by 23 publications

(11 citation statements)

References 54 publications

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“…Previous work in this laboratory has also conducted non-Darcy flooding tests using supercritical CO 2 (hereafter scCO 2 ), confirming the permeability dependence of both the fluid and the rock properties (Choi et al, 2017). Experimental studies of core flooding using CO 2 have been undertaken to aid efforts to develop geological storage of CO 2 , although these were not non-Darcy flow tests (Al-Zaidi et al, 2018;Krevor et al, 2012;Valle et al, 2018;Wang et al, 2014). These studies focused mainly on relative permeability because of its influence on injection rate and migration of CO 2 during brine formation or enhanced oil recovery.…”

Section: Introductionmentioning

confidence: 71%

Estimation of the Non‐Darcy Coefficient Using Supercritical CO₂ and Various Sandstones

Choi

Song

2019

JGR Solid Earth

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Non-Darcy flow (also known as high-velocity flow, inertial flow, etc.) often occurs in the near-well region of a reservoir during injection or production. This flow needs to be characterized and its origins fully understood, as it is a critical factor in reducing well productivity. The Forchheimer equation, which describes fluid flow considering an inertial effect, can be adopted to analyze non-Darcy flow. In particular, the non-Darcy coefficient in the equation represents inertial resistance in a porous medium and is an empirical value that depends on the pore geometry and fluid properties. This study, as part of research on geological CO 2 storage, reports non-Darcy flow tests with a high flow rate and examines the non-Darcy coefficient by using supercritical CO 2 and various sandstones. The dependence of the coefficient on the properties of the supercritical CO 2 was also assessed in a series of non-Darcy tests under different pore pressures. The coefficient varied with the properties of the supercritical CO 2 and sandstone. As the permeability of sandstone increased, the non-Darcy coefficient decreased nonlinearly and converged to a value. The results also indicate that the coefficient is reduced with a decreasing ratio of density to viscosity for the supercritical CO 2 . An equation predicting the coefficient was derived, having the advantage that both the hydraulic properties of rock and the fluid properties can be considered simultaneously in a dimensionally correct analysis.

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Section: Introductionmentioning

confidence: 71%

Estimation of the Non‐Darcy Coefficient Using Supercritical CO₂ and Various Sandstones

Choi

Song

2019

JGR Solid Earth

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“…For the study of the trap mechanisms and the technical feasibility of CO 2 injection in a deep geological storage, a test equipment, ATAP (High Temperature-High Pressure), has been designed with the capacity to reproduce the actual storage conditions of up to 120ºC and 500 bar. Through its dynamic configuration, studies have been made of physical CO 2 trap mechanisms developed in sandstone aquifers [12], phenomena of degradation in cements for the completion of injection wells [13] and improvement of injectivity in the storage [14]. For the analysis of the long-term CO 2 seal carried out in this work, it has been necessary to develop a static configuration of the ATAP device (Fig.…”

Section: -Materials and Methodsmentioning

confidence: 99%

EXPERIMENTAL DEVICE TO EVALUATE MINERAL TRAPPING IN SANDSTONES AS A MEANS OF SUPERCRITICAL CO2 (scCO2) STORAGE

Valle

Olmedo

Pons

et al. 2019

DYNAII

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Carbon dioxide is the main Greenhouse Gas (GHG) due to its abundance in the atmosphere. CO2 capture and storage (CCS) technologies contribute to mitigate the effects of climate change by reducing their emissions. This requires appropriate geological environments such as deep saline aquifers with great potential on an industrial scale in Spain. They must have appropriate characteristics to ensure the tightness of CO2 and the technical viability of the injection process. The capacity of the storage is conditioned by the trap mechanisms that take place in depth. In this work, the static configuration of the ATAP (High Temperature-High Pressure) test device has been developed to reproduce the mineralization trap mechanism or mineral sequestration by applying it to a sandstone aquifer for supercritical CO2 storage (SCCO2). The equipment allows to observe the changes produced in a rock sample after it has been saturated with the fluids existing in the store (brine and SCCO2), under the pressure and temperature conditions characteristic of storage (up to 120ºC and 500 bar). To verify these changes, the technique of computed axial tomography and He pycnometry were used. The variations of porosity produced in the storage rock are compared with those obtained in studies of SCCO2 saturation by injection and in reactor carried out by other authors. Keywords: Mineral trapping, deep saline aquifer, sandstone storage, supercritical CO2, high pressure and temperature equipment

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“…During the CO 2 sequestration, the saturated brine dissolves the intergranular cement, producing a detachment and entrainment of fines in the direction of flow, by injection or by the interfacial tension acting on the particles at the CO 2 -brine interface (Othman et al, 2018b). The interfacial tension that is a function of wettability is determined both by the mineralogy of the storage (Zhang, X. et al, 2020) and by the state (gas, liquid or supercritical) in which the CO 2 is injected (Peysson et al, 2014;Valle et al, 2018;Yang et al, 2005).…”

Section: Introductionmentioning

confidence: 99%

Effect of scCO2-brine mixture on injectivity and storage capacity in rock samples of naturally fractured carbonate formations

Valle

Grima

Rodríguez

et al. 2020

Journal of Natural Gas Science and Engineering

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Effects of supercritical CO2 injection on sandstone wettability and capillary trapping

Cited by 23 publications

References 54 publications

Estimation of the Non‐Darcy Coefficient Using Supercritical CO₂ and Various Sandstones

Estimation of the Non‐Darcy Coefficient Using Supercritical CO₂ and Various Sandstones

EXPERIMENTAL DEVICE TO EVALUATE MINERAL TRAPPING IN SANDSTONES AS A MEANS OF SUPERCRITICAL CO2 (scCO2) STORAGE

Effect of scCO2-brine mixture on injectivity and storage capacity in rock samples of naturally fractured carbonate formations

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Effects of supercritical CO2 injection on sandstone wettability and capillary trapping

Cited by 23 publications

References 54 publications

Estimation of the Non‐Darcy Coefficient Using Supercritical CO2 and Various Sandstones

Estimation of the Non‐Darcy Coefficient Using Supercritical CO2 and Various Sandstones

EXPERIMENTAL DEVICE TO EVALUATE MINERAL TRAPPING IN SANDSTONES AS A MEANS OF SUPERCRITICAL CO2 (scCO2) STORAGE

Effect of scCO2-brine mixture on injectivity and storage capacity in rock samples of naturally fractured carbonate formations

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Estimation of the Non‐Darcy Coefficient Using Supercritical CO₂ and Various Sandstones

Estimation of the Non‐Darcy Coefficient Using Supercritical CO₂ and Various Sandstones