Adsorption Study of Novel Gemini Cationic Surfactant in Carbonate Reservoir Cores-Influence of Critical Parameters

Surfactant flooding is an enhanced oil recovery method that recovers residual and capillary trapped oil by improving pore-scale displacement efficiency. Low retention of injected chemicals is desired to ensure an economic and cost-effective recovery process. This paper examines the adsorption behavi...

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Published inMaterials Vol. 15; no. 7; p. 2527
Main Authors Khan, Sarmad, Gbadamosi, Afeez, Norrman, Kion, Zhou, Xianmin, Hussain, Syed Muhammad Shakil, Patil, Shirish, Kamal, Muhammad Shahzad
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 30.03.2022
MDPI
Subjects
Adsorption
Biodegradation
carbonate
Cations
Chromatography
Enhanced oil recovery
Experiments
Flooding
Flow velocity
gemini
High performance liquid chromatography
High temperature
Limestone
Parameters
Salinity
Stone
surfactant
Surfactants
Indiana
United States > US
gemini
adsorption
carbonate
enhanced oil recovery
surfactant
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Summary:Surfactant flooding is an enhanced oil recovery method that recovers residual and capillary trapped oil by improving pore-scale displacement efficiency. Low retention of injected chemicals is desired to ensure an economic and cost-effective recovery process. This paper examines the adsorption behavior of a novel gemini cationic surfactant on carbonate cores. The rock cores were characterized using an X-ray diffraction (XRD) spectroscope. In addition, the influence of critical parameters on the dynamic adsorption of the cationic gemini surfactant was studied by injecting the surfactant solution through carbonate cores in a core flooding apparatus until an equilibrium state was achieved. The concentration of surfactant was observed using high performance liquid chromatography. Experimental results showed that an increasing surfactant concentration causes higher retention of the surfactant. Moreover, increasing the flow rate to 0.2 mL/min results in lowering the surfactant retention percentage to 17%. At typical high salinity and high temperature conditions, the cationic gemini surfactant demonstrated low retention (0.42 mg/g-rock) on an Indiana limestone core. This study extends the frontier of knowledge in gemini surfactant applications for enhanced oil recovery.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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content type line 23
ISSN:1996-1944
1996-1944
DOI:10.3390/ma15072527