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HomeAutoResearchers discover carbon-nanotube-based fluids enhance enhanced oil restoration strategies Acquire US

Researchers discover carbon-nanotube-based fluids enhance enhanced oil restoration strategies Acquire US

Researchers in India are utilizing multi-wall carbon nanotube-optimized surfactant-polymer flooding for enhanced oil restoration. In an open-access paper within the journal Gasoline, they report that their experimental software of carbon nanotube-based fluids yielded an oil restoration issue of roughly 70% of the unique oil in place.

Pandey et al.


Major oil restoration extracts oil utilizing pure or synthetic elevate gadgets, bringing hydrocarbons to the floor. The first strategies have limitations in exploiting oil, as they deal with pay zones with good oil saturation. The standard restoration methodology can solely extract about 30 % of the oil reserves. Numerous enhanced oil restoration (EOR) approaches help in recovering the remaining oil after main strategies. The EOR procedures comprise thermal restoration, gasoline injection, and chemical injection.

… Within the current examine, a modified multi-wall carbon nanotube (mMWCNT) answer was subjected to floor/interfacial forces, contact angle, and lack of surfactant research. The impression of carbon nanotubes (mMWCNTs) on an SP answer’s ST/IFT and wettability is studied utilizing floor tensiometer and get in touch with angle experiments. These assessments set up the CMC [critical micelle concentration] of the surfactant and conclude the optimum focus of mMWCNT for enhancing oil restoration. The affect of the mMWCNT concentrations on the discount of surfactant loss on the sandstone floor within the SP answer was examined at varied concentrations. Reviewing prior research on the appliance of NPs in SP flooding reveals that the impression of mMWCNT is but to be studied, implying that no analysis studies the impact of mMWCNT on SP answer.

—Pandey et al.

The researchers discovered that the modified multi-wall carbon nanotubes considerably diminished floor and interfacial rigidity by roughly 59% and 56%, respectively, on the optimum focus.

The nanotubes additionally efficiently minimized surfactant loss by about 49.3%. The contact angle experiments demonstrated that the modified nanotubes reworked the rock floor from oil-wet to water-wet, as evidenced by a considerable discount of roughly 54% within the contact angle worth.

The core flooding experiment, using a chemical slug composed of SDS at CMC, modified multi-wall carbon nanotubes, and industrial-grade polymer, yielded an oil restoration issue of roughly 70% of the unique oil in place.

Assets

  • Anurag Pandey, Syed Feraz Qamar, Sumanta Das, Surita Basu, Himanshu Kesarwani, Amit Saxena, Shivanjali Sharma, Jayati Sarkar (2023) “Superior multi-wall carbon nanotube-optimized surfactant-polymer flooding for enhanced oil restoration,” Gasoline, Quantity 355, doi: 10.1016/j.fuel.2023.129463

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