Novel nanometer silica desorption reagent reducing the damage of hydroxypropyl guar gum to sandstone reservoir

Shi, Peng; Wang, Shibin; Ouyang, Chuying; Yang, Nanpeng; Li, Junlong

doi:10.1016/j.petrol.2022.110838

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Hydraulic Fracturing Gels1

Guar-based Gels1

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2023

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Section: Hydraulic Fracturing Gelsmentioning

confidence: 99%

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Application of Hydrogels and Hydrocarbon-Based Gels in Oil Production Processes and Well Drilling

Telin,

Lenchenkova,

Yakubov

et al. 2023

Gels

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The use of gels in oil production processes has become a regular practice in oilfield operations and is constantly developing in all oil-producing countries of the world, as evidenced by the growth of publications and patent activity on this topic. Many oil production processes, such as hydraulic fracturing, conformance control, water, and gas shutoff, cannot be imagined without the use of gel technologies. Inorganic, organic, and hybrid gels are used, as well as foams, gel-forming, and gel-dispersed systems. The possibility of a broad control of structural and mechanical properties, thermal stability, and shear resistance by introducing microscale and nanoscale additives made hydrogels and hydrocarbon-based gels indispensable tools for oil engineers.

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Section: Hydraulic Fracturing Gelsmentioning

confidence: 99%

“…According to the researchers, a strong adsorption of polymer molecules also contributes to a decrease in permeability. It is proposed to reduce it by introducing various nanoparticles into the gel structure [47][48][49]. Currently, enzyme destructors are often used, which undergo enzymatic cleavage of polysaccharide molecules [44].…”

Section: Guar-based Gelsmentioning

confidence: 99%