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SMAS-based scale inhibitors possess superior thermal stability and high-salinity resistance. They avoid thermal hydrolysis failure of common phosphonates, contain no…
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The sulfonic acid groups in SMAS molecules strongly adsorb to the growth sites of scale crystals and induce lattice distortion,…
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SMAS copolymers do not form insoluble precipitates with Ca²⁺ and Mg²⁺, avoiding the massive calcium‑magnesium sludge generated in the lime…
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Conventional cationic flocculants easily lose efficacy under ultra-high salinity: inorganic ions shield surface charge, cause molecular chain curling and weaken…
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SMAS-modified flocculants achieve higher oil and turbidity removal efficiency than ordinary polyacrylamide for the following reasons:
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Part One: Water Treatment Q1: Why does a flocculant modified with sodium methallyl sulfonate achieve higher oil removal and turbidity…
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Calcium bromide brine effectively restrains clay and shale hydration, swelling and particle migration for the following reasons:
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In high‑pressure well completion operations, calcium bromide brine is widely preferred over traditional weighted drilling fluids for the following reasons:
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Sodium Methallyl Sulfonate (SMAS) copolymer possesses unique molecular structure and interfacial activity. When compounded with anionic and nonionic surfactants, it…
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In alkali-surfactant-polymer (ASP) combined flooding, conventional HPAM is susceptible to severe degradation under strong alkaline conditions, including amide group hydrolysis,…
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Professional Answer: In tertiary oil recovery (enhanced oil recovery, EOR), the long-term viscosity stability of polymer solutions is critical for…
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Professional English Translation: In the mid-to-late stages of polymer flooding, conventional polymer solutions tend to channel through high-permeability layers or…
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In high‑pressure well completion operations, calcium bromide brine is widely preferred over traditional weighted drilling fluids for the following reasons: