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When calcium bromide (CaBr₂) is used as a component of high-density drilling fluid (density ≥1.7 g/cm³), blowout prevention and wellbore stabilization can…
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As a component of high-density drilling fluid (density can reach 1.7 g/cm³ or higher), how to prevent blowouts and stabilize…
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Calcium bromide (CaBr₂) has various applications in the petroleum industry but also faces several key challenges. The following aspects can…
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The sudden change in dispersion efficiency observed when combining Sodium Methallyl Sulfonate (SMAS) with certain ionic liquids (ILs) is a complex phenomenon driven by competing intermolecular…
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The interaction between the sulfonate group (–SO₃⁻) of Sodium Methallyl Sulfonate (SMAS) and carbonate rock surfaces (e.g., calcite, CaCO₃) involves both ionic and…
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1. Relationship Between SMAS Inhibition Mechanism and Classical DLVO Theory The DLVO theory (Derjaguin-Landau-Verwey-Overbeek) explains colloidal stability through the balance of van der…
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To precisely measure the adsorption dynamics of Sodium Methallyl Sulfonate (SMAS) on clay minerals (e.g., montmorillonite, kaolinite), a combination of real-time monitoring, surface-sensitive, and molecular-level…
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To improve the thermal resistance of Sodium Methallyl Sulfonate (SMAS, C₄H₇NaO₃S) beyond its typical degradation threshold (~220°C), strategic molecular modifications can be…
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The substitution of sodium (Na⁺) in Sodium Methallyl Sulfonate (SMAS, C₄H₇NaO₃S) with potassium (K⁺) or ammonium (NH₄⁺) cations alters its physicochemical properties, particularly solubility and polymerization reactivity. Below is a…
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The conventional industrial synthesis of Sodium Methallyl Sulfonate (SMAS, C₄H₇NaO₃S) relies on the nucleophilic addition of sodium bisulfite (NaHSO₃) to methallyl alcohol (MAOH). While effective,…
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The industrial production of Sodium Methallyl Sulfonate (SMAS, C₄H₇NaO₃S) primarily involves the nucleophilic addition of sodium bisulfite (NaHSO₃) to methallyl alcohol (MAOH, CH₂=C(CH₃)CH₂OH). However, this…
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Calcium bromide (CaBr₂) has several niche but important applications in agriculture, primarily leveraging its chemical properties as a source of…
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