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    • 2. 发明申请
    • METHODS FOR USING IMPROVED UREA HYDROCHLORIDE COMPOSITIONS
    • 使用改进的尿素氯化物组合物的方法
    • WO2015103252A1
    • 2015-07-09
    • PCT/US2014/072733
    • 2014-12-30
    • GREEN PRODUCTS & TECHNOLOGIES, L.L.C.
    • MACDONALD, John T.
    • B01D41/04
    • B01D41/04C09K8/528C09K8/68C09K8/74C11D1/72C11D3/042C11D3/2006C11D3/2072C11D3/323C11D11/0041C23F11/04C23G1/06C23G1/08
    • A composition including HCl, urea, complex substituted keto-aminehydrochloride, an alcohol, an ethoxylate, and a ketone is provided in a method for solubilizing calcium carbonate in an aqueous suspension or dispersion of calcium carbonate. The application provides a method for pickling treatments, electronic submersible pump treatments (ESPs), hydraulic fracturing, perforation cleaning and debris removal, toe preparation treatments that replace the use of acetic acid blends, cement squeeze treatments, injection well treatments, disposal well treatments, pH adjustment of recycled frac water and/or flow-back fluids, pH adjustment fluid to assist with the hydration of gelled based systems, breaking gelled fracturing systems to replace the use of dangerous oxidizing agents, using a fluid to unstick a drilling rig, acid fracture, spearhead acid squeeze soaking, and filter cake removal.
    • 在碳酸钙的水悬浮液或分散体中溶解碳酸钙的方法中提供了包含HCl,脲,络合物取代的酮 - 胺盐酸盐,醇,乙氧基化物和酮的组合物。 该应用提供了一种酸洗处理方法,电子潜水泵处理(ESP),水力压裂,穿孔清洁和碎屑清除,替代乙酸混合物的使用,水泥挤压处理,注射井处理,处理井处理的脚趾处理, 循环压裂水和/或回流流体的pH调节,pH调节流体,以帮助凝胶化系统的水化,破坏胶凝的压裂系统以替代使用危险的氧化剂,使用流体来拆卸钻机,酸 断裂,矛头酸挤压浸泡,滤饼去除。