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ZIRCONIUM-BASED CROSS-LINKER COMPOSITIONS AND THEIR USE IN HIGH PH OIL FIELD APPLICATIONS
ZIRCONIUM-BASED CROSS-LINKER COMPOSITIONS AND THEIR USE IN HIGH PH OIL FIELD APPLICATIONS
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机译:锆基交联剂组成及其在高油田应用中的应用
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摘要
A cross-linking composition which comprises (a) an aqueous liquid, (b) a cross-linkable organic polymer, and (c) a solution comprising a zirconium cross-linking agent which comprises a zirconium complex haying a molar ratio of 1:2 to 1:4 of zirconium to triethanolamine and a molar ratio of 1:0.1 to 1:1 of zirconium to N,N,N,N -tetrakis-(2-hydroxypropyl)-ethylene diamine. The composition can be used in oil field applications for hydraulic fracturing and plugging of permeable zones and leaks in subterranean formations.
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