Ultra-temperature organic zirconium crosslinker suitable for polymer crosslinking and prepared fracturing solutions of ultra-temperature organic zirconium crosslinker
A zirconium cross-linking agent and polymer technology, applied in the field of oil exploitation, can solve the problems of large formation damage and high content of glue breaking liquid residue, and achieve low damage, good sand-carrying performance and elasticity, and good temperature resistance and shear resistance. Effect
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Embodiment 1
[0030] This example provides an ultra-high temperature organic zirconium crosslinking agent suitable for polymer crosslinking and a fracturing fluid prepared therefrom.
[0031] The organic zirconium crosslinking agent provided in this example comprises the following raw materials: 300 g of water, 200 g of ethylene glycol, 70 g of zirconium oxychloride, 20 g of lactic acid, and 320 g of diethanolamine.
[0032] The organic zirconium crosslinking agent provided in this embodiment is prepared according to the following steps:
[0033] Add ethylene glycol into water at room temperature, stir and mix evenly with a stirrer, then heat up to 50°C;
[0034] Zirconium oxychloride was added under stirring conditions, and then reacted under stirring at 50°C for 3.5 hours;
[0035] Then add lactic acid and diethanolamine, and react under stirring at 50°C for 3 hours to prepare the ultra-high temperature organic zirconium crosslinking agent suitable for polymer crosslinking.
[0036] Thi...
Embodiment 2
[0043] This example provides an ultra-high temperature organic zirconium crosslinking agent suitable for polymer crosslinking and a fracturing fluid prepared therefrom.
[0044] The organic zirconium crosslinking agent provided in this example comprises the following raw materials: 300 g of water, 240 g of glycerol, 60 g of zirconium chloride, 30 g of lactic acid, and 300 g of isopropanolamine.
[0045] The organic zirconium crosslinking agent provided in this embodiment is prepared according to the following steps:
[0046] Add glycerol to water at room temperature, stir and mix evenly with a stirrer, then heat up to 55°C;
[0047] Zirconium chloride was added under stirring conditions, and then reacted under stirring at 55°C for 3.5 hours;
[0048] Then add lactic acid and isopropanolamine, react at 55° C. for 3 hours under stirring, and prepare the ultra-high temperature organic zirconium crosslinking agent suitable for polymer crosslinking.
[0049] This embodiment also ...
Embodiment 3
[0057] This example provides an ultra-high temperature organic zirconium crosslinking agent suitable for polymer crosslinking and a fracturing fluid prepared therefrom.
[0058] The organic zirconium crosslinking agent provided in this example comprises the following raw materials: 300 g of water, 260 g of n-butanol, 90 g of zirconium chloride, 20 g of acetic acid, and 320 g of triethanolamine.
[0059] The organic zirconium crosslinking agent provided in this embodiment is prepared according to the following steps:
[0060] Add n-butanol to water at room temperature, stir and mix evenly with a stirrer, then heat up to 60°C; add zirconium chloride under stirring conditions, and then react at 60°C for 4 hours; then add acetic acid and triethanolamine, at 60°C ℃ for 3 hours under stirring to prepare the ultra-high temperature organic zirconium crosslinking agent suitable for polymer crosslinking.
[0061] This embodiment also provides a polymer fracturing fluid, which includes ...
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Abstract
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