High-quality foam fracturing fluid and preparation method and application thereof
A foam fracturing fluid, high-quality technology, applied in chemical instruments and methods, drilling compositions, etc., can solve the problems of uneven foam size, short foam stabilization time, low foam rate, etc., and achieve excellent stability properties, good shear stability
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Embodiment 1
[0037] Embodiment 1: High-quality foam fracturing fluid and its preparation method
[0038] Raw material components and dosage: 98.6g of pure water, 0.118g of hydroxypropyl guar gum, 0.099g of polymer anionic polyacrylamide, 0.394g of disodium edetate, 1.183g of dodecyl phosphate and fatty alcohol poly Sodium oxyethylene ether sulfate 0.986g.
[0039] The preparation method is as follows:
[0040] S1. Add 98.6g of pure water into a 200ml container, slowly add 0.118g of hydroxypropyl guanidine into the pure water, and stir with a frequency conversion high-speed mixer at a speed of 1000r / min to avoid cementation of hydroxypropyl guanidine and finally form hydroxypropyl guanidine Base guar gum solution, spare;
[0041] S2. Add 0.099g high-molecular anionic polyacrylamide to the hydroxypropyl guanidine gum solution prepared in step S1, and stir with a frequency conversion high-speed mixer at a speed of 1000r / min to completely dissolve the high-molecular anionic polyacrylamide in t...
Embodiment 2
[0044] Embodiment 2: High-quality foam fracturing fluid and its preparation method
[0045] Raw material components and dosage: 109.3g of pure water, 0.164g of hydroxypropyl methylcellulose, 0.219g of polymer anionic polyacrylamide, 1.093g of disodium edetate, 1.749g of dodecyl phosphate and fat Sodium alcohol polyoxyethylene ether sulfate 1.312g.
[0046] The preparation method is as follows:
[0047] S1. Add 109.3g of pure water into a 200ml container, slowly add 0.164g of hydroxypropyl methylcellulose into the pure water, and stir with a frequency conversion high-speed mixer at a speed of 1000r / min to avoid hydroxypropylguanidine cementation and eventually form Hydroxypropyl guar gum solution, spare;
[0048] S2. Add 0.2199g polymer anionic polyacrylamide to the hydroxypropyl guanidine gum solution prepared in step S1, and stir with a frequency conversion high-speed mixer at a speed of 1000r / min to completely dissolve the polymer anion polyacrylamide in the hydroxypropyl ...
Embodiment 3
[0051] Embodiment 3: High-quality foam fracturing fluid and its preparation method
[0052] Raw material components and dosage: 126.8g of pure water, 0.228g of hydroxypropyl guar gum, 0.317g of polymer anionic polyacrylamide, 1.775g of disodium edetate, 2.536g of sodium alkylbenzene sulfonate and fatty alcohol polyacrylamide Sodium oxyethylene ether sulfate 2.029g.
[0053] The preparation method is as follows:
[0054] S1. Add 126.8g of pure water into a 200ml container, slowly add 0.228g of hydroxypropyl guanidine into the pure water, and stir with a frequency conversion high-speed mixer at a speed of 1000r / min to avoid the hydroxypropyl guanidine cementation and finally form hydroxypropyl guanidine Base guar gum solution, spare;
[0055] S2. Add 0.317g polymeric anionic polyacrylamide to the hydroxypropyl guanidine gel solution prepared in step S1, and stir with a frequency conversion high-speed mixer at a rate of 1000r / min to completely dissolve the polymeric anionic pol...
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