Self-crosslinking high-sand-carrying cleaning quick water and preparation method thereof
A slick water and self-crosslinking technology, which is applied in the direction of chemical instruments and methods, drilling compositions, etc., can solve the problems of poor sand-carrying effect and achieve good sand-carrying effect, good effect and excellent sand-carrying performance
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Embodiment 1
[0025] Take the preparation of 200 grams of drag reducer as an example, which is used to prepare self-crosslinking high sand-carrying clean slippery water.
[0026] To prepare the drag reducer, the steps are as follows:
[0027] Step 1. Prepare the external phase solution: mix 30 grams of polylactide, 30 grams of propylene glycol ether acetate and 4 grams of zirconium lactate, and stir evenly to obtain the external phase solution;
[0028] Step 2. Prepare the internal phase solution: mix 80 grams of water, 40 grams of 2-acrylamido-2-methylpropanesulfonic acid and 14 grams of diethylbutylamine, and stir evenly to obtain the internal phase solution, which is set aside;
[0029] Step 3. Pour the external phase solution into a 250mL three-necked flask, place the three-necked flask in a constant temperature water bath at 30°C, and keep stirring; then slowly drop the internal phase solution into the external phase solution, make it fully mixed, and prepare the base After stirring f...
Embodiment 2
[0032] The preparation method of the above-mentioned self-crosslinking high sand-carrying clean slippery water comprises the following steps:
[0033] Step 1. Prepare the external phase solution: mix 150 grams of glycolide-lactide copolymer, 100 grams of propylene glycol methyl ether acetate and 19.5 grams of bistriethanolamine bisisopropyl zirconate, and stir evenly to obtain the external phase solution;
[0034] Step 2. Prepare the internal phase solution: mix 300 grams of water, 100 grams of 2-acrylamido-2-methylpropanesulfonic acid and 40 grams of triethylamine, and stir evenly to obtain the internal phase solution, which is set aside;
[0035] Step 3. Pour the external phase solution into the reaction container, place the reaction container in a constant temperature water bath at 40°C, and keep stirring; then slowly drop the internal phase solution into the external phase solution, make it fully mixed, and make a base liquid , stirring with nitrogen at high speed to remov...
Embodiment 3
[0038] The preparation method of the above-mentioned self-crosslinking high sand-carrying clean slippery water comprises the following steps:
[0039] Step 1. Prepare the external phase solution: mix 100 grams of polycaprolactone, 150 grams of propylene glycol butyl ether acetate and 19.5 grams of bisisopropylammonium zirconate double lactate, and stir evenly to obtain the external phase solution;
[0040] Step 2. Prepare the internal phase solution: mix 450 grams of water, 200 grams of 2-acrylamido-2-methylpropanesulfonic acid and 80 grams of diethyloctylamine, and stir evenly to obtain the internal phase solution, which is set aside;
[0041] Step 3. Pour the external phase solution into the reaction container, place the reaction container in a constant temperature water bath at 40°C, and keep stirring; then slowly drop the internal phase solution into the external phase solution, make it fully mixed, and make a base liquid , stirring with nitrogen at high speed to remove ox...
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