Method for preparing cleaning agent for eliminating downhole polymer micelle
A cleaning agent, polymer technology, applied in drilling compositions, chemical instruments and methods, cleaning utensils and other directions, can solve the problems of polluting the environment, difficult to remove, unsafe, etc., achieving simple preparation process, safe and environmentally friendly use, Good thermal stability
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Embodiment 1
[0023] (1) Preparation of oleyl alcohol mixture: Add gasoline: 640g, diesel oil: 100g, n-butanol: 130g, octanol: 80g, AEO-3: 20g, Twee-20: 30g into the reactor, stir to dissolve , to obtain oleyl alcohol mixture;
[0024] (2) Preparation of Emulsion A: In a high-speed disperser, add water: 630g, oleyl-alcohol mixture described in step (1): 370g, stir for 1.5 hours at a speed of 1500 rpm, and then increase the speed to 2600 rev / min, react for 40min, leave overnight to obtain A emulsion;
[0025] (3) Preparation of liquid B: into the reactor, add water: 780g, water-soluble ammonium polyphosphate: 100g, ammonium chloride: 80g, triisopropanolamine: 40g, stir and dissolve to obtain liquid B;
[0026] (4) Preparation of liquid C: Into the reactor, add water: 750g, maleic acid: 80g, ethylenediamine: 40g, control the temperature at 65±2°C, stir, react for 60min, cool to room temperature, and then add Potassium chloride: 100g, stirred and dissolved, terephthalaldehyde: 30g, stirred a...
Embodiment 2
[0029] (1) Preparation of oleyl-alcohol mixture: add separately to the reactor, gasoline: 62kg, diesel: 12kg, n-butanol: 15kg, octanol: 6kg, AEO-3: 1.5kg, Twee-20: 2.5kg, Stir and dissolve to obtain an oleyl-alcohol mixture;
[0030] (2) Preparation of emulsion A: In a high-speed disperser, add water: 65kg, oleyl-alcohol mixture described in step (1): 35kg, stir for 1.5 hours at a speed of 1500 rpm, and then increase the speed to 2600 rev / min, react for 40min, leave overnight to obtain A emulsion;
[0031] (3) Preparation of liquid B: into the reactor, add water: 76kg, water-soluble ammonium polyphosphate: 12kg, ammonium chloride: 6kg, triisopropanolamine: 6kg, stir and dissolve to obtain liquid B;
[0032] (4) Preparation of liquid C: Into the reactor, add water: 72kg, maleic acid: 6kg, ethylenediamine: 6kg, control the temperature at 65±2°C, stir, react for 60min, cool to room temperature, and then add Potassium chloride: 12kg, stirred and dissolved, terephthalaldehyde: 4k...
Embodiment 3
[0035] (1) Preparation of oleyl alcohol mixture: Add gasoline: 630g, diesel oil: 80g, n-butanol: 120g, octanol: 100g, AEO-3: 25g, Twee-20: 40g into the reactor, stir to dissolve , to obtain oleyl alcohol mixture;
[0036] (2) Preparation of Emulsion A: In a high-speed disperser, add water: 620g, oleyl-alcohol mixture described in step (1): 380g, stir for 1.5 hours at a speed of 1500 rpm, and then increase the speed to 2600 rev / min, react for 40min, leave overnight to obtain A emulsion;
[0037] (3) Preparation of liquid B: into the reactor, add water: 800g, water-soluble ammonium polyphosphate: 80g, ammonium chloride: 70g, triisopropanolamine: 50g, stir and dissolve to obtain liquid B;
[0038] (4) Preparation of liquid C: into the reactor, add water: 780g, maleic acid: 70g, ethylenediamine: 30g, control the temperature at 65±2°C, stir, react for 60min, cool to room temperature, and then add Potassium chloride: 80g, stirred and dissolved, terephthalaldehyde: 50g, stirred and...
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