Filtration reducing agent for drilling fluid and preparation method thereof
A fluid loss reducing agent and drilling fluid technology, applied in chemical instruments and methods, drilling compositions, etc., can solve the problems of poor fluid loss reduction effect and limited fluid loss reduction effect, and achieve good fluid loss effect, enhanced fluid loss, etc. Filtration reduction performance, the effect of good filtration reduction effect
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Embodiment 1
[0018] A fluid loss reducer for drilling fluid, comprising: 200 parts by weight of components: 200 parts of phenol, 50 parts of sodium chloroacetate, 50 parts of epichlorohydrin, 380 parts of formaldehyde, 80 parts of sodium metabisulfite, 80 parts of anhydrous sodium sulfate, hydrogen 65 parts of sodium oxide, 60 parts of trimethylamine, 36 parts of sodium 2-chloroethanesulfonate, 25 parts of carboxymethyl cellulose, 30 parts of acrylic amine, 28 parts of vinyl acetate, dimethyl diallyl ammonium chloride 30 parts, 800 parts of water.
[0019] The preparation method of the above-mentioned drilling fluid fluid loss reducer, the preparation steps are as follows:
[0020] Step 1, taking each component according to parts by weight;
[0021] Step 2, dissolve sodium hydroxide in 200 parts of water, raise the temperature to 70°C, add phenol, stir and react at 70 rpm for 40 minutes, then add sodium chloroacetate, continue to stir and react for 80 minutes, then cool down to 30°C, add ...
Embodiment 2
[0025] A fluid loss reducer for drilling fluid, comprising: 230 parts by weight of components: 230 parts of phenol, 54 parts of sodium chloroacetate, 52 parts of epichlorohydrin, 390 parts of formaldehyde, 88 parts of sodium metabisulfite, 82 parts of anhydrous sodium sulfate, hydrogen 68 parts of sodium oxide, 64 parts of trimethylamine, 37 parts of sodium 2-chloroethanesulfonate, 28 parts of carboxymethyl cellulose, 32 parts of acrylic acid amine, 30 parts of vinyl acetate, dimethyl diallyl ammonium chloride 32 parts, 860 parts of water.
[0026] The preparation method of the above-mentioned drilling fluid fluid loss reducer, the preparation steps are as follows:
[0027] Step 1, taking each component according to parts by weight;
[0028] Step 2, dissolve sodium hydroxide in 210 parts of water, raise the temperature to 72°C, add phenol, stir and react at 72 rpm for 50 minutes, then add sodium chloroacetate, continue to stir and react for 85 minutes, then cool down to 36°C,...
Embodiment 3
[0032] A fluid loss reducer for drilling fluid, comprising: 236 parts by weight of components: 236 parts of phenol, 57 parts of sodium chloroacetate, 53 parts of epichlorohydrin, 398 parts of formaldehyde, 92 parts of sodium metabisulfite, 85 parts of anhydrous sodium sulfate, hydrogen 70 parts of sodium oxide, 65 parts of trimethylamine, 38 parts of sodium 2-chloroethanesulfonate, 30 parts of carboxymethyl cellulose, 33 parts of acrylic acid amine, 32 parts of vinyl acetate, dimethyl diallyl ammonium chloride 33 parts, 880 parts of water.
[0033] The preparation method of the above-mentioned drilling fluid fluid loss reducer, the preparation steps are as follows:
[0034] Step 1, taking each component according to parts by weight;
[0035] Step 2, dissolve sodium hydroxide in 220 parts of water, raise the temperature to 75°C, add phenol, stir and react at 75 rpm for 50 minutes, then add sodium chloroacetate, continue to stir and react for 90 minutes, then cool down to 35°C,...
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