Tackifier for drilling fluid and preparation method thereof
A technology for tackifier and drilling fluid, which is applied in the field of synthesizing treatment agent for oilfield drilling fluid, can solve the problems of insignificant increase in shear force, adverse environmental impact, decreased viscosity increasing effect, etc. ability, the effect of reducing the filtration effect
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[0026] Example 1:
[0027] (1) Dissolve 100g of acrylamide, 30g of A12-acrylamido-2-methylpropanesulfonic acid and 10g of B1N-vinylpyrrolidone in 120g of clean water, and adjust the pH to 7 with sodium hydroxide;
[0028] (2) Dissolve 0.14g C1N and N-methylenebisacrylamide in 5g clean water;
[0029] (3) Dissolve 0.14 g of D1 isopropanol in 5 g of clean water, add the solution obtained in step (1) and step (2) into the reaction vessel, and raise the temperature to 30°C;
[0030] (4) Dissolve 0.93g of ammonium persulfate and 0.47g of sodium bisulfite in 5g of water;
[0031] (5) Add the initiator solution obtained in step (4) to the reaction vessel of step (3) in sequence, and polymerize for 30 minutes to obtain a thickener product with a solid content of 50%. The product is dried and crushed to obtain Tackifier APN-1 for drilling fluid, its structural formula is:
[0032]
[0033] Purify the tackifier product obtained from the reaction in Example 1, and use an infrared spectrometer to d...
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