Multifunctional drilling fluid additive and preparation method thereof
A drilling fluid treatment agent and active agent technology, which is applied to chemical instruments and methods, drilling compositions, etc., can solve the problems of increased maintenance and treatment difficulty, increased labor intensity of workers, complex drilling fluid components, etc. Product packaging, low cost, and the effect of eliminating air bubbles
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Embodiment 1
[0054] Add 759 parts of water to the reactor, heat to 40°C, add 60 parts of cationic fluorocarbon surfactant JSC2170T, and stir for 30 minutes; add 30 parts of triethanolamine and stir for 10 minutes; slowly add 150 parts of Span-20, and finish Then continue to stir for 60 minutes; lower the temperature to 30°C, add 1 part of tributyl phosphate, and stir for 10 minutes to discharge.
[0055] A variety of functional drilling fluid treatment agents prepared by the above method were taken to investigate their performance, and the results are shown in Table 1.
[0056] Table 1
[0057] Item
Embodiment 2
[0059] Add 679 parts of water to the reactor, heat to 50°C, add 80 parts of cationic fluorocarbon surfactant JSC2180T, and stir for 30 minutes; add 40 parts of triethanolamine and stir for 10 minutes; slowly add 200 parts of Span-60, and finish Then continue to stir for 90 minutes; lower the temperature to 30°C, add 1 part of n-octanol, and stir for 20 minutes to discharge.
[0060] A variety of functional drilling fluid treatment agents prepared by the above-mentioned method were used to investigate their performance. The results are shown in Table 2.
[0061] Table 2
[0062] Item
Embodiment 3
[0064] Add 633 parts of water to the reaction kettle, heat to 45°C, add 70 parts of cationic fluorocarbon surfactant AF4018-SJ, and stir for 30 minutes; add 45 parts of triethanolamine and stir for 10 minutes; slowly add 250 parts of Span-80, After the addition, continue to stir for 80 minutes; lower the temperature to 30°C, add 2 parts of polydimethylsiloxane, and stir for 15 minutes.
[0065] A variety of functional drilling fluid treatment agents prepared by the above-mentioned method were selected to investigate their performance. The results are shown in Table 3.
[0066] table 3
[0067] Item
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