Compound acidifying corrosion inhibitor containing quinoline derivative and novel mannich base
A technology for acidifying corrosion inhibitors and Mannich bases, which is applied in the fields of organic chemistry, drilling compositions, chemical instruments and methods, etc. It can solve the problem that corrosion inhibitors are easy to coke, not stable enough, and have poor solubility and dispersibility. problems, to achieve the effect of wide range of use, good stability, and improvement of acidizing construction quality
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Embodiment 1
[0026] A quinoline derivative and novel Mannich base composite acidification corrosion inhibitor, including 12 parts by weight of corrosion inhibitor main agent A, 12 parts by weight of corrosion inhibitor main agent B, 0.5 parts by weight of heavy alkylbenzene sodium sulfonate, 3.0 parts by weight of propynyl alcohol, 0.5 parts by weight of potassium iodide, 1.0 parts by weight of cuprous chloride, 4.0 parts by weight of Pingpingjiao, 5.0 parts by weight of formic acid, 34.0 parts by weight of methanol, 23 parts by weight of PEG-400, 3.0 parts by weight of Acetaniline and 2.0 parts by weight of triethanolamine.
[0027] When in use, each component is weighed according to the above parts by weight and mixed evenly before being sent to the construction site for use or stored for later use.
Embodiment 2
[0029] A quinoline derivative and novel Mannich base composite acidification corrosion inhibitor, including 12 parts by weight of corrosion inhibitor main agent A, 12 parts by weight of corrosion inhibitor main agent B, 0.5 parts by weight of heavy alkylbenzene sodium sulfonate, 3.0 parts by weight of propynyl alcohol, 0.5 parts by weight of potassium iodide, 1.0 parts by weight of cuprous chloride, 4.0 parts by weight of Pingpingjiao, 5.0 parts by weight of formic acid, 34.0 parts by weight of methanol, 23 parts by weight of PEG-400, 3.0 parts by weight of Acetaniline and 2.0 parts by weight of triethanolamine.
[0030] When in use, each component is weighed according to the above parts by weight and mixed evenly before being sent to the construction site for use or stored for later use.
Embodiment 3
[0032] A quinoline derivative and novel Mannich base composite acidification corrosion inhibitor, including 12 parts by weight of corrosion inhibitor main agent A, 12 parts by weight of corrosion inhibitor main agent B, 0.5 parts by weight of heavy alkylbenzene sodium sulfonate, 3.0 parts by weight of propynyl alcohol, 0.5 parts by weight of potassium iodide, 1.0 parts by weight of cuprous chloride, 4.0 parts by weight of Pingpingjiao, 5.0 parts by weight of formic acid, 34.0 parts by weight of methanol, 23 parts by weight of PEG-400, 3.0 parts by weight of Acetaniline and 2.0 parts by weight of triethanolamine.
[0033] When in use, each component is weighed according to the above parts by weight and mixed evenly before being sent to the construction site for use or stored for later use.
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