Preparation of novel environment-friendly efficient gas hydrate inhibitor and application thereof
A gas hydrate and inhibitor technology, which is applied in drilling composition, gas/liquid distribution and storage, mechanical equipment, etc., to achieve the effects of inhibiting nucleation, low toxicity, and good adsorption performance
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Embodiment 1
[0036]The preparation of the new environment-friendly and high-efficiency gas hydrate inhibitor of this embodiment, the novel environment-friendly and high-efficiency gas hydrate inhibitor contains 2-vinylpyridine-N-vinyl-2-pyrrolidone copolymer with a mass concentration of 0.6%, A nonionic surfactant with a mass concentration of 1.8%, glycol ethers with a mass concentration of 4.1%, water-soluble monomers with a mass concentration of 2.4%, and the rest are deionized water;
[0037] And the preparation of the above-mentioned novel environment-friendly and high-efficiency gas hydrate inhibitor includes the following steps:
[0038] (a) Oil phase preparation: Add 2-vinylpyridine-N-vinyl-2-pyrrolidone copolymer and nonionic surfactant to glycol ethers respectively, and stir at room temperature at a speed of 900r / min 30min, to obtain the oil phase;
[0039] (b) Preparation of water phase: Add water-soluble monomers into deionized water, stir evenly to make a solution, and obtain ...
Embodiment 2
[0049] The preparation of the new environment-friendly and high-efficiency gas hydrate inhibitor of this embodiment, the novel environment-friendly and high-efficiency gas hydrate inhibitor contains 2-vinylpyridine-N-vinyl-2-pyrrolidone copolymer with a mass concentration of 1.0%, A nonionic surfactant with a mass concentration of 3.4%, glycol ethers with a mass concentration of 5.8%, water-soluble monomers with a mass concentration of 4.2%, and the rest are deionized water;
[0050] And the preparation of the above-mentioned novel environment-friendly and high-efficiency gas hydrate inhibitor includes the following steps:
[0051] (a) Oil phase preparation: Add 2-vinylpyridine-N-vinyl-2-pyrrolidone copolymer and nonionic surfactant to glycol ethers respectively, and stir at room temperature at a speed of 1300r / min 50min, to obtain the oil phase;
[0052] (b) Preparation of water phase: Add water-soluble monomers into deionized water, stir evenly to make a solution, and obtai...
Embodiment 3
[0062] The preparation of the new environment-friendly and high-efficiency gas hydrate inhibitor of this embodiment, the novel environment-friendly and high-efficiency gas hydrate inhibitor contains 2-vinylpyridine-N-vinyl-2-pyrrolidone copolymer with a mass concentration of 0.8%, A nonionic surfactant with a mass concentration of 2.6%, glycol ethers with a mass concentration of 4.9%, water-soluble monomers with a mass concentration of 3.3%, and the rest are deionized water;
[0063] And the preparation of the above-mentioned novel environment-friendly and high-efficiency gas hydrate inhibitor includes the following steps:
[0064] (a) Oil phase preparation: Add 2-vinylpyridine-N-vinyl-2-pyrrolidone copolymer and nonionic surfactant to glycol ethers respectively, and stir at room temperature at a speed of 1100r / min 40min, to obtain the oil phase;
[0065] (b) Preparation of water phase: Add water-soluble monomers into deionized water, stir evenly to make a solution, and obtai...
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