Camellia saponin type oilfield foaming agent and preparation method and application thereof
A technology of camellia oleifera saponin and foaming agent, which is applied in the direction of chemical instruments and methods, chemical recovery, drilling compositions, etc., and can solve groundwater, geological environment pollution, high price, temperature resistance, salt resistance, acid resistance and poor stability and other problems, to achieve the effect of long foam stabilization time, high foaming ratio, and avoiding damage
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[0051] Example 1:
[0052] (a) Add 300 kg of commercially available liquid natural plant-derived camellia saponins (based on solid content), 15 kg of coconut oil diethanolamine, 30 kg of amino ether alkyl glycosides, and lauryl betaine into a 1500L reactor. 15 kg, heated to a temperature of 60-70°C, stirred for 2 hours under normal pressure, and mixed uniformly to obtain a mixed solution.
[0053] (b) Add 3 kg of dodecyl dimethyl amine oxide to the mixture obtained in (a), heat to 70-80°C, stir for about 1 hour, and when the temperature is lowered to 40-50°C, add water dropwise until the measurement When the Baume degree reaches the requirement as the end point, about 1210 kg of natural green camellia saponin-type oil field foam with a solid content of 30% is obtained.
Example Embodiment
[0054] Example 2:
[0055] (a) Add 300 kg of commercially available liquid natural plant-derived camellia saponins (based on solid content), 3 kg of coconut oil diethanolamine, 30 kg of amino ether alkyl glycosides, and lauryl betaine into a 1500L reactor. 30 kg, heated to a temperature of 70-80°C, stirred under normal pressure for 2 hours, mixed uniformly to obtain a mixed solution.
[0056] (b) Add 1.5 kg of dodecyl dimethyl amine oxide to the mixture obtained in (a), heat to a temperature of 80-90°C, stir for about 1 hour, and when the temperature is lowered to 40-50°C, add water dropwise until the measurement When the Baumé degree reaches the requirement as the end point, about 1215 kg of natural green camellia saponin-type oil field foam with a solid content of 30% is obtained.
Example Embodiment
[0057] Example 3:
[0058] (a) Add 300 kg of commercially available liquid natural plant-derived camellia saponins (based on solid content), 30 kg of coconut oil diethanolamine, 3 kg of amino ether alkyl glycosides, and lauryl betaine into a 1500L reactor. 30 kg, heated to a temperature of 70-80°C, stirred under normal pressure for 2 hours, mixed uniformly to obtain a mixed solution.
[0059] (b) Add 6 kg of dodecyl dimethyl amine oxide to the mixture obtained in (a), heat to 90-100°C, stir for about 0.5 hours, and when the temperature is lowered to 50-60°C, add water dropwise until the measurement When the Baume degree reaches the requirement as the end point, about 1230 kg of natural green camellia saponin-type oil field foam with a solid content of 30% is obtained.
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