A kind of foam system reinforced with graphene armor for oil and gas fields and preparation method thereof
A foam system, graphene technology, applied in chemical instruments and methods, drilling compositions, etc., can solve the problems of foam stabilizer having no surface activity, adsorption of formation porous media, no foaming ability, etc., and achieve the effect of increasing production. Good, weakening cracking, reducing the effect of fluid loss
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Embodiment 1-3
[0082] Embodiment 1-3, the foam system reinforced by graphene armor for oil and gas fields
[0083] The raw materials are gas phase, liquid phase and graphene oxide, and the specific components are as follows:
[0084] The gas phase is nitrogen.
[0085] The mass percent composition of liquid phase is as follows:
[0086] 0.3wt% blowing agent, 0.05wt% foaming aid, 0.45wt% adsorption aid, and the balance is water, wherein the blowing agent is di(2-ethylhexyl)sulfonate sodium succinate and fatty alcohol polyoxyethylene ether sodium sulfate in a mass ratio of 3:1; the foaming aid is lauryl alcohol; the adsorption aid is a mixture of camellia saponin and sodium bicarbonate, and the addition ratio is 4:1 ( quality).
[0087] Graphene oxide has a specific surface area of 300m 2 / g, the monolayer rate is 86%, the average thickness of the sheet is 3nm, the average diameter of the sheet is 7um, and the oxygen content is 30%; the added concentration of graphene oxide in the liquid...
Embodiment 4-6
[0102] Embodiment 4-6, the foam system reinforced by graphene armor for oil and gas fields
[0103] The raw materials are gas phase, liquid phase and graphene oxide, and the specific components are as follows:
[0104] The gas phase is carbon dioxide.
[0105] The mass percent composition of liquid phase is as follows:
[0106] 0.3wt% blowing agent, 0.05wt% foaming aid, 0.45wt% adsorption aid, and the balance is water, wherein the blowing agent is di(2-ethylhexyl)sulfosuccinic acid sodium and fatty alcohol polyoxyethylene ether sodium sulfate in a mass ratio of 3:1; the foaming aid is lauryl alcohol; the adsorption aid is a mixture of camellia saponin and sodium bicarbonate, and the addition ratio is 4:1 ( quality).
[0107] Graphene oxide has a specific surface area of 300m 2 / g, the monolayer rate is 86%, the average thickness of the sheet is 3nm, the average diameter of the sheet is 7um, and the oxygen content is 30%; the added concentration of graphene oxide in the l...
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