A kind of online fracturing fluid and preparation method thereof
A fracturing fluid and solution technology, applied in the direction of chemical instruments and methods, drilling compositions, etc., can solve the problems of large time and cost, incomplete gel breaking, waste, etc., to achieve easy control and management, and reduce construction Equipment and the effect of reducing operating costs
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Embodiment 1
[0039] In this embodiment, an on-line fracturing fluid is composed of agent A and agent B, and its components are in mass fraction: 0.8 parts of agent A, 0.2 parts of agent B, and 99 parts of water.
[0040] The A agent, its components by mass fraction: 10 parts of chitin, 10 parts of starch, 5 parts of acrylamide, 2 parts of bioactive agent, 0.1 part of glucose, 0.1 part of sodium polyaspartate, diacetone alcohol (DAA ) 10 parts, 62.8 parts of water.
[0041] The preparation method of described A agent, realizes through the following steps:
[0042] First add 10 parts of chitin, 5 parts of acrylamide, 10 parts of starch and 62.8 parts of water into the reactor, stir for 10-25 minutes to dissolve, add 2 parts of rhamnolipid activator, 0.1 part of glucose, 0.1 part of sodium polyaspartate and 10 parts of diacetone alcohol (DAA) were emulsified, stirred for 10-20 minutes, and after the solution was uniform, 0.02 parts of initiator was added dropwise under the protection of nitr...
Embodiment 2
[0051] In this embodiment, an on-line fracturing fluid is composed of agent A and agent B, and its components are in terms of mass fraction: 2 parts of agent A, 0.5 parts of agent B, and 97.5 parts of water.
[0052] The A agent, its components by mass fraction: 15 parts of chitin, 15 parts of starch, 10 parts of acrylamide, 3 parts of trehalose ester active agent, 0.5 part of monosaccharide, 0.3 part of sodium polyaspartate, dearomatized hydrocarbon 15 parts of mineral spirits, 41.2 parts of water.
[0053] The preparation method of described A agent, realizes through the following steps:
[0054] First add 15 parts of chitin, 10 parts of acrylamide, 15 parts of starch and 41.2 parts of water into the reactor, stir for 10-25 minutes to dissolve them, and add 3 parts of trehalose ester active agent, 0.5 parts of monosaccharide, poly Emulsify with 0.3 parts of sodium aspartate and 15 parts of dearomatized solvent oil, and stir for 10-20 minutes. After the solution is uniform, ...
Embodiment 3
[0063] In this embodiment, an on-line fracturing fluid is composed of agent A and agent B, and its components are in mass fraction: 5 parts of agent A, 1 part of agent B, and 94 parts of water.
[0064] The A agent, its components by mass fraction: 20 parts of chitin, 20 parts of starch, 20 parts of acrylamide, 5 parts of sophorolipid active agent, 1 part of glucose, 0.5 parts of sodium polyaspartate, hydrocarbon solvent (n-paraffin, isoparaffin) 20 parts of n-hexane, 13.5 parts of water.
[0065] The preparation method of agent A of the present invention is realized through the following steps:
[0066] First add 20 parts of chitin, 20 parts of acrylamide, 20 parts of starch and 13.5 parts of water into the reactor, stir for 10-25 minutes to dissolve it, and add 5 parts of sophorolipid active agent, 1 part of glucose, Polytian Emulsify with 0.5 parts of sodium aspartate and 20 parts of hydrocarbon solvent (normal alkanes, isoparaffins) n-hexane, and stir for 10-20 minutes. A...
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