Controllable capsule gel breaker and preparation method thereof
A capsule gel breaker and capsule coating technology, which is applied in the direction of chemical instruments and methods, drilling compositions, etc., can solve the problems of uncontrollable gel breaking time, single gel breaking time, and affecting normal work, etc., and achieve long-term maintenance No release, strong gel breaking ability, and strong stability
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Embodiment 1
[0039] Take sulfate, biological enzyme, and alkylsulfonate, and sieve them through a 100-mesh sieve respectively. Take 400 parts of sieved sulfate, 300 parts of sieved biological enzyme and 100 parts of sifted alkylsulfonate, mix them evenly, and pass through a 100-mesh sieve. Put the mixture into a granulator, add 300 parts of mixed resin binder, and add water to dilute by 1 time. Stir evenly, adjust the pH to 5-8, and wet granulate at 20-60°C to make granules. The particles are dried at 30-60° C. for 2-10 hours, passed through a 40-14 mesh sieve, and uniformly dispersed to obtain a capsule core.
[0040] Take polyamide and epoxy resin, and pass through 100 mesh sieves respectively. Take 100 parts of sieved polyamide and 300 parts of sieved epoxy resin, mix them evenly, and pass through a 100-mesh sieve. The mixture of polyamide and epoxy resin is sprayed onto the capsule core by gas suspension in a fluidized bed, and dried at 30-60° C. for 2-10 hours to obtain a capsule c...
Embodiment 2
[0043] Take fluoride salt, bacillus, and alkylbenzene sulfonate, and sieve through 100 meshes respectively. Take 500 parts of sifted fluoride salt, 300 parts of sifted bacillus and 200 parts of sifted alkylbenzene sulfonate, mix them evenly, and pass through a 100-mesh sieve. Put the mixture into a granulator, add 200 parts of mixed resin binder, and add water to dilute 0.8 times. Stir evenly, adjust the pH to 5-8, and wet granulate at 20-60°C to make granules. The particles are dried at 30-60° C. for 2-10 hours, passed through a 40-14 mesh sieve, and uniformly dispersed to obtain a capsule core.
[0044] Take polyamide and epoxy resin, and pass through 100 mesh sieves respectively. Take 200 parts of sieved polyamide and 150 parts of sieved epoxy resin, mix them evenly, and pass through a 100-mesh sieve. The mixture of polyamide and epoxy resin is sprayed onto the capsule core by gas suspension in a fluidized bed, and dried at 30-60° C. for 2-10 hours to obtain a capsule co...
Embodiment 3
[0047] Take fluoroborate, biological enzyme, bacillus, and alkyl sulfate salt, and sieve through 100 meshes respectively. Take 100 parts of sifted fluoroborate, 100 parts of sifted biological enzyme, 100 parts of sifted bacillus and 100 parts of sifted alkyl sulfate salt, mix them evenly, and pass through a 100-mesh sieve. Put the mixture into a granulator, add 100 parts of epoxy resin binder, and add water to dilute 0.5 times. Stir evenly, adjust the pH to 5-8, and wet granulate at 20-60°C to make granules. The particles are dried at 30-60° C. for 2-10 hours, passed through a 40-14 mesh sieve, and uniformly dispersed to obtain a capsule core.
[0048] Take the modified aromatic amine and epoxy resin, and pass through a 100-mesh sieve respectively. Take 100 parts of sieved modified aromatic amine and 50 parts of sieved epoxy resin, mix them evenly, and pass through a 100-mesh sieve. The mixture of modified aromatic amine and epoxy resin is sprayed onto the capsule core by g...
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