Ceramisite proppant and preparation method thereof
A technology of proppant and ceramsite, which is applied in the field of drilling aids, can solve problems such as low proppant efficiency and broken proppant, and achieve the effects of reducing broken rate, activating lattice, and improving mechanical strength
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[0032] The preparation method of the wear-resistant surface layer filler is as follows:
[0033](1) In terms of parts by mass, take 10~15 parts of filler base material, 7~10 parts of 2-ethylhexyl acrylate, 1~4 parts of sodium dodecyl diphenyl ether disulfonate, 70~90 parts deionized water, heated to 50-70°C and stirred for 40-50 minutes to obtain a mixture, adding potassium phosphate with 5-9% mass of the mixture, stirring and mixing for 20-30 minutes, then adding 10-15% potassium chloride to the mixture, Stir and mix at 50-70°C for 50-90 minutes to obtain mixture a, add potassium persulfate of 1-3% of the mass of mixture a, pass through nitrogen protection, heat up to 70-80°C and stir and mix for 3-5 hours to obtain the stirred mixture;
[0034] (2) Take the stirred mixture and add calcium chloride solution with a mass fraction of 4% according to the mass ratio of 4~9:10~20, let it stand for 50~60min, take the precipitate and dry it to obtain a dried product, and take the dri...
Embodiment 1
[0042] The filler base material is: take isoprene and add α-terpinene in a mass ratio of 10:3 and mix it.
[0043] Palladium catalyst: palladium content 0.48%, specific surface area 1000m 2 / g, bulk density 0.4g / mL.
[0044] The ceramsite base material is: take bauxite and mix it with purple sand soil at a mass ratio of 4:1.
[0045] The auxiliary sintering material is: in parts by mass, 10 parts of wollastonite, 3 parts of manganese ore powder, 1 part of potassium feldspar, and 1 part of dolomite are mixed to obtain the product.
[0046] Silane coupling agent: take vinyltrimethoxysilane, γ-(2,3-epoxypropoxy)propyltrimethoxysilane, vinyltris(β-methoxyethoxy)silane, N-( Any one or several of β-aminoethyl)-γ-aminopropyltriethoxysilanes are mixed in any mass ratio to obtain the product.
[0047] The preparation method of the wear-resistant surface layer filler is as follows:
[0048] (1) In parts by mass, take 10 parts of filler base material, 7 parts of 2-ethylhexyl acrylate...
Embodiment 2
[0057] The filler base material is: take isoprene and add α-terpinene in a mass ratio of 15:6 and mix it.
[0058] Palladium catalyst: palladium content 0.50%, specific surface area 1150m 2 / g, bulk density 0.45g / mL.
[0059] The ceramsite base material is: take bauxite and mix it with purple sand soil at a mass ratio of 6:3.
[0060] The auxiliary sintering material is: in parts by mass, 13 parts of wollastonite, 5 parts of manganese ore powder, 2 parts of potassium feldspar, and 2 parts of dolomite are mixed to obtain the product.
[0061] Silane coupling agent: take vinyltrimethoxysilane, γ-(2,3-epoxypropoxy)propyltrimethoxysilane, vinyltris(β-methoxyethoxy)silane, N-( Any one or several of β-aminoethyl)-γ-aminopropyltriethoxysilanes are mixed in any mass ratio to obtain the product.
[0062] The preparation method of the wear-resistant surface layer filler is as follows:
[0063] (1) In parts by mass, take 12 parts of filler base material, 8 parts of 2-ethylhexyl acryl...
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