Low-density and moderate-strength oil fracturing propping agent and preparing method thereof
A fracturing proppant, low-density technology, applied in chemical instruments and methods, earthwork drilling, and fluid production, can solve problems such as low production efficiency in shallow low-permeability oil and gas fields, achieve good appearance and prevent powder removal , The effect of high crush resistance
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[0027] Example 1
[0028] A low-density medium-strength petroleum fracturing proppant, made of powder and 4% silica sol by weight. According to the weight ratio, the powder is made of 85 parts of raw bauxite, 5 parts of molybdenum tailings, and 2 parts The bentonite is mixed with 2 parts of composite additives, in which the particle size of raw bauxite and molybdenum ore tailings is less than 0.044mm, and the fineness of bentonite is less than 0.074mm;
[0029] According to the weight ratio, the composite additive is composed of 1 part of manganese oxide powder and 1 part of nickel-iron slag powder, and the particle sizes of the manganese oxide powder and the nickel-iron slag powder are both less than 0.074 mm.
[0030] The preparation method of the aforementioned low-density medium-strength petroleum fracturing proppant includes the following steps:
[0031] 1) According to the above requirements, each material is weighed and pulverized to the corresponding particle size, and then th...
Example Embodiment
[0036] Example 2
[0037] A low-density medium-strength petroleum fracturing proppant, made of powder and 4% silica sol by weight. According to the weight ratio, the powder is made of 90 parts of raw bauxite, 8 parts of molybdenum tailings, and 3 parts The bentonite is mixed with 5 parts of composite additives, in which the particle size of raw bauxite and molybdenum ore tailings is less than 0.044mm, and the fineness of bentonite is less than 0.074mm;
[0038] According to the weight ratio, the composite additive is composed of 3 parts of manganese oxide powder and 2 parts of ferronickel slag powder, and the particle sizes of the manganese oxide powder and ferronickel slag powder are both less than 0.074 mm.
[0039] The preparation method of the aforementioned low-density medium-strength petroleum fracturing proppant includes the following steps:
[0040] 1) According to the above requirements, each material is weighed and pulverized to the corresponding particle size, and then the ...
Example Embodiment
[0045] Example 3
[0046] A low-density medium-strength petroleum fracturing proppant, which is made of powder and 4% silica sol by weight. According to the weight ratio, the powder is made of 87.5 parts of raw bauxite, 6.5 parts of molybdenum tailings, and 2.5 parts The bentonite is mixed with 3.5 parts of composite additives, wherein the particle size of raw bauxite and molybdenum ore tailings is less than 0.044mm, and the fineness of bentonite is less than 0.074mm;
[0047] According to the weight ratio, the composite additive is composed of 2 parts of manganese oxide powder and 1.5 parts of nickel-iron slag powder, and the particle sizes of the manganese oxide powder and the nickel-iron slag powder are both less than 0.074 mm.
[0048] The preparation method of the aforementioned low-density medium-strength petroleum fracturing proppant includes the following steps:
[0049] 1) According to the above requirements, each material is weighed and pulverized to the corresponding partic...
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