Solid propping agent for oil-gas well fractrue
A technology of proppant and oil and gas wells, which is applied in the direction of production fluid, wellbore/well parts, earthwork drilling and production, etc. It can solve the problems of unstable product quality, increase of use cost, increase of manufacturing cost, etc. The effect of stable quality and lower firing temperature
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[0012] Example 1: Take the content of titanium dioxide 4.5%, Al 2 O 3 70% raw bauxite 100%, plus 6.5% manganese dioxide mineral, crush the two raw materials into 300 mesh fine powder separately, mix the materials evenly, add enough water required for granulation to mix into moist soil. The pellets are put into the water chestnut forming ball machine and rotated into balls, sieved to obtain particles with a particle size of 0.5-1 mm, sent to a rotary kiln for 1.5 hours at 1350°C for sintering, and discharged out of the kiln for cooling, sorting and dust-removing packaging.
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[0013] Example 2: As in Example 1, 10% manganese dioxide was added and sintered at 1320°C for 1.5 hours.
[0014] The fired product of the above embodiment contains Al 2 O 3 68%, Fe 2 O 3 2.5%, SiO 2 12%, total manganese 3.5%, bulk density 1.75 g / cm 3 , Apparent density 3.10 g / cm 3 , Anti-breaking ability (SY / T5108-1997) 69 Mpa≤5.2%, flow conductivity 60Mpa≥75μm 2 -cm, turbidity <20 degrees.
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