Method for collecting liquid fuel in coal oil-gas reservoir, product and application thereof
A technology for liquid fuels and oil and gas reservoirs, applied in liquid carbon-containing fuels, fuels, petroleum industries, etc., can solve the problems of many devices and equipment, long process routes, and many key technologies, achieve low investment costs and operating costs, overcome the It is not suitable to transport and expand the effect of raw material sources
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Embodiment 1
[0030] The coal used in this embodiment is lignite A, and the oil used is 6 # The properties of fuel oil, lignite A are shown in Table 1, 6 # The properties of the fuel oil are shown in Table 2.
[0031] First this lignite A is pulverized into 100-400 mesh pulverized coal, then pulverized coal and 6 # Fuel oil mixed with pulverized coal and 6 # The mass ratio of fuel oil was 0.6:1. Stirring for 8 hours at normal pressure and temperature of 160° C. gave dispersed and partially dissolved oil-coal slurry. The properties of the oil-coal slurry are shown in Table 3. As can be seen from Table 3, the oil-coal slurry viscosity is 41.2mm 2 / s, in line with petrochemical industry 6 # fuel oil standards.
Embodiment 2
[0033] The coal used in this embodiment is bituminous coal B, and the oil used is 6 # The properties of fuel oil and bituminous coal B are shown in Table 1, 6 # The properties of the fuel oil are shown in Table 2.
[0034] First pulverize the bituminous coal B into 100-400 mesh coal powder, then mix the coal powder with 6 # Fuel oil mixed with pulverized coal and 6 # The mass ratio of fuel oil was 0.7:1. Stirring for 36 hours at 0.15 MPa and 200° C. gave a dispersed and partially dissolved oil-coal slurry. The properties of the oil-coal slurry are shown in Table 3. As can be seen from Table 3, the calorific value of the oil-coal slurry is 40.337MJ / kg, and the viscosity is 14.6mm 2 / s, in line with petrochemical industry 5 # Standard for heavy fuel oil.
Embodiment 3
[0036] The coal used in this embodiment is bituminous coal C, and the oil used is 6 # The properties of fuel oil and bituminous coal C are shown in Table 1, 6 # The properties of the fuel oil are shown in Table 2.
[0037] First crush the bituminous coal C into 100-400 mesh coal powder, then mix the coal powder with 6 # Fuel oil mixed with pulverized coal and 6 # The mass ratio of fuel oil is 0.5:1, at 0.17MPa, at a temperature of 80° C., stirring for 3 hours to obtain a dispersed and partially dissolved oil-coal slurry. The properties of the oil-coal slurry are shown in Table 3. It can be seen from Table 3 that the calorific value of the oil-coal slurry is 41.883MJ / kg, and the viscosity is 7.5mm 2 / s, in line with petrochemical industry 5 # Standard for light fuel oil.
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