Method for building simulation model of rock core scale
A simulation model and construction method technology, applied in design optimization/simulation, special data processing applications, instruments, etc., can solve problems such as strong randomness and inability to truly reflect the characteristics of rock cores, and achieve fast simulation speed
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[0091] figure 1 A flowchart of the steps of a core-scale simulation model construction method according to the present invention is shown.
[0092] The core-scale simulation model according to an exemplary embodiment of the present invention includes:
[0093] Step 1. Measure the porosity and test permeability of the target core through experiments;
[0094] Step 2: Obtain the probability distribution of the pore radius of the target core based on the mercury injection experiment;
[0095] Step 3. Establish a permeability calculation model to obtain the distribution of permeability;
[0096] Step 4. Based on the permeability anisotropy parameters, establish a core-scale simulation model;
[0097] Step 5: Calculate the apparent permeability according to the core-scale simulation model;
[0098] Step 6. Calculate the error rate between the apparent permeability and the test permeability. If the error rate is less than the set error rate, obtain the core-scale simulation m...
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