The location and permeability of reservoir leakage, a common disease of reservoir, are difficult to be discovered accurately due to complex geological conditions. As a nondestructive detection method highly sensitive to low-resistance anomalies, high-density resistivity method is often used in geological prospecting at present. To investigate the effect of high-density resistivity method in detecting reservoir leakage, we adopted the dipole-dipole detection method for the nondestructive inspection of leakage of a reservoir as a case study. By analyzing the resistivity change together with on-site drilling results, we obtained the leakage position and analyzed the cause of reservoir leakage. The leakage position, cave location, and developed zones of corrosion fissures are highly consistent with inspection results by the high-density resistivity method, indicating that the method is efficient and feasible in reservoir leakage detection.
Key words
reservoir leakage /
high-density resistivity method /
leakage passage /
resistivity rate /
corrosion developed zone
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