The 3D IP survey has been carried out for imaging of the zones of secondary changes, typically observed above the hydrocarbon deposits. With IP a highly polarizable anomalous zone has been revealed (see the figure). It's characterized by increased apparent chargeability. One of three productive wells, drilled in the considered area, is located within the anomalous zone, while two other wells are located at it's boundary. The only dry well is situated out of the polarizable anomaly.
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