STUDY ON THE RELATION BETWEEN THE GROUNDWATER LEVEL OF OIL-WATER WELLS IN SHENGLI OILFIELD AND THE EARTHQUAKES IN NORTH CHINA
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Graphical Abstract
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Abstract
Among the variety of seismic precursors, the water level anomalies of oil-water well are noticeable for its large variation.Based on the earthquakes occurred in North China in recent years, the variation of oil production, water production and well pressure (the pressure in the stratum) before and after these earthquakes in Shengli oilfield are analyzed.
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