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In this paper the overview of a level of study of the deformation processes on long-term petroleum field development and ecological consequences accompanying them is given. In more details these processes are considered for the oldest Absheron petroleum bearing region (Absheron p-la, Azerbaijan) where fields are strongly depleted and the pressure drop reaches 80% from initial values. Ecological consequences of this phenomenon are the following: development in area of petroleum fields Balakhany-Sabunchi-Ramany, Surakhany, Garachukhur, Bibi-Eybat intensive process of ground subsiding (up to 47 mm/year) and flooding, frequent incidences of curved boreholes, breaks in oil, gas, and water pipelines, and sudden kicks of water and sand, occurrence of the induced seismicity (Surakhany earthquake in 1937 with magnitude 6). With purpose of forecasting of geodynamic processes creation on petroleum production complexes of system of the environmental control is recommended.

Environmental Consequences of Long-Term Development of Petroleum Fields, Absheron p-la, Azerbaijan, Case History