It's the fourth time the 2-year-old female, weighing 200 kilograms, was shot with a tranquilliser dart and transported away.
On one of her first visits, workers at the oil depot gave her some milk and canned meat.
But she kept coming back for more.
About 2500 polar bears are believed to inhabit the Nenets Autonomous Region, and their population has continued to grow since Russia banned polar bear hunting in 1957.
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