Damages of cased Wells in Daqing Oilfield mainly occur in the shale formations, and water soaking in shale is one of the main causes for such damages.

大庆油田套管井的损坏主要发生在泥岩层，泥岩浸水是引起套管井损坏的主要原因。

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Depending on your agenda, the choices range from the private pool villas, ideal for those who prefer to sunbathe in privacy, to the more business-focused ultra-modern suites in the main building with sleek furnishings and luxe baths, with rain-drenching showers and deep-soaking tubs.

BBC: Business trip: Dubai