Venezuela's oil is also of poorer quality than its Saudi equivalent. Its sour, heavy crude is difficult to extract and refine, while its high sulphur content makes it corrosive to pipelines. A resurgence of Venezuela's industry could pose problems for Canada, which produces similarly viscous oil and exports much of it to the US, but analysts reckon the risk is minor.
违反治安管理行为构成犯罪，应当依法追究刑事责任的，不得以治安管理处罚代替刑事处罚。
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Tony Jolliffe BBC
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