Oil recovery well head sampling device that prevents frostbite
The utility model relates to an oil recovery well head sampling device that prevents frostbite, its technical scheme is: including the sampling tube, the sampling tube on be equipped with oil inlet and oil -out, oil inlet and oil -out between be equipped with the oil feed passageway, the inside of o...
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Main Authors | , , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
28.12.2016
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Subjects | |
Online Access | Get full text |
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