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Lubricating reagent for drilling solutions
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Lubricating reagent for drilling solutions
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Device for sealing mouth of well
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Method for mounting parts
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Valve of well sucker rod pump
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Device for estimating water content of oil well product
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Method of diesel fuel production
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Method of low-octane benzine fractions processing
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Self-centering chuck
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Method for completion and operation of well
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Drilling mud
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Extraction technique of non-uniform multi-phase medium from hole
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