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SU840471A2
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Depth sucker rod pump
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SU850915A1
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Well socker-rod pumping unit
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Well pump drive
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Method of oil dehydration and desalinization
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Apparatus for dewatering and demineralizating oil
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Device for measuring interphase film strength
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Device for repairing the casing of a borehole
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Packer
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Method of producing viscous oil or bitument from formation
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Apparatus for hydrating and demineralisating oil
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Apparatus for monitoring continuity of metallic article non-electroconductive coatings
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Method of cleaning gas from hydrogen sulfide
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Well oil-selivering unit
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Method of evaluating the flooding interval of oil and gas bearing formations
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Composition for preventing paraffin deposits
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Composition for removing tarry-paraffinic deposits
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Anode earthing device
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Anode earthing device
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Method of oil dehydrating and desalinization
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SU763450A1
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Method of oil dehydration and desalinization
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