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SU1756613A1
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Plunger for sucker-rod well pump
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SU1761974A1
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Collar plunger process for deep-well pump
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RU1772344C
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Bottom-hole choke
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SU1761943A1
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Method for wells mastering
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SU1751070A1
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Device for unpacking barrels with granular or monolithic material
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RU1776769C
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Batcher of reagent for oil wells
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SU1752941A1
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Boreholes gas separator
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SU1748024A1
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Method of determining corrosion-erosion failure of down-the- hole equipment
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SU1671971A1
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Method of diagnosing hydraulic machine
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SU1670103A1
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Borehole anchor
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SU1693229A1
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Equipment for fixing casing strings on borehole mouth
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SU1751406A1
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Method of diagnosis of technological state of centrifugal pump
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Drive of oil-well sucker-rod pump
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Method for creation of downhole electrode for reservoir electric treatment
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Well gas separator
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Flow regulator
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Well anchor
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Process of heterogeneous medium preparation for pumping and gas disperser on inlet of the well centrifugal pump
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Hydraulic shock absorber
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SU1588924A1
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Downhole pumping unit
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