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RU1783460C
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Device for well electric logging
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Probe for inductive electromagnetic logging
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RU1770932C
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Induction well-logging probe
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RU1778287C
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Device for survey of borehole walls
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RU1778285C
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Probe for hydrodynamic survey of formations
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SU1763646A1
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Bed tester
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SU1744236A1
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Device for cable sealing at wellhead
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RU1788205C
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Device for running in wire-line instruments into wells under pressure
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SU1749874A1
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Method of inherent polarization logging
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RU1770928C
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Acoustic isolator
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SU1740621A1
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Wellhead sealing device
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RU1778270C
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Device for disconnecting pipe string from packer
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SU1747857A1
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Lever-based measuring device adjustment and graduation unit
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SU1749870A1
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Probe of down-hole logging instrument for wave acoustic logging
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SU1737111A1
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Arrangement for carrying out formation tests
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SU1737110A1
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Arrangement for carrying out formation tests
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SU1733627A1
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Formation tester
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SU1756550A1
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Cable formation tester
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SU1749449A1
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Device for well testing
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SU1754930A1
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Connections of threaded parts
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