Device for carrying out magnetic imagery of the part of the subsoil bordering the wall of an oil well
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METHOD FOR DETERMINING THE ORIENTATION OF A DRILLING ROD RECEIVED IN A ROCKY OR SIMILAR TERRESTRIAL ENVIRONMENT
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Equipment for continuously measuring the internal diameter variations of conduit, comprises cylinder with feeler fingers connected to reflectors mounted around a rotating laser beam telemeter
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Device for the nmr analysis of a material
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Determining hydraulic potential of reserve between strata, comprises modulating well flowrate at two levels, and measuring flow and pressure phase relationships
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NMR transceiver includes coil assembly with voltage-sensing switching circuits controlling coil connection to RF transmitter and receiver-analyzer
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DEVICE FOR TRANSMITTING STATIC AND INDUCED MAGNETIC FIELDS FOR NMR ANALYSIS SYSTEM
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Method and device for determining the quality of an oil well reserve
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DEVICE FOR THE STUDY OF A MATERIAL BY NMR
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Device for studying material using NMR comprises permanent magnet and device for creating radio frequency magnetic field in two half-spaces
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IMPROVED METHOD AND DEVICE FOR ASSESSING THE PERMEABILITY OF A ROCK MEDIUM
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METHOD AND DEVICE FOR ASSESSING THE PERMEABILITY OF A ROCK MEDIUM
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DEVICE FOR ORIENTATION OF DRILL CORES
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DEVICE FOR EVALUATING THE DENSITY OF PROTONS PRESENT IN A GIVEN BODY
