Kombinert NMR og formasjonspröving for anslag av relativ permeabilitet medformasjonstesting og nukle¶rmagnetisk resonanstesting

The downhole instrumentation placed adjacent to a formation, includes a pressure-driven device determining fluid mobility in the formation. The saturation level is measured in the test location. A further instrument measures the corresponding relative permeability. Independent claims are included fo...

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Bibliographische Detailangaben
Hauptverfasser:	GEORGI, DAN, KRUSPE, THOMAS, MEISTER, MATTHIAS
Format:	Patent
Sprache:	nor
Schlagworte:	DETECTING MASSES OR OBJECTS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	The downhole instrumentation placed adjacent to a formation, includes a pressure-driven device determining fluid mobility in the formation. The saturation level is measured in the test location. A further instrument measures the corresponding relative permeability. Independent claims are included for two methods: one measures the relative permeability of a downhole formation from the saturation and pressure, and another calculates the productivity of a formation.