MEASURING AZIMUTH AND SPEED OF HORIZONTAL FLUID FLOW BY A BOREHOLE

METHOD AND APPARATUS FOR MEASURING AZIMUTH AND SPEED OF HORIZONTAL FLUID FLOW BY A BOREHOLE (D #74,948-F) Formation fluid is activated by a neutron source. A cluster of three gamma ray detectors provides count rate data with the count values varying among the three detectors as dictated by the geome...

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Hauptverfasser:	DAN MCCAY ARNOLD, OBIE MARTIN LANGFORD, HUBERT DUNKERLAY SCOTT, HANS JUERGEN PAAP
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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Zusammenfassung:	METHOD AND APPARATUS FOR MEASURING AZIMUTH AND SPEED OF HORIZONTAL FLUID FLOW BY A BOREHOLE (D #74,948-F) Formation fluid is activated by a neutron source. A cluster of three gamma ray detectors provides count rate data with the count values varying among the three detectors as dictated by the geometry of the cluster and the angle of displacement of the activated fluid between the time of neutron bombardment and that of gamma ray detection. Measurements at different time intervals following the activation of the fluid may also be interpreted in terms of the speed of horizontal fluid flow past the borehole.