Imaging of Formation Structure Ahead of the Drill-Bit

Imaging of Formation Structure Ahead of the Drill-Bit

A downhole acoustic logging tool is used for generating a guided borehole wave that propagates into the formation as a body wave, reflects from an interface and is converted back into a guided borehole wave. Guided borehole waves resulting from reflection of the body wave are used to image a reflect...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HELLWIG OLAF, JETSCHNY STEFAN, MATHISZIK HOLGER, DE NIL DENISE, BOHLEN THOMAS, KOHN DANIEL, GEERITS TIM W
Format: Patent
Sprache:eng
Schlagworte:
DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:A downhole acoustic logging tool is used for generating a guided borehole wave that propagates into the formation as a body wave, reflects from an interface and is converted back into a guided borehole wave. Guided borehole waves resulting from reflection of the body wave are used to image a reflector.