COMMUNICATION BETWEEN DOWNHOLE TOOL AND SURFACE LOCATION

A system for communicating between a downhole tool and a surface location. The system may include a downhole tool disposed within a subsea riser. The downhole tool may include a device that actuates between first and second positions. An internal transducer may be coupled to the downhole tool and tr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NELLESSEN, JR. PETER, SPENCER, JR. RONALD JAMES, SCHUHRKE LAURA ROBIN
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	A system for communicating between a downhole tool and a surface location. The system may include a downhole tool disposed within a subsea riser. The downhole tool may include a device that actuates between first and second positions. An internal transducer may be coupled to the downhole tool and transmit a signal indicative of the position of the device. An external transducer may be positioned on an exterior of a riser. The external transducer may receive the signal from the internal transducer through the riser. A transponder may be positioned on an exterior of the riser and coupled to the external transducer. The transponder may transmit a signal to a surface location indicative of the position of the device.