SUB-SURFACE WELL LOCATION DETERMINATION

A method of estimating a position of a well path within a subsurface formation of the Earth includes determining a well path estimate using navigation measurements from a downhole tool and a position estimate derived from seismic data. A method of geosteering includes estimating a position of the we...

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Bibliographische Detailangaben
Hauptverfasser:	HANSTEEN, Fredrik, HOUBIERS, Marianne, Bussat, Sascha
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 method of estimating a position of a well path within a subsurface formation of the Earth includes determining a well path estimate using navigation measurements from a downhole tool and a position estimate derived from seismic data. A method of geosteering includes estimating a position of the well path and controlling a drill bit in response to the estimated position of the well path to follow a desired well trajectory.