DRILL BIT POSITIONING SYSTEM

A method (300) for determining a position of a drill bit (204) in a formation during drilling, comprising the steps of: a) For at least two wave modes (P,S), recording (310) a separate observed pattern of observations from a seismic array (206) on a land surface or a seafloor; b) Computing (320) a p...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LØVHEIM, Leon, BRANDSÆTER, Helge, FAGERÅS, Bjarte, OLDERVOLL, Magne, LINDGÅRD, John Even, BERGFJORD, Endre Vange
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	DETECTING MASSES OR OBJECTS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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