SURVEY TOOL SYSTEM FOR BLAST HOLE DRILLING RIGS

A survey tool system (100) for surveying deviation of a previously drilled hole (10, 20) from a selected hole path (30) comprises: an assembly of drill pipe sections (55) co-operable with said previously drilled hole (10, 20); and at least one sensor (125) included within the assembly of drill pipe...

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Bibliographische Detailangaben
Hauptverfasser:	BUTLER, Alexander, AYRIS, Michael, LINDHJEM, Rune, FLAM, John T, LØVØ, Arnstein
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS MINING NAVIGATION OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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Beschreibung
Zusammenfassung:	A survey tool system (100) for surveying deviation of a previously drilled hole (10, 20) from a selected hole path (30) comprises: an assembly of drill pipe sections (55) co-operable with said previously drilled hole (10, 20); and at least one sensor (125) included within the assembly of drill pipe sections (55) for collecting survey data including data correlated with deviation of said previously drilled hole (10, 20) from said selected hole path (30). A processor (130) processes data collected from the at least one sensor (125) and determines deviation of the previously drilled hole (10, 20) from the selected path (30) for said previously drilled hole (10, 20).