Non-magnetic survey instrument for boreholes, casings or drill strings

Non-magnetic survey instrument for boreholes, casings or drill strings

Non-magnetic survey instrument (100) for borehole, casing or drill string formed by a body (110) accommodating centralizer assemblies (120-122) and measuring systems (170-190), the non-magnetic survey instrument (100) being arranged for continuous surveying as the non-magnetic survey instrument (100...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Lindhjem, Rune, Tokle, Viktor, Jönsson, Lennart
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:Non-magnetic survey instrument (100) for borehole, casing or drill string formed by a body (110) accommodating centralizer assemblies (120-122) and measuring systems (170-190), the non-magnetic survey instrument (100) being arranged for continuous surveying as the non-magnetic survey instrument (100) travels downwards or upwards in a borehole, casing or drill string.