MAGNETIC RANGING TO AN AXIALLY MAGNETIZED MAGNETIC SOURCE

MAGNETIC RANGING TO AN AXIALLY MAGNETIZED MAGNETIC SOURCE

A system and method of magnetic ranging that obviates the need for wireline conveyance in magnetic ranging applications for borehole to borehole proximity measurement. An axially magnetized magnetic source contained in a nonmagnetic collar is added to a borehole drilling assembly and conveyed downho...

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Hauptverfasser: MARTIN, TROY, BARROW, WARREN, MCGREGOR, MALCOLM DOUGLAS
Format: Patent
Sprache:eng ; fre
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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creator MARTIN, TROY
BARROW, WARREN
MCGREGOR, MALCOLM DOUGLAS
description A system and method of magnetic ranging that obviates the need for wireline conveyance in magnetic ranging applications for borehole to borehole proximity measurement. An axially magnetized magnetic source contained in a nonmagnetic collar is added to a borehole drilling assembly and conveyed downhole under standard operating conditions. A second borehole drilling assembly is equipped with an MWD ranging sensor, positioned with sufficient nonmagnetic isolation to ensure the MWD ranging sensor is not being perturbed by the drillstring. Except for during the actual surveying condition, drilling operations can proceed as normal minimizing interruption, equipment and operator safety risks and maximizing throughput and performance at the drill site.
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subjects 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
title MAGNETIC RANGING TO AN AXIALLY MAGNETIZED MAGNETIC SOURCE
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