electromagnetic logging

electromagnetic logging

[i¦lek·trō·mag′ned·ik ′läg·iŋ]
(engineering)
A method of well logging in which a transmitting coil sets up an alternating electromagnetic field, and a receiver coil, placed in the drill hole above the transmitter coil, measures the secondary electromagnetic field induced by the resulting eddy currents within the formation. Also known as electromagnetic well logging.
References in periodicals archive ?
today announced that the company has successfully installed the first ever Electromagnetic Logging While Drilling (EM-LWD) triple combo operation with extended range set-up for Saudi Aramco in the Hawiyah field in Saudi Arabia.

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