You searched for: “electromagnetic logging
electromagnetic logging, electromagnetic well logging
1. A system that measures and records electromagnetic currents within a formation that is being drilled.
2. 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, that measures the secondary electromagnetic field induced by the resulting eddy currents within the formation.
This entry is located in the following unit: electro-, electr-, electri- (page 40)