Schlumberger
Oilfield Glossary
Oilfield Glossary
Language:
Search by Discipline
Terms beginning with:
# A B C D E F
G H I J K L M
N O P Q R S T
U V W X Y Z
Tools

free-induction decay

1. n. [Formation Evaluation]
In a nuclear magnetic resonance measurement, the decay, or relaxation, caused by dephasing in an inhomogeneous magnetic field. Since this relaxation is not related to formation properties, it is unwanted and corrected by using the CPMG pulse sequence.