Method for detecting hydrocarbons from NMR data

Details Method for detecting hydrocarbons from NMR data Method for detecting hydrocarbons from NMR data

2005-03-15

2005-03-15

Shrivastav, Brij B. (Department: 2859)

Electricity: measuring and testing

Particle precession resonance

Using well logging device

C324S300000

Reexamination Certificate

active

06867589

ABSTRACT:
A method for detecting hydrocarbons in a fluid sample includes deriving a difference measurement from a first nuclear magnetic resonance measurement and a second nuclear magnetic resonance measurement, wherein the first nuclear magnetic resonance measurement and the second nuclear magnetic resonance measurement have difference values in an acquisition parameter such that molecular diffusion affects the first nuclear magnetic resonance measurement and the second nuclear magnetic resonance measurement to a different extent; and determining a presence of hydrocarbons from the difference measurement.

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