Electricity: measuring and testing – Particle precession resonance – Using well logging device
Patent
1996-04-17
1998-06-16
Arana, Louis M.
Electricity: measuring and testing
Particle precession resonance
Using well logging device
324356, G01V 300
Patent
active
057676747
ABSTRACT:
The instruments of a pulsed nuclear magnetic resonance device are included in a drill collar for evaluating earth formations. The resulting tool makes NMR measurements through an electrically non-conductive shield while the formation is being drilled.
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patent: 4949045 (1990-08-01), Clark et al.
patent: 5157331 (1992-10-01), Smith
patent: 5280243 (1994-01-01), Miller
patent: 5563512 (1996-10-01), Mumby
Griffin Douglas D.
Hall James Stephen
Sezginer Abdurrahman
Arana Louis M.
Garrod David
Jeffery Brigitte L.
Smith Keith G. W.
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