Automatic adjustment of NMR pulse sequence to optimize SNR...

Details Automatic adjustment of NMR pulse sequence to optimize SNR... Automatic adjustment of NMR pulse sequence to optimize SNR...

2007-11-27

2007-11-27

Williams, Hezron (Department: 2856)

Electricity: measuring and testing

Particle precession resonance

Using well logging device

C073S152020

Reexamination Certificate

active

11179990

ABSTRACT:
Data from a string of multiple formation evaluation data sensor are evaluated by an expert system. Based on the analysis, the logging speed is increased if all the sensors justify it, and is reduced if any of the sensors require a reduced logging speed. Alternatively, the sensitive volume of a NMR sensor is altered based on a determination of a fraction of the sensitive volume that includes a borehole fluid.

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PC AI—Expert Systems, http://www.pcai.com/web/ai info/expert systems.html, pp. 1-15.
What is SNNS? Download from SNNS website.
Frederick Hayes-Roth;The Knowledge-Based Expert System: A Tutorial, IEEE Computer 17(9): 11-28, 1984.

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