Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Earth science
Patent
1997-11-13
2000-03-28
McElheny, Jr., Donald E.
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Earth science
G06F 1900
Patent
active
060443278
ABSTRACT:
A well logging instrument, embodied both in drillstring and in wireline logging systems, is caused to traverse an earth borehole and to generate lithology-related data. First and second lithology compositional models are constructed from such data and are combined to determine a range of possible solutions having an upper limit defined by a pure component model and a lower limit defined by a proportional mixture model, thus allowing the maximum concentration of any lithologic component to vary between 0% and 100%. The exact value of the lithology lies between the upper and lower limits in the range of values and can be calibrated to a mineralogic analysis of actual core samples or drill cuttings.
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Dresser Industries Inc.
McElheny Jr. Donald E.
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