| 摘要 |
A method for determining a characteristic of earth formations from measurements taken on the formations, includes the following steps: producing a data base that includes a multiplicity of data points, each data point representing a stored formation characteristic output related to a stored input measurement; deriving, from the data base, a mapping function; deriving an input formation measurement value; and determining an output formation characteristic value from the data base, the mapping function, and the input formation measurement value.
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