| 1. | The process begins with a detailed petrophysical analysis and well log calibration.
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| 2. | Well log and core measurements provide samples to verify and fine-tune that understanding.
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| 3. | In analyzing old oil well logs, Schlumberger inferred that an earthquake fault exists under Belmont.
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| 4. | This is required in order to find common ground between the well logs and seismic data.
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| 5. | Often these velocities are measured from well logs, but might also come from a theoretical model.
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| 6. | Neither is well exposed, with their locations being inferred from topography, springs, seeps, and well logs.
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| 7. | Deterministic inversions address this problem by constraining the answer in some way, usually to well log data.
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| 8. | Models are based on measurements taken in the field, including well logs, seismic surveys, and production history.
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| 9. | The results are quality controlled by direct comparison of the inverted rock property volumes against the well logs.
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| 10. | The new company sold electrical-measurement mapping services, and recorded the first-ever well log in Merkwiller-Pechelbronn, France in 1927.
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