Method and apparatus using multi-target tracking to analyze borehole images and produce sets of tracks and dip data
US6226595A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1999 |
| Grant date | May 1, 2001 |
| Priority date | — |
| Expiry date | Feb 19, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V3/38
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A Tracking Dip Estimator software including a novel Multi-Sine Tracking Software is adapted to be stored in a computer system memory for instructing a processor to produce a "first output" including a plurality of tracks in response to input borehole image data, and a "second output" including a plurality of "dip data" d in response to the plurality of tracks, the Tracking Dip Estimator software generating the "first output" and "second output" by: PA0 (1) pre-processing the input borehole image data with a Detector to output a plurality of image edge elements called "reports", PA0 (2) using the reports as input to a Multi-Sine Tracking software that recursively develops a "first output" including a plurality of tracks, or a plurality of connected sets of track points, lying along sinusoidal dip events in the input borehole image data; the Multi-Sine Tracking software has embedded mathematical models for sinusoidal dip events, PA0 (3) using the "first output" plurality of tracks as input to a Best Fit software that determines a set of pure sine curves that best fit the respective plurality of connected sets of track points, and develops a "second output" including a plurality of "d…
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