High-precison modeling method and system of three-dimensional velocity field for precise navigation of deep oil and gas
US12158554B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2024 |
| Grant date | Dec 3, 2024 |
| Priority date | — |
| Expiry date | Mar 15, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V2210/6222
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention belongs to the field of deep navigation, and in particular to a high-precision modeling method and system of three-dimensional velocity field for precise navigation of deep oil and gas. The present invention includes: extracting wave impedance characteristics based on standardized well logging data to obtain a wave impedance curve; acquiring a velocity vector of each location at current depth, to obtain a one-dimensional velocity curve; based on the one-dimensional velocity curve, training a velocity value prediction model based on wave impedance at the current depth; performing wave impedance inversion based on the wave impedance curve at the current depth to obtain a wave impedance inversion data volume; and based on the wave impedance inversion data volume, through the velocity value prediction model based on wave impedance at the current depth, acquiring a three-dimensional high-accuracy velocity volume.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.