Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11994640 | Attenuation of low-frequency noise in continuously recorded wavefields | Stian Hegna | 2024-05-28 |
| 11579323 | Noise attenuation | Stian Hegna | 2023-02-14 |
| 11480701 | Non-uniform towing patterns in marine geophysical surveys | Stian Hegna, Jostein Lima | 2022-10-25 |
| 11125900 | Estimating an earth response | Stian Hegna | 2021-09-21 |
| 10495770 | Individual actuation within a source subarray | Jostein Lima, Stian Hegna | 2019-12-03 |
| 10338255 | Noise attenuation | Stian Hegna | 2019-07-02 |
| 10267936 | Estimating an earth response | Stian Hegna | 2019-04-23 |
| 9921325 | Wavefield separation based on a matching operator between sensor responses in multi-component streamers | Stian Hegna | 2018-03-20 |
| 9915745 | Separation of up-going and down-going wavefields including the direct arrival | Stian Hegna | 2018-03-13 |
| 9784869 | Noise models by selection of transform coefficients | — | 2017-10-10 |
| 9696445 | Systems and methods for frequency-domain filtering and space-time domain discrimination of seismic data | Anthony James Day | 2017-07-04 |
| 8239135 | Method for calculation of seismic attributes from seismic signals | Anthony James Day | 2012-08-07 |
| 8208342 | Method for combining signals of pressure and particle motion sensors in marine seismic streamers | Anthony James Day | 2012-06-26 |
| 8174926 | Method for wavefield separation for dual-sensor data using kirchhoff-type datuming and migration | — | 2012-05-08 |
| 7957221 | Method for optimum combination of pressure and particle motion sensors for a 3-D spread of dual-sensor marine seismic streamers | Hocine Tabti, Anthony James Day | 2011-06-07 |
| 7646672 | Method for wavefield separation in 3D dual sensor towed streamer data with aliased energy in cross-streamer direction | — | 2010-01-12 |