G01V 2210/6226
Impedance
G01V2210/6226 (Impedance) appears on 41 US grants and 53 published applications in this corpus.
Search patents in G01V- Granted patents
- 41
- Published applications
- 53
- Assignees
- 28
- Inventors
- 155
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 2 | 3 |
| 2017 | 0 | 4 |
| 2018 | 2 | 5 |
| 2019 | 5 | 7 |
| 2020 | 4 | 4 |
| 2021 | 1 | 7 |
| 2022 | 8 | 5 |
| 2023 | 8 | 3 |
| 2024 | 3 | 4 |
| 2025 | 3 | 6 |
| 2026 | 3 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for inverting formation wave impedance using DAS borehole seismic data1 Sep 2026US 12,724,163 B2BGP Inc., China National Petroleum Corporation
- Spatial variations of pore pressure7 Jul 2026US 12,674,906 B2Saudi Arabian Oil Company
- Seismic inversion downscaling and extrapolation for generation of seismic images27 Jan 2026US 12,535,606 B2Saudi Arabian Oil Company
- Fracture characterization while drilling9 Sep 2025US 12,410,698 B2Schlumberger Technology Corporation
- Acoustic phased array system and method for determining well integrity in multi-string configurations15 Jul 2025US 12,360,276 B2Baker Hughes Oilfield Operations LLC
- Method for cement bond evaluation24 Sep 2026US 2026/0287776 A1Halliburton Energy Services.Inc.
- Seismic imaging framework23 Jul 2026US 2026/0211138 A1Schlumberger Technology Corporation
- Methods for elastic vector reflectivity waveform inversion11 Dec 2025US 2025/0377469 A1Schlumberger Technology Corporation
- Acoustic phased array system and method for determining well integrity in multi-string configurations6 Nov 2025US 2025/0341650 A1Baker Hughes Oilfield Operations LLC
- Internal imaging and model construction9 Oct 2025US 2025/0314789 A1Equinor Energy AS
Most cited
By later US patents
- Creating a high resolution velocity model using seismic tomography and impedance inversion11US 9,470,811 B2Chevron U.S.A.Inc. · 2016
- Method and apparatus for acoustic impedance and P-wave anisotropy measurements7US 8,576,659 B2Baker Hughes Incorporated · 2013
- System and method for mapping reservoir properties away from the wellbore5US 10,445,669 B2Baker Hughes, A Ge Company, LLC · 2019
- Reducing the dimensionality of the joint inversion problem4US 9,195,783 B2ExxonMobil Upstream Research Company · 2015
- Wavelet estimation for four-dimensional characterization of subsurface properties based on dynamic simulation3US 10,877,171 B2Landmark Graphics Corporation · 2020