G01V 2210/1429
Subsurface
Official title: Subsurface, e.g. in borehole or below weathering layer or mud line
G01V2210/1429 (Subsurface) appears on 320 US grants and 423 published applications in this corpus.
Search patents in G01V- Granted patents
- 320
- Published applications
- 423
- Assignees
- 106
- Inventors
- 766
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 6 |
| 2013 | 2 | 5 |
| 2014 | 1 | 14 |
| 2015 | 3 | 15 |
| 2016 | 9 | 31 |
| 2017 | 17 | 43 |
| 2018 | 22 | 41 |
| 2019 | 39 | 36 |
| 2020 | 16 | 43 |
| 2021 | 44 | 59 |
| 2022 | 40 | 27 |
| 2023 | 51 | 38 |
| 2024 | 38 | 29 |
| 2025 | 20 | 20 |
| 2026 | 17 | 12 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Energy band method for processing acoustic data22 Sep 2026US 12,742,904 B2Saudi Arabian Oil Company
- Computing A0 mode attenuation for cement evaluation in cased wells11 Aug 2026US 12,704,063 B2Halliburton Energy Services.Inc.
- Spatial variations of pore pressure7 Jul 2026US 12,674,906 B2Saudi Arabian Oil Company
- Selection and removal of acoustic baseline signal for enhanced cement bond evaluation9 Jun 2026US 12,650,533 B2Halliburton Energy Services.Inc.
- Sensor deployment for distributed acoustic sensing interrogation in subsea applications2 Jun 2026US 12,644,760 B2Halliburton Energy Services.Inc.
- Real-time subsurface monitoring using monochromatic source and phase variation3 Sep 2026US 2026/0259335 A1Chevron U.S.A.Inc.
- Dipole beamforming stack3 Sep 2026US 2026/0259342 A1Schlumberger Technology Corporation
- Automated methods to determine properties of laminated reservoir formations25 Jun 2026US 2026/0177722 A1Schlumberger Technology Corporation
- Spectral mean normalization method for minimizing rotation effect from drill bit sounds4 Jun 2026US 2026/0153028 A1Aramco Far East (Beijing) Business Services Co., Ltd.
- Sonic through tubing cement evaluation7 May 2026US 2026/0126559 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Fracture monitoring45US 8,950,482 B2Optasense Holdings Limited · 2015
- Apparatus and method for detecting fracture geometry using acoustic telemetry41US 9,557,434 B2ExxonMobil Upstream Research Company · 2017
- Fiber optic cable for distributed acoustic sensing with increased acoustic sensitivity32US 9,255,836 B2Weatherford Technology Holdings, LLC · 2016
- Method and system for enhancing the spatial resolution of a fiber optical distributed acoustic sensing assembly27US 9,109,944 B2Shell Oil Company · 2015
- Downhole surveillance23US 10,120,104 B2Optasense Holdings Limited · 2018