G01V 3/083
Controlled source electromagnetic [csem] surveying
Official title: {Controlled source electromagnetic [CSEM] surveying}
G01V3/083 (Controlled source electromagnetic [csem] surveying) appears on 328 US grants and 381 published applications in this corpus.
Search patents in G01V- Granted patents
- 328
- Published applications
- 381
- Assignees
- 124
- Inventors
- 528
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 5 |
| 2006 | 6 | 12 |
| 2007 | 7 | 17 |
| 2008 | 15 | 36 |
| 2009 | 20 | 55 |
| 2010 | 33 | 51 |
| 2011 | 31 | 15 |
| 2012 | 35 | 28 |
| 2013 | 17 | 17 |
| 2014 | 17 | 21 |
| 2015 | 14 | 17 |
| 2016 | 17 | 13 |
| 2017 | 15 | 13 |
| 2018 | 10 | 19 |
| 2019 | 23 | 13 |
| 2020 | 18 | 9 |
| 2021 | 14 | 11 |
| 2022 | 8 | 5 |
| 2023 | 7 | 4 |
| 2024 | 8 | 6 |
| 2025 | 7 | 6 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Geophysical surveying apparatus, system and method25 Aug 2026US 12,717,056 B2Expert Geophysics Limited
- System and method of tracking an object that is at least partly buried in seabed7 Jul 2026US 12,674,908 B2Kongsberg Discovery AS
- Power source assembly14 Apr 2026US 12,603,496 B2Kongsberg Discovery AS
- Method of detection in an electrically conductive medium9 Dec 2025US 12,490,924 B2Elwave
- Method for positioning and predicting concealed orebody based on parallel double-tunnel transient electromagnetic exploration11 Nov 2025US 12,468,060 B1Kunming University of Science and Technology
- Multi-parameter mimo aeroborne time-frequency electromagnetic detection system and method9 Jul 2026US 2026/0194680 A1Aerospace Information Research Institute, Chinese Academy of Sciences
- Non-invasive characterization of wells11 Jun 2026US 2026/0160917 A1Halliburton Energy Services.Inc.
- Three-dimensional inversion method and device for electrical source transient electromagnetic data, and storage medium26 Mar 2026US 2026/0086262 A1Institute of Geology and Geophysics, Chinese Academy of Sciences
- Noise suppression method for extracting target frequency signal from csamt time series1 Jan 2026US 2026/0003093 A1Institute of Geology and Geophysics, Chinese Academy of Sciences
- Aeroelectromagnetic data inversion method and system based on approximate jacobian matrix13 Nov 2025US 2025/0347821 A1Institute of Geology and Geophysics, Chinese Academy of Sciences
Most cited
By later US patents
- Systems and methods for electromagnetic waterfront surveillance in a vicinity of an oil well347US 11,035,972 B2Saudi Arabian Oil Company · 2021
- Combined surface and wellbore electromagnetic measurement system and method for determining formation fluid properties76US 6,739,165 B1KJT Enterprises, Inc. · 2004
- System and method for 3D frequency domain waveform inversion based on 3D time-domain forward modeling72US 7,725,266 B2BP Corporation North America Inc. · 2010
- Method and apparatus for determining the content of subterranean reservoirs63US 6,628,119 B1Den Norske Stats Oljeselskap A.S. · 2003
- Electromagnetic surveying for hydrocarbon reservoirs63US 7,126,338 B2Statoil ASA · 2006