G01V 3/32
Operating with electron or nuclear magnetic resonance
Official title: operating with electron or nuclear magnetic resonance
G01V3/32 (Operating with electron or nuclear magnetic resonance) appears on 866 US grants and 760 published applications in this corpus.
Search patents in G01V- Granted patents
- 866
- Published applications
- 760
- Assignees
- 110
- Inventors
- 848
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 10 | 0 |
| 1988 | 9 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 7 | 0 |
| 2000 | 29 | 0 |
| 2001 | 23 | 8 |
| 2002 | 34 | 26 |
| 2003 | 45 | 38 |
| 2004 | 27 | 37 |
| 2005 | 33 | 23 |
| 2006 | 18 | 13 |
| 2007 | 24 | 12 |
| 2008 | 12 | 23 |
| 2009 | 17 | 28 |
| 2010 | 22 | 23 |
| 2011 | 10 | 16 |
| 2012 | 16 | 16 |
| 2013 | 20 | 35 |
| 2014 | 18 | 29 |
| 2015 | 17 | 40 |
| 2016 | 15 | 47 |
| 2017 | 42 | 49 |
| 2018 | 31 | 46 |
| 2019 | 78 | 43 |
| 2020 | 43 | 52 |
| 2021 | 66 | 41 |
| 2022 | 43 | 29 |
| 2023 | 33 | 29 |
| 2024 | 21 | 14 |
| 2025 | 24 | 25 |
| 2026 | 17 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Motion effect detection6 Oct 2026US 12,754,342 B2Schlumberger Technology Corporation
- NMR echo signal correction techniques15 Sep 2026US 12,736,706 B2Schlumberger Technology Corporation
- Apparatus for obtaining nmr measurements of restricted diffusion in two orthogonal directions25 Aug 2026US 12,717,058 B1Vinegar Technologies LLC
- Estimation of paleo-depositional cycles in organic-rich chalk by NMR restricted diffusion11 Aug 2026US 12,704,470 B1Vinegar Technologies LLC
- Geologic pore system characterization framework16 Jun 2026US 12,655,743 B2Schlumberger Technology Corporation
- Characterizing pore size distribution by integrating nmr and acoustic measurements17 Sep 2026US 2026/0276571 A1Schlumberger Technology Corporation
- Techniques for predicting co2 saturation in formations based on nuclear magnetic resonance data3 Sep 2026US 2026/0259344 A1Schlumberger Technology Corporation
- Motion hyperparameter correlation and selection for nuclear magnetic resonance (nmr) motion correction in well systems27 Aug 2026US 2026/0251812 A1Halliburton Energy Services.Inc.
- Nuclear magnetic resonance (nmr) motion correction using mode decomposition in well systems27 Aug 2026US 2026/0251813 A1Halliburton Energy Services.Inc.
- Reduced motion effects of nuclear magnetic resonance (nmr) echo data using machine learning in well systems20 Aug 2026US 2026/0243916 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- NMR logging of natural gas in reservoirs352US 5,498,960 AShell Oil Company · 1996
- NMR imaging of materials350US 4,728,892 AShell Oil Company · 1988
- NMR logging of natural gas reservoirs327US 5,497,087 AShell Oil Company · 1996
- NMR imaging of materials for transport properties322US 4,719,423 AShell Oil Company · 1988
- Determining multiphase saturations by NMR imaging of multiple nuclides313US 4,769,602 AShell Oil Company · 1988