G01V 5/14
Using a combination of several sources
Official title: using a combination of several sources, e.g. a neutron and a gamma source
G01V5/14 (Using a combination of several sources) appears on 32 US grants and 35 published applications in this corpus.
Search patents in G01V- Granted patents
- 32
- Published applications
- 35
- Assignees
- 18
- Inventors
- 87
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 6 |
| 2017 | 3 | 0 |
| 2018 | 2 | 2 |
| 2019 | 1 | 8 |
| 2020 | 3 | 2 |
| 2021 | 4 | 1 |
| 2022 | 2 | 1 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Neutron absorbing dopant for reducing borehole fluid background in geochemical logging27 Jan 2026US 12,535,613 B2Halliburton Energy Services.Inc.
- Creation of near bit gamma ray image from a gamma ray curve20 Aug 2024US 12,066,590 B2Saudi Arabian Oil Company
- Data fusion enhanced multi-modality wellbore integrity inspection system10 Oct 2023US 11,782,181 B2GE Energy Oilfield Technology, Inc.
- Computer-implemented method of using a non-transitory computer readable memory device with a pre programmed neural network and a trained neural network computer program product for obtaining a true borehole sigma and a true formation sigma18 Jul 2023US 11,703,611 B2China Petroleum & Chemical Corporation
- Apply multi-physics principle for well integrity evaluation in a multi-string configuration25 Oct 2022US 11,480,051 B2Halliburton Energy Services.Inc.
- Variable energy neutron well logging30 Jul 2026US 2026/0219416 A1Halliburton Energy Services.Inc.
- System and Method for Automatic Petrophysical Logs Alignment9 Jul 2026US 2026/0194683 A1Saudi Arabian Oil Company
- Neutron absorbing dopant for reducing borehole fluid background in geochemical logging21 May 2026US 2026/0140275 A1Halliburton Energy Services.Inc.
- Neutron Absorbing Dopant For Reducing Borehole Fluid Background In Geochemical Logging10 Jul 2025US 2025/0224536 A1Halliburton Energy Services.Inc.
- Creation of near bit gamma ray image from a gamma ray curve12 Oct 2023US 2023/0324580 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Well logging analysis methods for use in complex lithology reservoirs21US 4,617,825 AHalliburton Company · 1986
- Method and apparatus for determining in situ hydrocarbon characteristics including hydrogen density12US 4,416,151 ASchlumberger Technology Corporation · 1983
- Dual spaced, borehole compensated neutron well logging instrument10US 3,942,004 AApplied Inventions Corporation · 1976
- Method for determining porosity in an invaded gas reservoir10US 5,684,299 ASchlumberger Technology Corporation · 1997
- Gamma ray detectors having azimuthal sensitivity9US 8,455,812 B2Baker Hughes Incorporated · 2013