- All sections
- G - Physics
- G01V - Geophysicsgravitational measurementsdetecting masses or objectstags
- G01V 5/12 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using gamma- or X-ray sources
Patent holdings for IPC class G01V 5/12
Total number of patents in this class: 762
10-year publication summary
|
58
|
62
|
57
|
33
|
38
|
26
|
27
|
30
|
38
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21320 |
145 |
| Schlumberger Technology Corporation | 11798 |
113 |
| Schlumberger Canada Limited | 7606 |
64 |
| Services Petroliers Schlumberger | 6024 |
61 |
| Schlumberger Technology B.v. | 5298 |
56 |
| Baker Hughes Incorporated | 4940 |
37 |
| Baker Hughes Oilfield Operations, LLC | 2521 |
26 |
| Schlumberger Holdings Limited | 2702 |
25 |
| Prad Research and Development Limited | 2662 |
23 |
| Saudi Arabian Oil Company | 14207 |
14 |
| Baker Hughes, a GE Company, LLC | 2057 |
13 |
| Visuray Technology Ltd | 23 |
11 |
| Visuray Technology Ltd. | 13 |
9 |
| China Petroleum & Chemical Corporation | 2147 |
7 |
| GE Oil & Gas Logging Services, Inc. | 12 |
6 |
| Scientific Drilling International, Inc. | 171 |
6 |
| Visuray Intech Ltd (BVI) | 9 |
6 |
| Geoquest Systems B.V. | 871 |
5 |
| Troxler Electronic Laboratories, Inc. | 82 |
5 |
| Vale S.A. | 262 |
5 |
| Other owners | 125 |