- 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: 729
10-year publication summary
|
55
|
55
|
56
|
49
|
31
|
37
|
25
|
26
|
28
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20949 |
141 |
| Schlumberger Technology Corporation | 10820 |
108 |
| Schlumberger Canada Limited | 7350 |
59 |
| Services Petroliers Schlumberger | 5817 |
57 |
| Schlumberger Technology B.v. | 5181 |
53 |
| Baker Hughes Incorporated | 5259 |
37 |
| Schlumberger Holdings Limited | 2813 |
25 |
| Baker Hughes Oilfield Operations, LLC | 2308 |
24 |
| Prad Research and Development Limited | 2692 |
23 |
| Visuray Intech Ltd (BVI) | 25 |
17 |
| Saudi Arabian Oil Company | 13295 |
14 |
| Baker Hughes, a GE Company, LLC | 2110 |
13 |
| GE Oil & Gas Logging Services, Inc. | 13 |
7 |
| China Petroleum & Chemical Corporation | 1905 |
6 |
| Scientific Drilling International, Inc. | 168 |
6 |
| Troxler Electronic Laboratories, Inc. | 76 |
5 |
| Vale S.A. | 272 |
5 |
| Chevron U.S.A. Inc. | 3972 |
4 |
| Geoquest Systems B.V. | 763 |
4 |
| Motive Drilling Technologies, Inc. | 103 |
4 |
| Other owners | 117 |