- All sections
- G - Physics
- G01V - Geophysicsgravitational measurementsdetecting masses or objectstags
- G01V 5/14 - 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 a combination of several sources, e.g. a neutron and a gamma source
Patent holdings for IPC class G01V 5/14
Total number of patents in this class: 90
10-year publication summary
|
6
|
1
|
3
|
12
|
4
|
1
|
1
|
3
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20991 |
13 |
| Schlumberger Canada Limited | 7383 |
9 |
| Baker Hughes Incorporated | 5238 |
9 |
| Schlumberger Technology B.v. | 5191 |
8 |
| Services Petroliers Schlumberger | 5838 |
8 |
| Schlumberger Technology Corporation | 10930 |
7 |
| Schlumberger Holdings Limited | 2800 |
5 |
| GE Energy Oilfield Technology, Inc. | 19 |
5 |
| Prad Research and Development Limited | 2690 |
5 |
| General Electric Company | 13856 |
2 |
| China Petroleum & Chemical Corporation | 1921 |
2 |
| Saudi Arabian Oil Company | 13442 |
2 |
| Starfire Industries, LLC | 38 |
2 |
| Baker Hughes Oilfield Operations, LLC | 2344 |
2 |
| Smith International, Inc. | 716 |
1 |
| Australian Nuclear Science & Technology Organisation | 6 |
1 |
| CARBO Ceramics Inc. | 236 |
1 |
| Petroleo Brasileiro S.A. - Petrobras | 867 |
1 |
| Scientific Drilling International, Inc. | 168 |
1 |
| Sinopec Tech Houston, LLC. | 21 |
1 |
| Other owners | 5 |