- All sections
- G - Physics
- G01V - Geophysics; gravitational measurements; detecting masses or objects; tags
- G01V 5/12 - Prospecting or detecting by the use of nuclear 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: 675
10-year publication summary
|
38
|
61
|
58
|
62
|
56
|
33
|
39
|
26
|
26
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20165 |
130 |
| Schlumberger Technology Corporation | 9690 |
94 |
| Schlumberger Canada Limited | 6913 |
48 |
| Services Petroliers Schlumberger | 5426 |
45 |
| Schlumberger Technology B.v. | 4951 |
42 |
| Baker Hughes Incorporated | 5689 |
38 |
| Schlumberger Holdings Limited | 2947 |
25 |
| Prad Research and Development Limited | 2696 |
23 |
| Visuray Intech Ltd (BVI) | 25 |
18 |
| Baker Hughes Oilfield Operations, LLC | 1885 |
18 |
| Saudi Arabian Oil Company | 11322 |
13 |
| Teague, Philip | 21 |
13 |
| Baker Hughes, a GE Company, LLC | 2171 |
13 |
| GE Oil & Gas Logging Services, Inc. | 13 |
7 |
| China Petroleum & Chemical Corporation | 1623 |
6 |
| Scientific Drilling International, Inc. | 161 |
6 |
| Stewart, Alex | 12 |
6 |
| Troxler Electronic Laboratories, Inc. | 86 |
5 |
| Vale S.A. | 262 |
5 |
| Chevron U.S.A. Inc. | 3774 |
4 |
| Other owners | 116 |