- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/00 - Compositions for drilling of boreholes or wellsCompositions for treating boreholes or wells, e.g. for completion or for remedial operations
Patent holdings for IPC class C09K 8/00
Total number of patents in this class: 311
10-year publication summary
|
22
|
18
|
14
|
5
|
8
|
7
|
6
|
7
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21114 |
45 |
| Stepan Company | 574 |
16 |
| Saudi Arabian Oil Company | 13681 |
11 |
| BASF SE | 21101 |
10 |
| Schlumberger Technology Corporation | 11102 |
7 |
| Schlumberger Canada Limited | 7451 |
7 |
| Schlumberger Technology B.v. | 5224 |
7 |
| Services Petroliers Schlumberger | 5893 |
7 |
| Baker Hughes Incorporated | 5165 |
6 |
| Schlumberger Holdings Limited | 2773 |
5 |
| Aramco Services Company | 4110 |
5 |
| Prad Research and Development Limited | 2687 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3517 |
4 |
| Shell Oil Company | 2121 |
4 |
| CARBO Ceramics Inc. | 233 |
4 |
| Flotek Chemistry, LLC | 116 |
4 |
| Fritz Industries, Inc. | 10 |
4 |
| M-I L.L.C. | 805 |
4 |
| 3m Innovative Properties Company | 17653 |
3 |
| Dow Global Technologies LLC | 10587 |
3 |
| Other owners | 150 |