- All sections
- E - Fixed constructions
- E21B - Earth or rock drillingobtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B 7/24 - Drilling using vibrating or oscillating means, e.g. out-of-balance masses
Patent holdings for IPC class E21B 7/24
Total number of patents in this class: 473
10-year publication summary
|
36
|
32
|
38
|
34
|
29
|
22
|
29
|
17
|
6
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20977 |
36 |
| Thru Tubing Solutions, Inc. | 379 |
30 |
| National Oilwell Varco, L.P. | 1690 |
20 |
| Flexidrill Limited | 46 |
18 |
| Schlumberger Technology Corporation | 10914 |
17 |
| Impulse Downhole Solutions Ltd. | 55 |
16 |
| ITI Scotland Limited | 151 |
16 |
| Helmerich & Payne Technologies, LLC | 104 |
12 |
| Schlumberger Canada Limited | 7373 |
10 |
| National Oilwell DHT, L.P. | 123 |
9 |
| Services Petroliers Schlumberger | 5835 |
9 |
| Schlumberger Technology B.v. | 5189 |
8 |
| Terra Sonic International, LLC | 36 |
8 |
| Nabors Drilling Technologies USA, Inc. | 562 |
6 |
| Quaise Energy, Inc. | 18 |
6 |
| Schlumberger Holdings Limited | 2800 |
5 |
| Anderson, Charles Abernethy | 11 |
5 |
| KLX Energy Services LLC | 75 |
5 |
| Prad Research and Development Limited | 2690 |
5 |
| Scientific Drilling International, Inc. | 168 |
5 |
| Other owners | 227 |