Patent holdings for IPC class E21B 31/107

Total number of patents in this class: 219

10-year publication summary

24
23
17
18
24
15
13
12
9
6
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Impact Selector International, LLC
117
34
Halliburton Energy Services, Inc.
20165
32
Saudi Arabian Oil Company
11322
14
Weatherford Technology Holdings, LLC
2135
10
Thru Tubing Solutions, Inc.
361
9
Rotojar Innovations Limited
29
8
Schlumberger Technology Corporation
9690
6
Schlumberger Canada Limited
6913
5
Flexidrill Limited
53
5
Schlumberger Technology B.v.
4951
4
Aramco Services Company
3504
4
National Oilwell Varco, L.P.
1604
4
Services Petroliers Schlumberger
5426
4
Smith International, Inc.
761
3
KLX Energy Services LLC
75
3
Loxley Holding AS
3
3
Rotojar Limited
3
3
Think and Vision GmbH
28
3
Baker Hughes, a GE Company, LLC
2171
3
Equinor Energy AS
475
3
Other owners 59