E21B 21/062
By mixing components
Official title: {by mixing components}
E21B21/062 (By mixing components) appears on 535 US grants and 596 published applications in this corpus.
Search patents in E21B- Granted patents
- 535
- Published applications
- 596
- Assignees
- 202
- Inventors
- 1,103
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 3 |
| 2002 | 2 | 4 |
| 2003 | 3 | 3 |
| 2004 | 3 | 3 |
| 2005 | 1 | 0 |
| 2006 | 2 | 9 |
| 2007 | 4 | 6 |
| 2008 | 2 | 15 |
| 2009 | 12 | 19 |
| 2010 | 10 | 19 |
| 2011 | 7 | 13 |
| 2012 | 7 | 15 |
| 2013 | 12 | 24 |
| 2014 | 17 | 33 |
| 2015 | 20 | 30 |
| 2016 | 25 | 53 |
| 2017 | 32 | 61 |
| 2018 | 23 | 35 |
| 2019 | 44 | 44 |
| 2020 | 54 | 68 |
| 2021 | 51 | 30 |
| 2022 | 43 | 28 |
| 2023 | 50 | 32 |
| 2024 | 25 | 16 |
| 2025 | 24 | 16 |
| 2026 | 16 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Monitoring drilling rig operations29 Sep 2026US 12,747,660 B1Saudi Arabian Oil Company
- System and method for responsively injecting chemistries directly into a downhole slurry8 Sep 2026US 12,729,590 B2Sentinel Solutions LLC
- Systems and methods for wellbore drilling utilizing a thermochemical sulfate reduction (TSR) proxy25 Aug 2026US 12,716,349 B2Saudi Arabian Oil Company
- Method for mitigating barite sag in water-based mud with thermochemical fluid11 Aug 2026US 12,704,032 B2King Fahd University of Petroleum and Minerals
- Containerized system for mixing dry additives with bulk material30 Jun 2026US 12,667,815 B2Halliburton Energy Services.Inc.
- Drilling mud and method of making drilling mud having an unrefined petroleum product8 Oct 2026US 2026/0308439 A14 Oaks Solutions LLC
- Emulsifier and preparation method therefor, and oil-based drilling fluid1 Oct 2026US 2026/0297414 A1China Petroleum & Chemical Corporation
- Monitoring drilling rig operations1 Oct 2026US 2026/0298067 A1Saudi Arabian Oil Company
- Emulsifiers, drilling fluids, and methods of making and using the same24 Sep 2026US 2026/0286207 A1
- Lost Circulation Material Comprising Reclaimed Fiberglass Wind Turbine Blades24 Sep 2026US 2026/0286794 A1Everpoint Services Inc.
Most cited
By later US patents
- Method for continuously mixing fluids517US 5,426,137 AHalliburton Company · 1995
- Systems and methods for routing pressurized fluid305US 8,905,056 B2Halliburton Energy Services.Inc. · 2014
- Automated fracturing system and method256US 10,408,031 B2U.S. Well Services, LLC · 2019
- Combined three-in-one fracturing system252US 7,921,914 B2Hitman Holdings Ltd. · 2011
- Well fracturing systems with electrical motors and methods of use236US 10,246,984 B22019