E21B 43/283
In association with a fracturing process
Official title: {in association with a fracturing process}
E21B43/283 (In association with a fracturing process) appears on 82 US grants and 81 published applications in this corpus.
Search patents in E21B- Granted patents
- 82
- Published applications
- 81
- Assignees
- 46
- Inventors
- 189
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 4 |
| 2014 | 1 | 2 |
| 2015 | 2 | 8 |
| 2016 | 3 | 5 |
| 2017 | 2 | 3 |
| 2018 | 2 | 4 |
| 2019 | 5 | 7 |
| 2020 | 2 | 6 |
| 2021 | 7 | 5 |
| 2022 | 3 | 5 |
| 2023 | 7 | 7 |
| 2024 | 6 | 6 |
| 2025 | 5 | 8 |
| 2026 | 10 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Using electrical reservoir stimulation to engineer a geologic battery for long-term energy storage and hydrogen generation18 Aug 2026US 12,709,969 B2Eden GeoPower, Inc.
- Method and system to create a tortuous flow path28 Jul 2026US 12,692,771 B2Schlumberger Technology Corporation
- Fracturing hot rock9 Jun 2026US 12,650,247 B2
- Downhole methods and compositions used in such2 Jun 2026US 12,644,040 B2Dorf Ketal Chemicals Fze
- Downhole methods and compositions used in such2 Jun 2026US 12,644,041 B2Dorf Ketal Chemicals Fze
- Fracturing Hot Rock17 Sep 2026US 2026/0276245 A1
- Method and system to create a tortuous flow path23 Jul 2026US 2026/0210217 A1Schlumberger Technology Corporation
- In situ leach mining using electrical reservoir stimulation18 Jun 2026US 2026/0168369 A1Eden GeoPower, Inc.
- Methods of improved cavern rubblization for enhanced potash recovery9 Apr 2026US 2026/0098463 A1
- Method and Materials for Employing Fractures in Mining Operations12 Mar 2026US 2026/0071529 A1Quidnet Energy Inc.
Most cited
By later US patents
- Nahcolite solution mining process139US 4,815,790 ANatec, Inc. · 1989
- Method of in-situ leaching of ores117US 4,634,187 AISL Ventures, Inc. · 1987
- Sodium carbonate and sodium bicarbonate production from nahcolitic oil shale86US 6,609,761 B1American Soda, LLP · 2003
- Retrogressively in-situ ore body chemical mining system and method72US 4,221,433 AOccidental Minerals Corporation · 1980
- In-situ chemical reactor for recovery of metals or purification of salts43US 6,030,048 ATarim Associates for Scientific Mineral and Oil Exploration AG · 2000