C09K 2208/24
Bacteria or enzyme containing gel breakers
C09K2208/24 (Bacteria or enzyme containing gel breakers) appears on 178 US grants and 240 published applications in this corpus.
Search patents in C09K- Granted patents
- 178
- Published applications
- 240
- Assignees
- 71
- Inventors
- 414
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 4 | 3 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 2 | 1 |
| 2008 | 0 | 4 |
| 2009 | 1 | 0 |
| 2010 | 1 | 8 |
| 2011 | 2 | 6 |
| 2012 | 6 | 10 |
| 2013 | 6 | 8 |
| 2014 | 7 | 10 |
| 2015 | 3 | 10 |
| 2016 | 7 | 30 |
| 2017 | 12 | 36 |
| 2018 | 19 | 21 |
| 2019 | 25 | 19 |
| 2020 | 23 | 24 |
| 2021 | 18 | 14 |
| 2022 | 16 | 7 |
| 2023 | 6 | 5 |
| 2024 | 4 | 4 |
| 2025 | 4 | 7 |
| 2026 | 1 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lignin-based compositions and related methods26 May 2026US 12,637,605 B2LignoSol IP Limited
- Fusion proteins, recombinant bacteria, and methods for using recombinant bacteria19 Aug 2025US 12,391,729 B2Spogen Biotech Inc.
- Infused and coated proppant containing chemical treatment agents and methods of using same18 Mar 2025US 12,252,648 B2Carbo Ceramics Inc.
- Monovalent brine-based reservoir drilling fluid18 Feb 2025US 12,227,690 B2Schlumberger Technology Corporation
- Glycosyl hydrolase enzymes in high temperature industrial processes18 Feb 2025US 12,227,695 B2Advanced Enzyme Systems, LLC
- Lignin-based compositions and related methods10 Sep 2026US 2026/0265600 A1LignoSol IP Limited
- Method for in-situ removal of reservoir plugging using microorganisms and in-situ reservoir oil displacement, and iron-reducing bacterium activator25 Jun 2026US 2026/0176523 A1China University of Geosciences (Beijing)
- Microcapsules containing bio-based agents for downhole applications in oil and gas industry and method of their production11 Jun 2026US 2026/0159743 A1Saudi Arabian Oil Company
- Infused and coated proppant containing chemical treatment agents and methods of using same5 Mar 2026US 2026/0062604 A1Carbo Ceramics Inc.
- Application of organic oxidizer and enzyme combination as breaker fluid for filter cake cleanup12 Feb 2026US 2026/0042953 A1Schlumberger Technology Corporation
Most cited
By later US patents
- Fluids and techniques for hydrocarbon well completion191US 6,569,814 B1Schlumberger Technology Corporation · 2003
- Delayed blending of additives in well treatment fluids165US 6,613,720 B1Schlumberger Technology Corporation · 2003
- Pre-treatment methods for polymer-containing fluids129US 6,138,760 ABJ Services Company · 2000
- Fluids and techniques for hydrocarbon well completion103US 6,140,277 ASchlumberger Technology Corporation · 2000
- Methods and compositions for fracturing subterranean formations82US 7,723,272 B2Baker Hughes Incorporated · 2010