C09K 2208/26
Gel breakers other than bacteria or enzymes
C09K2208/26 (Gel breakers other than bacteria or enzymes) appears on 529 US grants and 697 published applications in this corpus.
Search patents in C09K- Granted patents
- 529
- Published applications
- 697
- Assignees
- 168
- Inventors
- 950
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 4 |
| 2004 | 2 | 7 |
| 2005 | 6 | 13 |
| 2006 | 7 | 21 |
| 2007 | 12 | 16 |
| 2008 | 6 | 36 |
| 2009 | 10 | 10 |
| 2010 | 21 | 35 |
| 2011 | 22 | 21 |
| 2012 | 19 | 19 |
| 2013 | 24 | 21 |
| 2014 | 16 | 30 |
| 2015 | 20 | 30 |
| 2016 | 16 | 68 |
| 2017 | 28 | 80 |
| 2018 | 57 | 65 |
| 2019 | 58 | 46 |
| 2020 | 52 | 53 |
| 2021 | 36 | 38 |
| 2022 | 40 | 21 |
| 2023 | 24 | 19 |
| 2024 | 15 | 19 |
| 2025 | 16 | 15 |
| 2026 | 10 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Succinic anhydride-derived polyesters as corrosion inhibitors25 Aug 2026US 12,716,028 B2Ecolab USA Inc.
- Compositions and methods for breaking foams and emulsions11 Aug 2026US 12,703,822 B2Chevron U.S.A.Inc.
- Subterranean formations14 Jul 2026US 12,680,015 B2Independence Oilfield Chemicals LLC
- Low concentration synthetic polymer fracturing fluid with ascorbic acid26 May 2026US 12,637,610 B2Beijing Huamei, Inc.
- Injection fluids for stimulating fractured formations12 May 2026US 12,624,277 B2Chevron U.S.A.Inc.
- Subterranean formations24 Sep 2026US 2026/0286215 A1Independence Oilfield Chemicals LLC
- Filter cake removal compositions and related wellbore methods21 May 2026US 2026/0139182 A1Halliburton Energy Services.Inc.
- Injection fluids comprising an anionic surfactant for treating unconventional formations9 Apr 2026US 2026/0098204 A1Chevron U.S.A.Inc.
- 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
- Viscosity reduction of viscoelastic surfactant based fluids130US 6,881,709 B2Schlumberger Technology Corporation · 2005
- Method and composition for removing filter cake119US 7,855,168 B2Schlumberger Technology Corporation · 2010
- Controlled gel breaker106US 5,807,812 AClearwater, Inc. · 1998
- Gelled water epoxy sand consolidation system98US 4,199,484 AHalliburton Company · 1980
- Method for treating subterranean formation98US 6,840,318 B2Schlumberger Technology Corporation · 2005