C09K 2208/22
Hydrates inhibition by using well treatment fluids containing inhibitors of hydrate formers
C09K2208/22 (Hydrates inhibition by using well treatment fluids containing inhibitors of hydrate formers) appears on 359 US grants and 376 published applications in this corpus.
Search patents in C09K- Granted patents
- 359
- Published applications
- 376
- Assignees
- 147
- Inventors
- 747
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 13 | 0 |
| 2001 | 12 | 0 |
| 2002 | 9 | 3 |
| 2003 | 3 | 5 |
| 2004 | 2 | 11 |
| 2005 | 3 | 9 |
| 2006 | 2 | 9 |
| 2007 | 6 | 4 |
| 2008 | 8 | 10 |
| 2009 | 2 | 9 |
| 2010 | 5 | 9 |
| 2011 | 10 | 6 |
| 2012 | 4 | 16 |
| 2013 | 3 | 11 |
| 2014 | 11 | 21 |
| 2015 | 11 | 22 |
| 2016 | 17 | 36 |
| 2017 | 24 | 25 |
| 2018 | 23 | 36 |
| 2019 | 24 | 18 |
| 2020 | 26 | 29 |
| 2021 | 26 | 34 |
| 2022 | 23 | 18 |
| 2023 | 15 | 12 |
| 2024 | 17 | 9 |
| 2025 | 13 | 10 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Radiation activated well treatment7 Apr 2026US 12,595,407 B2Saudi Arabian Oil Company
- Copolymers and terpolymers of post modified polyacrylates as efficient gas hydrate inhibitors31 Mar 2026US 12,590,179 B2Saudi Arabian Oil Company
- Extended release colloidal scale inhibitor25 Nov 2025US 12,480,034 B2ChampionX LLC
- Composition that can be used to delay the formation of gas hydrates4 Nov 2025US 12,460,122 B2Arkema France
- Use of zirconium salts as scale inhibitor squeeze enhancers21 Oct 2025US 12,448,560 B2Halliburton Energy Services.Inc.
- Degradable rubber composition, rubber member, sealing member, and method for producing degradable rubber composition3 Sep 2026US 2026/0258220 A1Kokoku Intech Co., Ltd.
- Recoverable organic-inorganic hybrid nanoparticles, gas hydrate inhibitor having the same, and preparing method thereof13 Aug 2026US 2026/0234463 A1Gwangju Institute of Science and Technology
- Systems and methods for monitoring hydrate inhibitor concentration in aqueous solutions23 Jul 2026US 2026/0210825 A1Cameron International Corporation
- Extended release scale inhibitors containing amine functionalized silica9 Apr 2026US 2026/0098201 A1ChampionX LLC
- Combination products containing anti-agglomerant low dose hydrate inhibitors and corrosion inhibitors with improved corrosion resistance20 Nov 2025US 2025/0354050 A1ChampionX LLC
Most cited
By later US patents
- Grafted polymers as gas hydrate inhibitors123US 6,867,262 B1BASF SE · 2005
- Gas hydrate inhibition110US 5,076,364 AShell Oil Company · 1991
- Nanofluids and methods of use for drilling and completion fluids104US 8,822,386 B2Baker Hughes Incorporated · 2014
- Well service composition and method96US 6,756,345 B2BJ Services Company · 2004
- Method for inhibiting the plugging of conduits by gas hydrates87US 5,460,728 AShell Oil Company · 1995