E21B 41/0064
Carbon dioxide sequestration
Official title: {Carbon dioxide sequestration (storing fluids in porous layers B65G5/005)}
E21B41/0064 (Carbon dioxide sequestration) appears on 366 US grants and 551 published applications in this corpus.
Search patents in E21B- Granted patents
- 366
- Published applications
- 551
- Assignees
- 215
- Inventors
- 1,094
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 4 |
| 2003 | 2 | 5 |
| 2004 | 3 | 7 |
| 2005 | 3 | 5 |
| 2006 | 2 | 9 |
| 2007 | 6 | 12 |
| 2008 | 5 | 24 |
| 2009 | 6 | 16 |
| 2010 | 18 | 31 |
| 2011 | 6 | 20 |
| 2012 | 21 | 21 |
| 2013 | 20 | 15 |
| 2014 | 13 | 11 |
| 2015 | 15 | 13 |
| 2016 | 8 | 10 |
| 2017 | 6 | 10 |
| 2018 | 13 | 7 |
| 2019 | 9 | 8 |
| 2020 | 7 | 14 |
| 2021 | 12 | 13 |
| 2022 | 11 | 17 |
| 2023 | 21 | 62 |
| 2024 | 36 | 80 |
| 2025 | 63 | 89 |
| 2026 | 51 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for injecting carbon dioxide into underground, method for evaluating same, and method for producing same6 Oct 2026US 12,753,676 B2Kyushu University, National University Corporation
- Surface treatment compositions used for carbon sequestration, hydraulic fracturing and increasing oil production from a subterranean formation, and method of hydraulic fracturing29 Sep 2026US 12,747,386 B2Aculon, Inc.
- Systems and methods for determining reactivity indices for carbon dioxide sequestration29 Sep 2026US 12,747,651 B2Schlumberger Technology Corporation
- Caprock analysis methods and systems22 Sep 2026US 12,742,903 B2Saudi Arabian Oil Company
- Apparatus and method for CO2 microbubble flooding15 Sep 2026US 12,734,490 B2Dalian University of Technology
- Processes and systems to capture carbon dioxide8 Oct 2026US 2026/0309006 A1Arelac, Inc.
- Method Of Abating Carbon Dioxide And Hydrogen Sulfide1 Oct 2026US 2026/0295509 A1Barnard College
- Optimizing co2 geosequestration with responsive tracers24 Sep 2026US 2026/0286812 A1Saudi Arabian Oil Company
- Pore volume uncertainty analysis for carbon capture and sequestration24 Sep 2026US 2026/0287774 A1Saudi Arabian Oil Company
- Method of generating energy from sequestered supercritical carbon dioxide17 Sep 2026US 2026/0275831 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Process for recovering methane and/or sequestering fluids405US 6,412,559 B1Alberta Research Council · 2002
- Method for dumping and disposing of carbon dioxide gas and apparatus therefor300US 5,261,490 ANKK Corporation · 1993
- Method for treating a mixture of gaseous fluids within a solid carbonaceous subterranean formation299US 5,439,054 AAmoco Corporation · 1995
- Method for disposing of unwanted gaseous fluid components within a solid carbonaceous subterranean formation296US 5,454,666 AAmoco Corporation · 1995
- Method for recovering methane from a solid carbonaceous subterranean formation288US 5,566,756 AAmoco Corporation · 1996