E21B 41/0057
Disposal of a fluid by injection into a subterranean formation
Official title: {Disposal of a fluid by injection into a subterranean formation}
E21B41/0057 (Disposal of a fluid by injection into a subterranean formation) appears on 685 US grants and 824 published applications in this corpus.
Search patents in E21B- Granted patents
- 685
- Published applications
- 824
- Assignees
- 293
- Inventors
- 1,496
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 3 |
| 2002 | 9 | 88 |
| 2003 | 15 | 25 |
| 2004 | 53 | 17 |
| 2005 | 22 | 7 |
| 2006 | 18 | 15 |
| 2007 | 7 | 17 |
| 2008 | 7 | 32 |
| 2009 | 11 | 21 |
| 2010 | 25 | 35 |
| 2011 | 7 | 23 |
| 2012 | 26 | 24 |
| 2013 | 28 | 19 |
| 2014 | 19 | 18 |
| 2015 | 15 | 23 |
| 2016 | 11 | 13 |
| 2017 | 12 | 17 |
| 2018 | 20 | 14 |
| 2019 | 15 | 14 |
| 2020 | 16 | 28 |
| 2021 | 27 | 24 |
| 2022 | 20 | 32 |
| 2023 | 27 | 75 |
| 2024 | 47 | 88 |
| 2025 | 77 | 100 |
| 2026 | 56 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- In situ recovery from a kerogen and liquid hydrocarbon containing formation332US 7,011,154 B2Shell Oil Company · 2006
- In situ thermal processing of a hydrocarbon containing formation using a selected production well spacing311US 6,712,136 B2Shell Oil Company · 2004
- Disposal of produced formation fines during oil recovery300US 4,787,452 AMobil Oil Corporation · 1988
- Method for dumping and disposing of carbon dioxide gas and apparatus therefor300US 5,261,490 ANKK Corporation · 1993