E21B 43/025
Consolidation of loose sand or the like round the wells without excessively
Official title: {Consolidation of loose sand or the like round the wells without excessively decreasing the permeability thereof}
E21B43/025 (Consolidation of loose sand or the like round the wells without excessively) appears on 241 US grants and 145 published applications in this corpus.
Search patents in E21B- Granted patents
- 241
- Published applications
- 145
- Assignees
- 66
- Inventors
- 396
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 2 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 15 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 6 |
| 2003 | 8 | 6 |
| 2004 | 8 | 7 |
| 2005 | 3 | 7 |
| 2006 | 5 | 1 |
| 2007 | 3 | 6 |
| 2008 | 3 | 6 |
| 2009 | 2 | 8 |
| 2010 | 7 | 13 |
| 2011 | 3 | 2 |
| 2012 | 1 | 6 |
| 2013 | 5 | 8 |
| 2014 | 5 | 7 |
| 2015 | 11 | 8 |
| 2016 | 4 | 10 |
| 2017 | 7 | 6 |
| 2018 | 2 | 8 |
| 2019 | 10 | 5 |
| 2020 | 8 | 7 |
| 2021 | 4 | 3 |
| 2022 | 12 | 5 |
| 2023 | 2 | 4 |
| 2024 | 4 | 1 |
| 2025 | 2 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for consolidating sand in hydrocarbon reservoirs26 Aug 2025US 12,398,311 B1King Fahd University of Petroleum and Minerals
- Blowing agent incorporated resin systems for consolidating subterranean oil and gas bearing formations6 May 2025US 12,291,672 B2Saudi Arabian Oil Company
- Diluent with glycol ether for solids-control fluid in a wellbore24 Sep 2024US 12,098,322 B2Halliburton Energy Services.Inc.
- Sand consolidation using asphaltene/tar with solvents and adsorption system21 May 2024US 11,987,747 B2Saudi Arabian Oil Company
- Sand consolidation by enzyme mediated calcium carbonate precipitation30 Apr 2024US 11,970,659 B2Saudi Arabian Oil Company
- Material and method of joining sand control screen assembly2 Apr 2026US 2026/0092510 A1Halliburton Energy Services.Inc.
- Furfuryl alcohol monomer consolidation treatment25 Dec 2025US 2025/0388801 A1Halliburton Energy Services.Inc.
- Ground property adjustment method and hydrocarbon recovery method using the same28 Aug 2025US 2025/0270439 A1Japan Organization for Metals and Energy Security
- Blowing agent incorporated resin systems for consolidating subterranean oil and gas bearing formations24 Jul 2025US 2025/0236783 A1Saudi Arabian Oil Company
- Diluent with glycol ether for solids-control fluid in a wellbore25 Jul 2024US 2024/0247177 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Control of particulate flowback in subterranean wells341US 5,833,000 AHalliburton Energy Services.Inc. · 1998
- Control of fine particulate flowback in subterranean wells335US 5,853,048 AHalliburton Energy Services, Inc. · 1998
- Control of particulate flowback in subterranean wells303US 6,047,772 AHalliburton Energy Services.Inc. · 2000
- Control of fine particulate flowback in subterranean wells260US 5,775,425 AHalliburton Energy Services, Inc. · 1998
- Resin composition and methods of consolidating particulate solids in wells with or without closure pressure258US 6,311,773 B1Halliburton Energy Services.Inc. · 2001