E21B 33/136
Baskets
Official title: Baskets, e.g. of umbrella type
E21B33/136 (Baskets) appears on 43 US grants and 39 published applications in this corpus.
Search patents in E21B- Granted patents
- 43
- Published applications
- 39
- Assignees
- 21
- Inventors
- 88
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 4 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 4 |
| 2012 | 1 | 1 |
| 2013 | 2 | 4 |
| 2014 | 1 | 1 |
| 2015 | 2 | 4 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 5 | 3 |
| 2019 | 1 | 3 |
| 2020 | 1 | 1 |
| 2021 | 7 | 2 |
| 2022 | 2 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for delivering and setting a eutectic alloy plug to cure loss-of-circulation in drilling applications8 Jul 2025US 12,352,118 B1Saudi Arabian Oil Company
- Unidirectional cementing baskets for cement top jobs4 Mar 2025US 12,241,334 B2Saudi Arabian Oil Company
- Downhole retainer15 Oct 2024US 12,116,866 B2Isol8 (Holdings) Limited
- Cement top job with non-retrievable tubing2 Jan 2024US 11,859,465 B2Saudi Arabian Oil Company
- Apparatus for use in well abandonment13 Dec 2022US 11,525,329 B2BiSN Tec Ltd
- Sealing basket27 Aug 2026US 2026/0251032 A1Abu Dhabi Company for Offshore Petroleum Operations Limited
- Method and apparatus for delivering and setting a eutectic alloy plug to cure loss-of-circulation in drilling applications10 Jul 2025US 2025/0223878 A1Saudi Arabian Oil Company
- Unidirectional cementing baskets for cement top jobs21 Nov 2024US 2024/0384622 A1Saudi Arabian Oil Company
- Cement top job with non-retrievable tubing8 Jun 2023US 2023/0175348 A1Saudi Arabian Oil Company
- Downhole retainer1 Sep 2022US 2022/0275706 A1Isol8 (Holdings) Limited
Most cited
By later US patents
- Method and system for reducing longitudinal fluid flow around a permeable well89US 7,059,410 B2Shell Oil Company · 2006
- Combination cementing shoe and basket87US 4,469,174 AHalliburton Company · 1984
- Method and apparatus for plugging wells67US 6,454,001 B1Halliburton Energy Services.Inc. · 2002
- Method of creating a zonal isolation in an underground wellbore64US 7,527,095 B2Shell Oil Company · 2009
- Method and apparatus for maintaining a fluid column in a wellbore annulus61US 6,622,798 B1Halliburton Energy Services.Inc. · 2003