E21B 33/1275
Inflated by down-hole pumping means operated by a down-hole drive
Official title: {inflated by down-hole pumping means operated by a down-hole drive}
E21B33/1275 (Inflated by down-hole pumping means operated by a down-hole drive) appears on 87 US grants and 59 published applications in this corpus.
Search patents in E21B- Granted patents
- 87
- Published applications
- 59
- Assignees
- 32
- Inventors
- 125
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 2 |
| 2002 | 1 | 2 |
| 2003 | 2 | 4 |
| 2004 | 2 | 5 |
| 2005 | 3 | 4 |
| 2006 | 5 | 3 |
| 2007 | 2 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 3 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 5 |
| 2018 | 1 | 2 |
| 2019 | 7 | 9 |
| 2020 | 8 | 3 |
| 2021 | 0 | 2 |
| 2022 | 1 | 3 |
| 2023 | 3 | 3 |
| 2024 | 6 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for controlled packer inflation21 Apr 2026US 12,607,088 B1Schlumberger Technology Corporation
- Downhole setting tool and method of use9 Sep 2025US 12,410,694 B2Bn Technology Holdings Inc.
- Well tool pressure compensating system and method4 Feb 2025US 12,215,550 B2Madis XL Ltd.
- Single trip wellbore cleaning and sealing system and method19 Nov 2024US 12,146,384 B2Halliburton Energy Services.Inc.
- Inflatable packer system for submersible well pump24 Sep 2024US 12,098,612 B2Schlumberger Technology Corporation
- Downhole setting tool and method of use5 Dec 2024US 2024/0401448 A1Bn Technology Holdings Inc.
- Well tool pressure compensating system and method14 Nov 2024US 2024/0376787 A1Madis XL Ltd.
- Inflatable packer system for submersible well pump21 Dec 2023US 2023/0407723 A1Schlumberger Technology Corporation
- Single Trip Wellbore Cleaning And Sealing System And Method30 Mar 2023US 2023/0095193 A1Halliburton Energy Services.Inc.
- Single Trip Wellbore Cleaning And Sealing System And Method30 Mar 2023US 2023/0099838 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Well control systems employing downhole network334US 5,959,547 ABaker Hughes Incorporated · 1999
- Sealing well casings248US 5,833,001 ASchlumberger Technology Corporation · 1998
- Monitoring of downhole parameters and tools utilizing fiber optics244US 6,281,489 B1Baker Hughes Incorporated · 2001
- Method for controlling production wells having permanent downhole formation evaluation sensors241US 5,597,042 ABaker Hughes Incorporated · 1997
- Monitoring of downhole parameters and tools utilizing fiber optics241US 6,588,266 B2Baker Hughes Incorporated · 2003