E21B 43/129
Adaptations of down-hole pump systems powered by fluid supplied from outside the
Official title: {Adaptations of down-hole pump systems powered by fluid supplied from outside the borehole (gas-lift E21B43/122; jet pumps E21B43/124)}
E21B43/129 (Adaptations of down-hole pump systems powered by fluid supplied from outside the) appears on 224 US grants and 197 published applications in this corpus.
Search patents in E21B- Granted patents
- 224
- Published applications
- 197
- Assignees
- 124
- Inventors
- 414
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
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| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 3 |
| 2003 | 5 | 6 |
| 2004 | 5 | 5 |
| 2005 | 3 | 6 |
| 2006 | 3 | 12 |
| 2007 | 7 | 4 |
| 2008 | 3 | 7 |
| 2009 | 5 | 7 |
| 2010 | 8 | 7 |
| 2011 | 4 | 8 |
| 2012 | 6 | 6 |
| 2013 | 6 | 10 |
| 2014 | 4 | 6 |
| 2015 | 2 | 10 |
| 2016 | 8 | 9 |
| 2017 | 3 | 15 |
| 2018 | 6 | 8 |
| 2019 | 13 | 11 |
| 2020 | 21 | 4 |
| 2021 | 8 | 13 |
| 2022 | 10 | 13 |
| 2023 | 15 | 4 |
| 2024 | 7 | 11 |
| 2025 | 9 | 6 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low-cost downhole gas lift system for non-gas lift tubing21 Jul 2026US 12,687,093 B2Schlumberger Technology Corporation
- Fracturing pump arrangement using a plunger with an internal fluid passage28 Apr 2026US 12,612,904 B2Kerr Machine Co.
- Floatless pumps and control systems21 Apr 2026US 12,607,105 B2Nextech Environmental, LLC
- System for capturing and deploying natural gas from wellhead of oil and gas wells7 Apr 2026US 12,595,724 B1AAA Partners, LLC
- Golf-type gas lift ball, gas lift oil recovery device, control system, and control method17 Mar 2026US 12,577,860 B2
- Downhole Pump23 Jul 2026US 2026/0210220 A1
- Downhole Pump23 Jul 2026US 2026/0210222 A1
- Pneumatic Pump Cycle Counter25 Jun 2026US 2026/0176959 A1Shady Grove Road Investments, LLC
- Fluid lifting system to be placed in a fluid production well, related fluid production installation and process12 Feb 2026US 2026/0043318 A1Totalenergies Onetech
- Pneumatic Pump Cycle Counter12 Feb 2026US 2026/0043327 A1
Most cited
By later US patents
- Gas operated pump for hydrocarbon wells90US 6,973,973 B2Weatherford/Lamb, Inc. · 2005
- Subsea production system79US 7,093,661 B2Aker Kvaerner Subsea AS · 2006
- Gas operated pump for hydrocarbon wells72US 7,311,152 B2Weatherford/Lamb, Inc. · 2007
- Gas operated pump for hydrocarbon wells70US 7,445,049 B2Weatherford/Lamb, Inc. · 2008
- Well production apparatus and method63US 6,454,010 B1Pan Canadian Petroleum Limited · 2002