E21B 34/107
The retrievable element being an operating or controlling means retrievable separately from
Official title: {the retrievable element being an operating or controlling means retrievable separately from the closure member, e.g. pilot valve landed into a side pocket (E21B34/106 takes precedence)}
E21B34/107 (The retrievable element being an operating or controlling means retrievable separately from) appears on 41 US grants and 22 published applications in this corpus.
Search patents in E21B- Granted patents
- 41
- Published applications
- 22
- Assignees
- 16
- Inventors
- 70
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 3 |
| 2013 | 0 | 2 |
| 2014 | 3 | 4 |
| 2015 | 2 | 0 |
| 2016 | 2 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 4 |
| 2019 | 1 | 0 |
| 2020 | 3 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Deep-set insert valve using magnetic coupling25 Aug 2026US 12,716,326 B2Halliburton Energy Services.Inc.
- Contingency sealing option for surface controlled flow control device31 Mar 2026US 12,590,516 B2Silverwell Technology Limited
- Subsurface safety valves, isolation tools, and methods of coupling23 Jul 2024US 12,044,103 B2Saudi Arabian Oil Company
- Valve system1 Feb 2022US 11,236,592 B2Petroleum Technology Company AS
- Systems and apparatuses for separating wellbore fluids and solids during production14 Jul 2020US 10,711,588 B2Heal Systems LP
- Contingency sealing option for surface controlled flow control device20 Nov 2025US 2025/0354464 A1Silverwell Technology Limited
- Deep-Set Insert Valve Using Magnetic Coupling25 Sep 2025US 2025/0297530 A1Halliburton Energy Services.Inc.
- Subsurface safety valves, isolation tools, and methods of coupling13 Jun 2024US 2024/0191598 A1Saudi Arabian Oil Company
- Valve system12 Nov 2020US 2020/0355050 A1Petroleum Technology Company AS
- Systems and apparatuses for separating wellbore fluids and solids during production26 Apr 2018US 2018/0112508 A1Heal Systems LP
Most cited
By later US patents
- Sand control method and apparatus114US 6,446,729 B1Schlumberger Technology Corporation · 2002
- Apparatus and method for controlling fluid flow with sand control84US 6,343,651 B12002
- Surface controlled sub-surface safety valve46US 4,119,146 AOtis Engineering Corporation · 1978
- Method and apparatus of locking closed a subsurface safety system45US 5,165,480 ACamco International Inc. · 1992
- Surface controlled subsurface safety valve44US 4,667,736 AOtis Engineering Corporation · 1987