E21B 23/06
Apparatus for displacing, setting, locking, releasing or removing tools, packers or the
Official title: for setting packers
E21B23/06 (Apparatus for displacing, setting, locking, releasing or removing tools, packers or the) appears on 1,399 US grants and 1,260 published applications in this corpus.
Search patents in E21B- Granted patents
- 1,399
- Published applications
- 1,260
- Assignees
- 308
- Inventors
- 1,980
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 12 | 0 |
| 1978 | 10 | 0 |
| 1979 | 10 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 11 | 0 |
| 1984 | 12 | 0 |
| 1985 | 9 | 0 |
| 1986 | 11 | 0 |
| 1987 | 24 | 0 |
| 1988 | 9 | 0 |
| 1989 | 17 | 0 |
| 1990 | 7 | 0 |
| 1991 | 19 | 0 |
| 1992 | 10 | 0 |
| 1993 | 12 | 0 |
| 1994 | 24 | 0 |
| 1995 | 19 | 0 |
| 1996 | 9 | 0 |
| 1997 | 13 | 0 |
| 1998 | 14 | 0 |
| 1999 | 17 | 0 |
| 2000 | 22 | 0 |
| 2001 | 16 | 4 |
| 2002 | 10 | 8 |
| 2003 | 11 | 20 |
| 2004 | 7 | 10 |
| 2005 | 9 | 20 |
| 2006 | 18 | 13 |
| 2007 | 5 | 24 |
| 2008 | 11 | 19 |
| 2009 | 14 | 19 |
| 2010 | 20 | 38 |
| 2011 | 16 | 33 |
| 2012 | 28 | 36 |
| 2013 | 27 | 43 |
| 2014 | 24 | 49 |
| 2015 | 37 | 100 |
| 2016 | 46 | 79 |
| 2017 | 80 | 54 |
| 2018 | 61 | 74 |
| 2019 | 85 | 76 |
| 2020 | 73 | 82 |
| 2021 | 95 | 102 |
| 2022 | 75 | 101 |
| 2023 | 97 | 77 |
| 2024 | 86 | 93 |
| 2025 | 89 | 56 |
| 2026 | 45 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for attached-anchored casing stub repair6 Oct 2026US 12,753,678 B2Saudi Arabian Oil Company
- Elastomeric wellbore seal with silicon-based polymer29 Sep 2026US 12,747,384 B2Halliburton Energy Services.Inc.
- Plugging device deployment in subterranean wells22 Sep 2026US 12,742,361 B2Thru Tubing Solutions, Inc.
- Latch coupling including unique axial alignment slots15 Sep 2026US 12,735,952 B2Halliburton Energy Services.Inc.
- Using radio isotopes as a triggering element in downhole applications8 Sep 2026US 12,729,623 B2Halliburton Energy Services.Inc.
- Plugging assemblies for plugging cased wellbores1 Oct 2026US 2026/0298044 A1G&H Diversified Manufacturing LP
- Apparatus for oil well completion using retrievable rotating packer hanger24 Sep 2026US 2026/0286797 A1
- Fixed-Volume Setting Tool24 Sep 2026US 2026/0286798 A1DBK Industries, LLC
- Plugging device deployment in subterranean wells17 Sep 2026US 2026/0275822 A1
- Method for setting a frac plug with a tubular metal seal17 Sep 2026US 2026/0275825 A1Paramount Design LLC
Most cited
By later US patents
- Expandable wellbore junction301US 6,135,208 AHalliburton Energy Services.Inc. · 2000
- Sealing system for a well bore in which a hot fluid is circulated280US 4,513,816 ASociete Nationale Elf Aquitaine (Production) · 1985
- Sand control adapter232US 5,052,483 ABestline Liner Systems · 1991
- Drillable bridge plug210US 4,784,226 AArrow Oil Tools, Inc. · 1988
- Expandable wellbore junction201US 6,189,616 B1Halliburton Energy Services.Inc. · 2001