E21B 23/14
Apparatus for displacing, setting, locking, releasing or removing tools, packers or the
Official title: for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
E21B23/14 (Apparatus for displacing, setting, locking, releasing or removing tools, packers or the) appears on 645 US grants and 547 published applications in this corpus.
Search patents in E21B- Granted patents
- 645
- Published applications
- 547
- Assignees
- 215
- Inventors
- 1,143
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 9 | 0 |
| 1987 | 11 | 0 |
| 1988 | 5 | 0 |
| 1989 | 12 | 0 |
| 1990 | 15 | 0 |
| 1991 | 11 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 13 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 1 |
| 2002 | 11 | 11 |
| 2003 | 6 | 6 |
| 2004 | 7 | 6 |
| 2005 | 7 | 15 |
| 2006 | 6 | 6 |
| 2007 | 8 | 7 |
| 2008 | 6 | 15 |
| 2009 | 7 | 17 |
| 2010 | 14 | 14 |
| 2011 | 4 | 5 |
| 2012 | 6 | 15 |
| 2013 | 8 | 16 |
| 2014 | 10 | 34 |
| 2015 | 19 | 41 |
| 2016 | 28 | 33 |
| 2017 | 21 | 26 |
| 2018 | 35 | 27 |
| 2019 | 26 | 30 |
| 2020 | 28 | 51 |
| 2021 | 49 | 33 |
| 2022 | 31 | 32 |
| 2023 | 47 | 29 |
| 2024 | 32 | 33 |
| 2025 | 32 | 29 |
| 2026 | 17 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tool string transportation device6 Oct 2026US 12,753,667 B2Petromac IP Limited
- Composite umbilical for pulse power boring system25 Aug 2026US 12,716,297 B2Halliburton Energy Services.Inc.
- Hydraulic actuated tool catcher25 Aug 2026US 12,716,329 B2Schlumberger Technology Corporation
- Tether roller apparatus18 Aug 2026US 12,709,948 B2Eddyfi Canada Inc.
- Slack management4 Aug 2026US 12,698,685 B2Saudi Arabian Oil Company
- Pump installation apparatus, pump installation method, and pump removing method24 Sep 2026US 2026/0286799 A1
- Downhole orienting helix for operations requiring multiple orienting sequences13 Aug 2026US 2026/0235007 A1Halliburton Energy Services.Inc.
- Individual or paired arm control in a wellbore tractor30 Jul 2026US 2026/0218579 A1Gowell Technology Norway AS
- Composite umbilical for pulse power boring system16 Jul 2026US 2026/0201753 A1Halliburton Energy Services.Inc.
- Systems and methods for downhole orientation sensor deployment16 Jul 2026US 2026/0201792 A1
Most cited
By later US patents
- Formation-tailored method and apparatus for uniformly heating long subterranean intervals at high temperature368US 4,570,715 AShell Oil Company · 1986
- Heating rate variant elongated electrical resistance heater353US 4,704,514 A1987
- Heater cable installation328US 4,572,299 AShell Oil Company · 1986
- Mini-well temperature profiling process311US 4,616,705 AShell Oil Company · 1986
- Well treating process for installing a cable bundle containing strands of changing diameter303US 4,585,066 AShell Oil Company · 1986