E21B 31/005
Fishing for or freeing objects in boreholes or wells: using vibrating or
Official title: {using vibrating or oscillating means}
E21B31/005 (Fishing for or freeing objects in boreholes or wells: using vibrating or) appears on 198 US grants and 198 published applications in this corpus.
Search patents in E21B- Granted patents
- 198
- Published applications
- 198
- Assignees
- 92
- Inventors
- 324
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 4 |
| 2003 | 3 | 2 |
| 2004 | 4 | 5 |
| 2005 | 3 | 6 |
| 2006 | 2 | 1 |
| 2007 | 4 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 3 | 13 |
| 2013 | 8 | 8 |
| 2014 | 0 | 5 |
| 2015 | 7 | 8 |
| 2016 | 5 | 11 |
| 2017 | 11 | 13 |
| 2018 | 12 | 10 |
| 2019 | 14 | 15 |
| 2020 | 19 | 27 |
| 2021 | 24 | 12 |
| 2022 | 11 | 14 |
| 2023 | 14 | 9 |
| 2024 | 11 | 8 |
| 2025 | 14 | 11 |
| 2026 | 8 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- On-demand vibration tool for drilling applications1 Sep 2026US 12,723,483 B2Dynomax Drilling Tools Inc.
- Downhole releasable vibratory tool, system and method14 Jul 2026US 12,680,407 B2Thru Tubing Solutions, Inc.
- Methods and apparatus for casing recovery14 Jul 2026US 12,680,408 B2Ardyne Holdings Limited
- Advancing a tubular string in a wellbore23 Jun 2026US 12,662,892 B2Thru Tubing Solutions, Inc.
- Extended reach and jarring tool for a bottom hole assembly31 Mar 2026US 12,590,500 B2KLX Energy Services LLC
- Downhole apparatus for oscillating a tubular string8 Oct 2026US 2026/0308989 A1Grant Prideco, L.P.
- Advancing a tubular string in a wellbore24 Sep 2026US 2026/0286800 A1
- Extended reach and jarring tool for a bottom hole assembly23 Jul 2026US 2026/0210199 A1KLX Energy Services LLC
- Variable intensity and selective pressure activated jar2 Jul 2026US 2026/0185414 A1HydraShock, L.L.C.
- Advancing a tubular string in a wellbore7 May 2026US 2026/0125955 A1Thru Tubing Solutions, Inc.
Most cited
By later US patents
- Apparatus for vibrating a pipe string in a borehole90US 4,890,682 AShell Oil Company · 1990
- Downhole coiled tubing recovery apparatus90US 6,464,014 B12002
- Resonance tools for use in wellbores60US 6,009,948 ABaker Hughes Incorporated · 2000
- Tubular injector with snubbing jack and oscillator50US 6,412,560 B12002
- Down hole excitation system for loosening drill pipe stuck in a well39US 4,667,742 A1987