E21B 7/18
Drilling by liquid or gas jets, with or without entrained pellets
Official title: Drilling by liquid or gas jets, with or without entrained pellets (E21B7/14 takes precedence)
E21B7/18 (Drilling by liquid or gas jets, with or without entrained pellets) appears on 572 US grants and 383 published applications in this corpus.
Search patents in E21B- Granted patents
- 572
- Published applications
- 383
- Assignees
- 275
- Inventors
- 992
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 12 | 0 |
| 1979 | 2 | 0 |
| 1980 | 11 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 12 | 0 |
| 1986 | 9 | 0 |
| 1987 | 15 | 0 |
| 1988 | 17 | 0 |
| 1989 | 18 | 0 |
| 1990 | 10 | 0 |
| 1991 | 9 | 0 |
| 1992 | 4 | 0 |
| 1993 | 11 | 0 |
| 1994 | 15 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 16 | 0 |
| 2000 | 10 | 0 |
| 2001 | 16 | 4 |
| 2002 | 9 | 5 |
| 2003 | 7 | 10 |
| 2004 | 8 | 4 |
| 2005 | 4 | 7 |
| 2006 | 4 | 18 |
| 2007 | 3 | 8 |
| 2008 | 14 | 14 |
| 2009 | 9 | 33 |
| 2010 | 15 | 24 |
| 2011 | 13 | 13 |
| 2012 | 25 | 22 |
| 2013 | 13 | 13 |
| 2014 | 8 | 17 |
| 2015 | 10 | 18 |
| 2016 | 8 | 18 |
| 2017 | 12 | 15 |
| 2018 | 19 | 15 |
| 2019 | 17 | 22 |
| 2020 | 18 | 20 |
| 2021 | 23 | 14 |
| 2022 | 18 | 12 |
| 2023 | 10 | 14 |
| 2024 | 17 | 16 |
| 2025 | 17 | 16 |
| 2026 | 17 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Robotic hydro-excavation devices15 Sep 2026US 12,735,947 B2Nova Dynamics, LLC
- Rear-mounted double-channel abrasive jet cutting device15 Sep 2026US 12,735,960 B2CCTEG Chongqing Research Institute Co., Ltd.
- Jetting system for drilling operations8 Sep 2026US 12,729,588 B1Saudi Arabian Oil Company
- Annular piston pile driver18 Aug 2026US 12,709,945 B2Dig Energy, Inc.
- High pressure fluid jet drill system21 Jul 2026US 12,687,076 B2Dig Energy, Inc.
- High pressure fluid jet drill system8 Oct 2026US 2026/0308985 A1Dig Energy, Inc.
- Systems and methods for drilling geothermal wells1 Oct 2026US 2026/0298032 A1Helmerich & Payne Technologies, LLC
- Earth cutting apparatus nozzles and related methods10 Sep 2026US 2026/0266138 A1Kennametal Inc.
- Method and device for horizontal bore mining3 Sep 2026US 2026/0258715 A1Iluka Resources Limited
- Drill bit and method for directional drilling27 Aug 2026US 2026/0251019 A1Canopus Drilling Solutions Holding B.V.
Most cited
By later US patents
- Method and apparatus for recovery of oil, gas and mineral deposits by panel opening284US 4,479,541 A1984
- Electrode well and method of completion247US 4,640,353 AAtlantic Richfield Company · 1987
- Localized fracturing system and method209US 7,677,316 B2Baker Hughes Incorporated · 2010
- Method and apparatus for installment of underground utilities157US 4,674,579 AFlowMole Corporation · 1987
- Enhancing liquid jet erosion147US 4,474,251 AHydronautics, Incorporated · 1984