E21B 7/065
Using oriented fluid jets
Official title: {using oriented fluid jets}
E21B7/065 (Using oriented fluid jets) appears on 120 US grants and 87 published applications in this corpus.
Search patents in E21B- Granted patents
- 120
- Published applications
- 87
- Assignees
- 52
- Inventors
- 208
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 5 |
| 2004 | 2 | 8 |
| 2005 | 1 | 0 |
| 2006 | 6 | 5 |
| 2007 | 2 | 7 |
| 2008 | 1 | 5 |
| 2009 | 5 | 4 |
| 2010 | 2 | 2 |
| 2011 | 2 | 3 |
| 2012 | 4 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 6 |
| 2015 | 1 | 3 |
| 2016 | 2 | 6 |
| 2017 | 4 | 1 |
| 2018 | 4 | 1 |
| 2019 | 2 | 4 |
| 2020 | 4 | 4 |
| 2021 | 5 | 7 |
| 2022 | 4 | 3 |
| 2023 | 5 | 5 |
| 2024 | 2 | 1 |
| 2025 | 3 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Permeability enhancement device for coal-seam gas drainage30 Jun 2026US 12,669,055 B2Henan Polytechnic University
- Method and apparatus for assisting in extraction of fluid from coal-seams9 Dec 2025US 12,492,599 B2Cft Technologies Pty Ltd
- Valve system for selective control of drilling fluid flow28 Oct 2025US 12,454,865 B1Schlumberger Technology Corporation
- Method and system of underground deployment of materials and equipment23 Sep 2025US 12,421,682 B2hyperTunnel IP Limited
- Downhole wellbore treatment system and method17 Sep 2024US 12,091,941 B2Pipetech International AS
- Permeability enhancement device for coal-seam gas drainage20 Nov 2025US 2025/0354492 A1Henan Polytechnic University
- Subassembly for a directional drilling system22 May 2025US 2025/0163759 A1
- Steering device augmentation, method and system16 May 2024US 2024/0159109 A1Baker Hughes Oilfield Operations LLC
- Cartridge for a rotary drill bit16 Nov 2023US 2023/0366271 A1Enteq Technologies PLC
- Method and apparatus for assisting in extraction of fluid from coal-seams2 Nov 2023US 2023/0349237 A1Cft Technologies Pty Ltd
Most cited
By later US patents
- Method and apparatus for drilling boreholes in earth formations (drilling liner systems)204US 6,196,336 B1Baker Hughes Incorporated · 2001
- Method and apparatus for installment of underground utilities157US 4,674,579 AFlowMole Corporation · 1987
- Real-time control system and method for controlling an underground boring machine144US 6,308,787 B1Vermeer Manufacturing Company · 2001
- Methods and apparatus for controlled directional drilling of boreholes115US 4,637,479 ASchlumberger Technology Corporation · 1987
- Technique for steering and monitoring the orientation of a powered underground boring device95US 4,714,118 AFlowMole Corporation · 1987