E21B 17/206
With conductors
Official title: {with conductors, e.g. electrical, optical}
E21B17/206 (With conductors) appears on 387 US grants and 339 published applications in this corpus.
Search patents in E21B- Granted patents
- 387
- Published applications
- 339
- Assignees
- 133
- Inventors
- 649
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 11 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 19 | 0 |
| 2000 | 13 | 0 |
| 2001 | 13 | 2 |
| 2002 | 10 | 11 |
| 2003 | 11 | 17 |
| 2004 | 8 | 16 |
| 2005 | 11 | 13 |
| 2006 | 12 | 5 |
| 2007 | 7 | 5 |
| 2008 | 3 | 10 |
| 2009 | 6 | 8 |
| 2010 | 8 | 16 |
| 2011 | 2 | 10 |
| 2012 | 7 | 11 |
| 2013 | 7 | 8 |
| 2014 | 9 | 15 |
| 2015 | 10 | 27 |
| 2016 | 7 | 21 |
| 2017 | 23 | 18 |
| 2018 | 13 | 25 |
| 2019 | 20 | 24 |
| 2020 | 22 | 13 |
| 2021 | 12 | 20 |
| 2022 | 17 | 17 |
| 2023 | 17 | 7 |
| 2024 | 11 | 8 |
| 2025 | 8 | 9 |
| 2026 | 8 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Selectively powering an electrical submersible pump assembly15 Sep 2026US 12,735,964 B2Saudi Arabian Oil Company
- Composite umbilical for pulse power boring system25 Aug 2026US 12,716,297 B2Halliburton Energy Services.Inc.
- Bottomhole assembly for geothermal field construction25 Aug 2026US 12,716,345 B2Bedrock Energy, Inc.
- Insulated coiled tubing for pulsed power drilling4 Aug 2026US 12,698,684 B2Halliburton Energy Services.Inc.
- Fiber-to-casing bonding12 May 2026US 12,624,598 B2ConocoPhillips Company
- Composite umbilical for pulse power boring system16 Jul 2026US 2026/0201753 A1Halliburton Energy Services.Inc.
- Selectively powering an electrical submersible pump assembly2 Jul 2026US 2026/0185429 A1Saudi Arabian Oil Company
- Coiled tubing injector system including a trolley track and trolley for support thereof23 Apr 2026US 2026/0110225 A1Halliburton Energy Services.Inc.
- Apparatus to Connect Cables Inside Coiled Tubing and Connect Coiled Tubing25 Dec 2025US 2025/0389160 A1Halliburton Energy Services.Inc.
- Insulated coiled tubing for pulsed power drilling11 Dec 2025US 2025/0376898 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Heater utilizing copper-nickel alloy core349US 5,060,287 AShell Oil Company · 1991
- Process of electric pipeline heating utilizing heating elements inserted in pipelines288US 5,182,792 APetroleo Brasileiro S.A. - Petrobras · 1993
- Continous power/signal conductor and cover for downhole use226US 6,103,031 ABaker Hughes Incorporated · 2000
- Well system221US 6,296,066 B1Halliburton Energy Services.Inc. · 2001
- Coil tubing string and downhole generator209US 5,285,204 AConoco Inc. · 1994