E21B 47/107
Using acoustic means
Official title: using acoustic means
E21B47/107 (Using acoustic means) appears on 574 US grants and 592 published applications in this corpus.
Search patents in E21B- Granted patents
- 574
- Published applications
- 592
- Assignees
- 162
- Inventors
- 1,050
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 3 | 0 |
| 2001 | 9 | 4 |
| 2002 | 7 | 9 |
| 2003 | 8 | 7 |
| 2004 | 9 | 12 |
| 2005 | 7 | 3 |
| 2006 | 4 | 6 |
| 2007 | 2 | 3 |
| 2008 | 2 | 1 |
| 2009 | 3 | 8 |
| 2010 | 2 | 9 |
| 2011 | 3 | 12 |
| 2012 | 4 | 23 |
| 2013 | 5 | 15 |
| 2014 | 11 | 22 |
| 2015 | 17 | 31 |
| 2016 | 18 | 40 |
| 2017 | 35 | 41 |
| 2018 | 25 | 45 |
| 2019 | 51 | 52 |
| 2020 | 37 | 42 |
| 2021 | 52 | 60 |
| 2022 | 47 | 39 |
| 2023 | 52 | 40 |
| 2024 | 40 | 29 |
| 2025 | 31 | 28 |
| 2026 | 13 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Monitoring fluid stored in a subterranean formation1 Sep 2026US 12,723,507 B2Saudi Arabian Oil Company
- System and method for broadband acoustic source1 Sep 2026US 12,724,166 B2Baker Hughes Oilfield Operations LLC
- Movement noise suppression in a moving array for downhole leakage localization18 Aug 2026US 12,709,978 B2Halliburton Energy Services.Inc.
- Determining effects of acoustic energy on fluid and rock interactions28 Jul 2026US 12,693,269 B2Saudi Arabian Oil Company
- Data-driven feature engineering and machine learning for analysis of distributed sensing data2 Jun 2026US 12,644,371 B2Halliburton Energy Services.Inc.
- Downhole flow monitoring and evaluation using distributed acoustic sensing and acoustic noise logging1 Oct 2026US 2026/0298078 A1Halliburton Energy Services.Inc.
- Procedure to characterize sound sources with experiments removing the influence from an experimental acoustic apparatus17 Sep 2026US 2026/0276854 A1Halliburton Energy Services.Inc.
- Event detection and classification using distributed acoustic sensing (das) in hydrocarbon wells using deep-learning algorithms16 Jul 2026US 2026/0202569 A1BP Corporation North America Inc.
- Real-time completion monitoring using distributed acoustic sensing9 Jul 2026US 2026/0194672 A1ConocoPhillips Company
- Distributed acoustic sensing (das) for event detection monitoring4 Jun 2026US 2026/0153378 A1Precise Downhole Services Ltd.
Most cited
By later US patents
- Well control systems employing downhole network334US 5,959,547 ABaker Hughes Incorporated · 1999
- Monitoring of downhole parameters and tools utilizing fiber optics244US 6,281,489 B1Baker Hughes Incorporated · 2001
- Method for controlling production wells having permanent downhole formation evaluation sensors241US 5,597,042 ABaker Hughes Incorporated · 1997
- Monitoring of downhole parameters and tools utilizing fiber optics241US 6,588,266 B2Baker Hughes Incorporated · 2003
- Permanent downhole, wireless, two-way telemetry backbone using redundant repeaters221US 6,958,704 B2Shell Oil Company · 2005