C09K 8/78
For preventing sealing
Official title: for preventing sealing
C09K8/78 (For preventing sealing) appears on 64 US grants and 34 published applications in this corpus.
Search patents in C09K- Granted patents
- 64
- Published applications
- 34
- Assignees
- 32
- Inventors
- 115
- Latest grant
- 4 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 2 | 0 |
| 2009 | 2 | 3 |
| 2010 | 2 | 1 |
| 2011 | 2 | 3 |
| 2012 | 2 | 7 |
| 2013 | 1 | 1 |
| 2014 | 5 | 2 |
| 2015 | 4 | 2 |
| 2016 | 0 | 0 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 3 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composition and method of reducing deposition of formate in underground formations4 Jun 2024US 11,999,898 B2Cleansorb Limited
- Method to produce a scale inhibitor8 Aug 2023US 11,718,781 B2TouGas Oilfield Solutions GmbH
- Chelating acid blends for stimulation of a subterranean formation, methods of utilizing the chelating acid blends, and hydrocarbon wells that include the chelating acid blends4 Oct 2022US 11,459,501 B2ExxonMobil Upstream Research Company
- Use of sequestering agent in GLDA-based treatments for siliceous formations14 Dec 2021US 11,198,812 B2Baker Hughes Holdings LLC
- Compositions and methods for acid diversion during acid stimulation of subterranean formations19 Oct 2021US 11,149,190 B2Saudi Arabian Oil Company
- Microfluidic system and method for producing plant-polymer proppants for oil and gas operations25 Jun 2026US 2026/0176524 A1Aramco Innovations LLC
- Composition and method of reducing deposition of formate in underground formations25 Jan 2024US 2024/0026211 A1Cleansorb Limited
- Chelating acid blends for stimulation of a subterranean formation, methods of utilizing the chelating acid blends, and hydrocarbon wells that include the chelating acid blends21 Oct 2021US 2021/0324260 A1ExxonMobil Upstream Research Company
- Compositions and methods for acid diversion during acid stimulation of subterranean formations4 Mar 2021US 2021/0062075 A1Saudi Arabian Oil Company
- Scale inhibitor25 Jun 2020US 2020/0199439 A1TouGas Oilfield Solutions GmbH
Most cited
By later US patents
- Composition and method of stimulating subterranean formations89US 4,683,954 AHalliburton Company · 1987
- Oil well treating method and composition87US 4,366,074 AHalliburton Company · 1982
- Reducing aluminum compound precipitation following subterranean formation acidizing83US 6,531,427 B1Halliburton Energy Services.Inc. · 2003
- Oil well treating method and composition69US 4,366,072 AHalliburton Company · 1982
- Oil well treating method and composition69US 4,366,073 AHalliburton Company · 1982