C09K 8/428
For squeeze cementing
Official title: {for squeeze cementing, e.g. for repairing}
C09K8/428 (For squeeze cementing) appears on 124 US grants and 138 published applications in this corpus.
Search patents in C09K- Granted patents
- 124
- Published applications
- 138
- Assignees
- 36
- Inventors
- 224
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 4 |
| 2007 | 1 | 2 |
| 2008 | 2 | 5 |
| 2009 | 2 | 6 |
| 2010 | 9 | 16 |
| 2011 | 4 | 6 |
| 2012 | 6 | 7 |
| 2013 | 16 | 13 |
| 2014 | 11 | 13 |
| 2015 | 5 | 5 |
| 2016 | 6 | 10 |
| 2017 | 6 | 7 |
| 2018 | 8 | 4 |
| 2019 | 10 | 10 |
| 2020 | 3 | 4 |
| 2021 | 5 | 5 |
| 2022 | 4 | 2 |
| 2023 | 5 | 4 |
| 2024 | 2 | 4 |
| 2025 | 6 | 2 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for leak prevention18 Aug 2026US 12,709,959 B2Schlumberger Technology Corporation
- Drillable seat for multi-stage tools16 Jun 2026US 12,655,709 B1Halliburton Energy Services.Inc.
- Self-healing cement5 May 2026US 12,617,999 B2
- Eutectic metal alloy-containing cement and methods of use thereof4 Nov 2025US 12,459,871 B2Newpark Drilling Fluids LLC
- Methods for shortening waiting-on-cement time in a subterranean well7 Oct 2025US 12,435,597 B2Schlumberger Technology Corporation
- Methods of servicing a wellbore using a red mud sealant composition9 Jul 2026US 2026/0193518 A1Saudi Arabian Oil Company
- Curable geopolymer slurry and treatement compositions and methods for producing and using said compositions12 Mar 2026US 2026/0070844 A1Schlumberger Technology Corporation
- Self-healing cement5 Mar 2026US 2026/0062602 A1Baker Hughes Oilfield Operations LLC
- System and method for leak prevention12 Feb 2026US 2026/0043307 A1Schlumberger Technology Corporation
- Eutectic metal alloy-containing cement and methods of use thereof29 Jan 2026US 2026/0028288 A1Newpark Drilling Fluids LLC
Most cited
By later US patents
- Repair of microannuli and cement sheath202US 5,127,473 AHalliburton Services · 1992
- Resilient well cement compositions and methods157US 5,688,844 AHalliburton Company · 1997
- Cement compositions comprising latex and a nano-particle and associated methods121US 7,784,542 B2Halliburton Energy Services.Inc. · 2010
- Cementing compositions and the application of such compositions to cementing oil or analogous wells119US 6,312,515 B1Schlumberger Technology Corporation · 2001
- Cementing compositions and application of such compositions to cementing oil wells or the like88US 6,874,578 B1Schlumberger Technology Corporation · 2005