E21B 33/10
In the borehole
Official title: in the borehole {(sealing the junction between main bore and laterals E21B41/0042)}
E21B33/10 (In the borehole) appears on 10,169 US grants and 9,635 published applications in this corpus.
Search patents in E21B- Granted patents
- 10,169
- Published applications
- 9,635
- Assignees
- 1,833
- Inventors
- 11,697
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 54 | 0 |
| 1977 | 51 | 0 |
| 1978 | 46 | 0 |
| 1979 | 43 | 0 |
| 1980 | 43 | 0 |
| 1981 | 60 | 0 |
| 1982 | 50 | 0 |
| 1983 | 86 | 0 |
| 1984 | 108 | 0 |
| 1985 | 70 | 0 |
| 1986 | 79 | 0 |
| 1987 | 98 | 0 |
| 1988 | 67 | 0 |
| 1989 | 88 | 0 |
| 1990 | 87 | 0 |
| 1991 | 76 | 0 |
| 1992 | 85 | 0 |
| 1993 | 96 | 0 |
| 1994 | 131 | 0 |
| 1995 | 102 | 0 |
| 1996 | 94 | 0 |
| 1997 | 63 | 0 |
| 1998 | 108 | 0 |
| 1999 | 83 | 0 |
| 2000 | 76 | 0 |
| 2001 | 108 | 31 |
| 2002 | 95 | 111 |
| 2003 | 106 | 137 |
| 2004 | 105 | 184 |
| 2005 | 95 | 165 |
| 2006 | 138 | 136 |
| 2007 | 135 | 164 |
| 2008 | 116 | 213 |
| 2009 | 127 | 240 |
| 2010 | 190 | 273 |
| 2011 | 133 | 279 |
| 2012 | 179 | 284 |
| 2013 | 207 | 395 |
| 2014 | 239 | 486 |
| 2015 | 332 | 566 |
| 2016 | 404 | 686 |
| 2017 | 470 | 654 |
| 2018 | 560 | 749 |
| 2019 | 756 | 659 |
| 2020 | 673 | 610 |
| 2021 | 669 | 630 |
| 2022 | 594 | 495 |
| 2023 | 532 | 457 |
| 2024 | 483 | 439 |
| 2025 | 485 | 371 |
| 2026 | 294 | 221 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods of treating unconsolidated sand formations using a red mud sealant composition6 Oct 2026US 12,753,339 B2Saudi Arabian Oil Company
- Systems and methods of deploying a wiper plug in a downhole tubular string6 Oct 2026US 12,753,670 B1Halliburton Energy Services.Inc.
- Retrievable packer element—anti extrusion barrier6 Oct 2026US 12,753,671 B2Expro North Sea Limited
- Garter spring including spacer elements6 Oct 2026US 12,753,672 B2Halliburton Energy Services.Inc.
- Systems and methods for attached-anchored casing stub repair6 Oct 2026US 12,753,678 B2Saudi Arabian Oil Company
- Apparatus utilizing shape-memory and self-assembly to plug relatively wide remote fractures8 Oct 2026US 2026/0308440 A1The Penn State Research Foundation
- Formation Maintenance Fluids with Flowback Enhancers to Improve Wellbore Operations8 Oct 2026US 2026/0308442 A1Baker Hughes Oilfield Operations LLC
- Improvements in or Relating to Well Abandonment8 Oct 2026US 2026/0308995 A1
- Resettable, retrievable multi-size donut seal8 Oct 2026US 2026/0308999 A1Halliburton Energy Services.Inc.
- Downhole tool and method of use8 Oct 2026US 2026/0309000 A1The WellBoss Company, LLC
Most cited
By later US patents
- Stormwater filter assembly483US 8,110,099 B2Contech Stormwater Solutions Inc. · 2012
- Method and apparatus for sealing the juncture between a vertical well and one or more horizontal wells using deformable sealing means361US 5,388,648 ABaker Hughes Incorporated · 1995
- Compositions and methods for cementing using elastic particles353US 6,508,305 B1BJ Services Company · 2003
- Downhole surge pressure reduction system and method of use340US 5,960,881 AJerry P. Allamon · 1999
- Method for treating multiple wellbore intervals339US 6,543,538 B2ExxonMobil Upstream Research Company · 2003