E21B 43/10
Setting of casings, screens, liners or the like in wells
Official title: Setting of casings, screens, liners {or the like} in wells
E21B43/10 (Setting of casings, screens, liners or the like in wells) appears on 2,491 US grants and 2,396 published applications in this corpus.
Search patents in E21B- Granted patents
- 2,491
- Published applications
- 2,396
- Assignees
- 435
- Inventors
- 2,936
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 15 | 0 |
| 1978 | 9 | 0 |
| 1979 | 9 | 0 |
| 1980 | 9 | 0 |
| 1981 | 15 | 0 |
| 1982 | 9 | 0 |
| 1983 | 15 | 0 |
| 1984 | 12 | 0 |
| 1985 | 12 | 0 |
| 1986 | 13 | 0 |
| 1987 | 12 | 0 |
| 1988 | 5 | 0 |
| 1989 | 15 | 0 |
| 1990 | 9 | 0 |
| 1991 | 14 | 0 |
| 1992 | 13 | 0 |
| 1993 | 11 | 0 |
| 1994 | 26 | 0 |
| 1995 | 19 | 0 |
| 1996 | 15 | 0 |
| 1997 | 15 | 0 |
| 1998 | 28 | 0 |
| 1999 | 29 | 0 |
| 2000 | 42 | 0 |
| 2001 | 43 | 16 |
| 2002 | 58 | 98 |
| 2003 | 76 | 123 |
| 2004 | 98 | 185 |
| 2005 | 66 | 168 |
| 2006 | 138 | 98 |
| 2007 | 116 | 117 |
| 2008 | 98 | 102 |
| 2009 | 75 | 81 |
| 2010 | 84 | 86 |
| 2011 | 64 | 63 |
| 2012 | 56 | 82 |
| 2013 | 49 | 90 |
| 2014 | 63 | 93 |
| 2015 | 81 | 106 |
| 2016 | 83 | 95 |
| 2017 | 100 | 88 |
| 2018 | 78 | 111 |
| 2019 | 106 | 92 |
| 2020 | 112 | 77 |
| 2021 | 79 | 101 |
| 2022 | 103 | 83 |
| 2023 | 87 | 79 |
| 2024 | 73 | 78 |
| 2025 | 83 | 47 |
| 2026 | 39 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods of deploying a wiper plug in a downhole tubular string6 Oct 2026US 12,753,670 B1Halliburton Energy Services.Inc.
- Systems and methods for attached-anchored casing stub repair6 Oct 2026US 12,753,678 B2Saudi Arabian Oil Company
- Method of creating an annular zonal isolation seal in a downhole annulus6 Oct 2026US 12,753,679 B2Shell USA, Inc.
- System for restoring the mechanical integrity of small-diameter casing or production tubing in hydrocarbon reservoir wells6 Oct 2026US 12,753,680 B2Instituto Mexicano Del Petroleo
- Modular anti-rotation drilling systems and methods actuated by fluid pressure29 Sep 2026US 12,747,654 B1National Technology & Engineering Solutions of Sandia, LLC
- Bi-directional Running Tool for Expandable Liner Hanger8 Oct 2026US 2026/0309007 A1Halliburton Energy Services.Inc.
- Liner hanger setting tool including a split ring cone, a well system and a method1 Oct 2026US 2026/0298052 A1Halliburton Energy Services.Inc.
- Liner hanger setting tool including first and second cone assembly portions, a well system and a method1 Oct 2026US 2026/0298053 A1Halliburton Energy Services.Inc.
- Liner hanger setting tool including a spiral split ring cone, a well system and a method1 Oct 2026US 2026/0298054 A1Halliburton Energy Services.Inc.
- Cylinder-less high pressure and high temperature liner hanger24 Sep 2026US 2026/0286795 A1
Most cited
By later US patents
- Method of completing an uncased section of a borehole576US 5,366,012 AShell Oil Company · 1994
- Expandable tubing for a well bore hole and method of expanding443US 6,354,373 B1Schlumberger Technology Corporation · 2002
- Method of creating a wellbore in an underground formation356US 5,348,095 AShell Oil Company · 1994
- Method of creating a casing in a borehole325US 5,667,011 AShell Oil Company · 1997
- Method and apparatus for hanging tubulars in wells321US 6,098,717 AFormlock, Inc. · 2000