E21B 7/136
From non-buoyant support
Official title: from non-buoyant support (E21B7/124 takes precedence)
E21B7/136 (From non-buoyant support) appears on 44 US grants and 7 published applications in this corpus.
Search patents in E21B- Granted patents
- 44
- Published applications
- 7
- Assignees
- 23
- Inventors
- 62
- Latest grant
- 13 Sep 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Drilling platform for amphibious operations13 Sep 2022US 11,441,357 B2Southwest Petroleum University
- Seabed supported unit and method to provide a shallow water drilling terminal17 Mar 2020US 10,590,618 B2Sembcorp Marine Integrated Yard Pte. Ltd.
- Method for excavating mud line cellar for subsea well drilling30 Jul 2019US 10,364,609 B2Noble Drilling Services Inc.
- Submerged oil storage, loading and offloading system10 Oct 2017US 9,783,947 B2
- Systems and methods employing a variable angle guide for a drill15 Mar 2011US 7,905,298 B2
- Buoy For The Processing Of Production Fluids24 Sep 2020US 2020/0298938 A1Sllp 134 Limited
- Drilling platform for amphibious operations16 Jan 2020US 2020/0018121 A1Southwest Petroleum University
- A seabed supported unit and method to provide a shallow water drilling terminal2 May 2019US 2019/0127939 A1Sembcorp Marine Integrated Yard Pte. Ltd.
- Method for excavating mud line cellar for subsea well drilling27 Sep 2018US 2018/0274301 A1Noble Drilling Services Inc.
- Submerged oil storage, loading and offloading system25 Jan 2018US 2018/0023265 A1
Most cited
By later US patents
- Monopod drilling platform with directional drilling53US 4,030,310 ASea-Log Corporation · 1977
- Directional drilling marine structure44US 4,136,996 ATexaco Development Corporation · 1979
- Offshore drilling structure36US 4,037,424 A1977
- Submudline drivepipe whipstock method and apparatus36US 4,733,732 AAtlantic Richfield Company · 1988
- Multi-well hydrocarbon development system33US 4,630,681 ADecision-Tree Associates, Inc. · 1986