Y10S 507/91
Earth boring fluid devoid of discrete aqueous phase
Y10S507/91 (Earth boring fluid devoid of discrete aqueous phase) appears on 57 US grants and 20 published applications in this corpus.
Search patents in Y10S- Granted patents
- 57
- Published applications
- 20
- Assignees
- 29
- Inventors
- 85
- Latest grant
- 19 Aug 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 4 |
| 2007 | 2 | 4 |
| 2008 | 2 | 3 |
| 2009 | 3 | 2 |
| 2010 | 5 | 4 |
| 2011 | 3 | 2 |
| 2012 | 3 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Equivalent circulating density control in deep water drilling19 Aug 2014US 8,809,240 B2Elementis Specialties, Inc.
- Emulsifier free oil-based wellbore fluid5 Jun 2012US 8,193,124 B2M - I L. L. C.
- Fluorinated surfactants and methods of using the same15 May 2012US 8,176,981 B23M Innovative Properties Company
- Equivalent circulating density control in deep water drilling20 Mar 2012US 8,138,125 B2Elementis Specialties, Inc.
- Methods of using drilling fluids containing biodegradable organophilic clay26 Jul 2011US 7,985,717 B2Halliburton Energy Services.Inc.
- Equivalent circulating density control in deep water drilling7 Jun 2012US 2012/0142561 A1Elementis Specialties, Inc.
- Equivalent circulating density control in deep water drilling29 Sep 2011US 2011/0237466 A1Elementis Specialties, Inc.
- Methods of using drilling fluids containing biodegradable organophilic clay10 Feb 2011US 2011/0031024 A1Halliburton Energy Services.Inc.
- Equivalent circulating density control in deep water drilling23 Dec 2010US 2010/0323927 A1329 Elementis Specialties Inc.
- Emulsifier free oil-based wellbore fluid9 Dec 2010US 2010/0311619 A1M - I L. L. C.
Most cited
By later US patents
- Lost circulation drilling fluid166US 4,498,995 A1985
- Method of releasing stuck pipe or tools and spotting fluids therefor107US 6,148,917 AActisystems, Inc. · 2000
- Fluid loss control additives for oil-based well-working fluids97US 4,671,883 ASandoz Ltd. · 1987
- Method of removing an invert emulsion filter cake after the drilling process using a single phase microemulsion77US 7,134,496 B2Baker Hughes Incorporated · 2006
- Drilling fluid loss prevention and lubrication additive70US 5,826,669 ASuperior Graphite Co. · 1998