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1988-01-20 |
1989-08-03 |
Henkel Kgaa |
Zusammensetzungen zur befreiung festgesetzter bohrgestaenge
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1988-03-14 |
1992-01-28 |
Shell Oil Company |
Method for drilling wells
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1988-03-14 |
1993-09-28 |
Shell Oil Company |
Water base drilling fluids comprising oil-in-alcohol emulsion
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1988-03-14 |
1992-02-04 |
Shell Oil Company |
Method for drilling a well with emulsion drilling fluids
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1988-06-14 |
1991-05-28 |
Palm Oil Research & Development Board |
Recovery of carotenoids
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1988-07-14 |
1995-08-15 |
Diversey Corp., A Corp. Of Canada |
Composition for inhibiting stress cracks in plastic articles and methods of use therefor
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1988-07-14 |
1990-05-29 |
Diversey Corporation |
Conveyor lubricant containing alkyl amine coupling agents
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1988-12-19 |
1999-01-26 |
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Use of selected ester oils in drilling fluids and muds
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1989-10-12 |
1993-11-09 |
Shell Oil Company |
Method of drilling with shale stabilizing mud system comprising polycyclicpolyetherpolyol
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1989-12-27 |
1996-05-14 |
Shell Oil Company |
Water-base mud conversion for high tempratice cementing
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1989-12-27 |
1997-10-07 |
Shell Oil Company |
Solidification of water based muds
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1989-12-27 |
1995-06-13 |
Shell Oil Company |
Solidification of water based muds
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1989-12-27 |
1995-11-07 |
Shell Oil Company |
Universal fluids for drilling and cementing wells
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1990-03-30 |
1991-12-31 |
Shell Oil Company |
Gas hydrate inhibition
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1990-03-30 |
1991-12-31 |
Shell Oil Company |
Drilling fluids
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1991-03-19 |
1994-12-06 |
Shell Oil Company |
Polycondensation of dihydric alcohols and polyhydric alcohols and thermal condensation to form polyethercyclicpolyols
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1991-03-19 |
1994-04-12 |
Shell Oil Company |
Polycondensation of phenolic hydroxyl-containing compounds and polyhydric alcohols and thermal condensation to form polyethercyclipolyols
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1991-03-19 |
1994-04-12 |
Shell Oil Company |
Polycondensation of epoxy alcohols with polyhydric alcohols and thermal condensation to form polyethercyclicpolyols
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1991-03-19 |
1993-08-03 |
Shell Oil Company |
Copolymerization of polyethercyclicpolyols with epoxy resins
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1991-03-19 |
1994-08-16 |
Shell Oil Company |
Thermal condensation of polyhydric alcohols to form polyethercyclicpolyols
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1992-10-13 |
1994-02-15 |
Shell Oil Company |
Polyethercyclicpolyols from epihalohydrins, polyhydric alcohols and metal hydroxides or epoxy alcohol and optionally polyhydric alcohols with addition of epoxy resins
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1992-10-13 |
1994-12-06 |
Shell Oil Company |
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1992-10-13 |
1995-06-27 |
Shell Oil Company |
Polyethercyclipolyols from epihalohydrins, polyhydric alcohols, and metal hydroxides or epoxy alcohols and optionally polyhydric alcohols with thermal condensation
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1993-11-12 |
1995-10-31 |
Ecolab, Inc. |
Particulate suspending antimicrobial additives
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1995-06-07 |
1998-01-13 |
The Lubrizol Corporation |
Environmentally friendly water based drilling fluids
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1996-08-02 |
2004-10-19 |
M-I Llc |
Methods of using reversible phase oil based drilling fluid
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2000-07-05 |
2003-09-05 |
Inst Francais Du Petrole |
Methode et fluide pour controler la saturation d'une formation aux abords d'un puits
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2000-09-29 |
2007-07-17 |
Kelsan Technologies Corp. |
Method for reducing wear of steel elements in sliding-rolling contact
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2002-11-08 |
2005-02-15 |
Kelsan Technologies Corporation |
Freeze tolerant friction control compositions
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2000-12-29 |
2008-11-25 |
Halliburton Energy Services, Inc. |
Methods of drilling using flat rheology drilling fluids
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2000-12-29 |
2008-10-14 |
Halliburton Energy Services, Inc. |
Thinners for invert emulsions
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2001-08-14 |
2003-02-20 |
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2000-12-29 |
2005-05-03 |
Halliburton Energy Service,S Inc. |
Method of formulating and using a drilling mud with fragile gels
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2000-12-29 |
2015-02-23 |
Halliburton Energy Serv Inc |
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2000-12-29 |
2009-08-11 |
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2001-10-31 |
2007-09-18 |
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2001-10-31 |
2009-05-19 |
Halliburton Energy Services, Inc. |
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2001-10-31 |
2003-09-16 |
Halliburton Energy Services, Inc. |
Additive for oil-based drilling fluids
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2001-10-31 |
2006-03-07 |
Halliburton Energy Services, Inc. |
Additive for oil-based drilling fluids
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2002-06-12 |
2006-01-24 |
Halliburton Energy Services, Inc. |
Silicic acid mud lubricants
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2006-10-30 |
2010-11-09 |
Kamyar Tehranchi |
Clay stabilizing aqueous drilling fluids
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2007-01-12 |
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2007-08-03 |
2009-02-05 |
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Hydraulic fluid compositions
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2007-09-14 |
2009-03-18 |
Cognis Oleochemicals GmbH |
Additive für wasserbasierte Bohrspülmittel
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2007-09-14 |
2009-03-18 |
Cognis Oleochemicals GmbH |
Schmiermitteladditive für Bohrspülmittel
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2009-04-15 |
2017-10-31 |
M-I L.L.C. |
Lubricant for water-based muds and methods of use thereof
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2011-06-24 |
2013-06-06 |
Nitto Denko Corporation |
Rare-earth permanent magnet and method for manufacturing rare-earth permanent magnet
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2012-03-29 |
2017-08-08 |
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Methods fluids by producing and employing oil and gas well drilling and completion fluids as well as hydraulic fracturing fluids employing triglyceride processing by products and propylene glycol recovered from aircraft deicing operations
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2012-03-29 |
2020-06-09 |
Axel R. Johnson |
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2014-01-24 |
2020-02-11 |
Schlumberger Technology Corporation |
Gas fracturing method and system
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2014-05-06 |
2017-12-05 |
Saudi Arabian Oil Company |
Ecofriendly lubricating additives for water-based wellbore drilling fluids
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2015-04-08 |
2021-11-02 |
Gumpro Drilling Fluid Pvt. Ltd. |
Lubricant additives for water based drilling fluid
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2017-12-27 |
2020-01-17 |
Oleon Nv |
Additif lubrifiant solide
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2018-07-17 |
2022-10-18 |
Saudi Arabian Oil Company |
Environmentally-friendly lubricant for oil field drilling fluid applications
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2018-07-17 |
2021-09-21 |
Saudi Arabian Oil Company |
Synthesized lubricants for water-based drilling fluid systems
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2019-07-29 |
2022-06-21 |
Saudi Arabian Oil Company |
Lubricants that include alkyl esters and fatty acids
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2019-07-29 |
2022-04-12 |
Saudi Arabian Oil Company |
Water-based drilling fluids that include lubricants
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2019-07-29 |
2023-01-03 |
Saudi Arabian Oil Company |
Water-based drilling fluids that include lubricants
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2019-07-29 |
2022-06-21 |
Saudi Arabian Oil Company |
Lubricants that include alkyl esters and fatty acids
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2020-08-12 |
2022-06-07 |
Saudi Arabian Oil Company |
Lost circulation material for reservoir section
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