| Patent | Date |
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Methods for producing polyester amides based on polyisobutylenes, polyester amides produced thereby, and uses therefor in stabilizing crude oil
Grant 6,946,524 - Breuer , et al. September 20, 2 | 2005-09-20 |
Lubricants for drilling fluids
Grant 6,806,235 - Mueller , et al. October 19, 2 | 2004-10-19 |
Use of selected fatty alcohols and their mixtures with carboxylic acid esters as lubricant components in water-based drilling fluid systems for soil exploration
Grant 6,716,799 - Mueller , et al. April 6, 2 | 2004-04-06 |
Use of polyester amides for the stabilisation of asphaltenes in crude oil
App 20040039125 - Breuer, Wolfgang ; et al. | 2004-02-26 |
Use of selected oleophilic ethers in water-based drilling fluids of the O/W emulsion type and corresponding drilling fluids with improved ecological acceptability
Grant 6,596,670 - Mueller , et al. July 22, 2 | 2003-07-22 |
Process for removing solid asphalt residues produced in the petroleum industry
Grant 6,368,422 - Breuer , et al. April 9, 2 | 2002-04-09 |
Method for demulsifying emulsions
Grant 6,310,106 - Podubrin , et al. October 30, 2 | 2001-10-30 |
Aqueous swellable compositions of guar gum and guar gum derivatives in oleophilic liquids and their use
Grant 6,180,572 - Mueller , et al. January 30, 2 | 2001-01-30 |
Process for the facilitated waste disposal of working substances based on water-in-oil invert emulsions
Grant 6,165,946 - Mueller , et al. December 26, 2 | 2000-12-26 |
Multicomponent mixtures for use in geological exploration
Grant 6,022,833 - Mueller , et al. February 8, 2 | 2000-02-08 |
Use of selected ester oils in drilling fluids and muds
Grant RE36,066 - Mueller , et al. * January 26, 1 | 1999-01-26 |
Waste disposal of contaminated drill cuttings from geological drilling using drilling fluid systems containing mineral oil
Grant 5,755,892 - Herold , et al. May 26, 1 | 1998-05-26 |
Mineral additives for setting and/or controlling the rheological properties and gel structure of aqueous liquid phases and the use of such additives
Grant 5,663,122 - Mueller , et al. September 2, 1 | 1997-09-02 |
Fluid-drill-hole treatment agents based on carbonic acid diesters
Grant 5,461,028 - Mueller , et al. October 24, 1 | 1995-10-24 |
Fluid drill-hole treatment agents based on polycarboxylic acid diesters
Grant 5,441,927 - Mueller , et al. August 15, 1 | 1995-08-15 |
Process for cold cleaning oil-contaminated metal surfaces with 2-ethylhexyl esters of fatty acids
Grant 5,421,907 - Nieendick , et al. June 6, 1 | 1995-06-06 |
Aqueous emulsion copolymers, more especially in water-and oil-dilutable form, for improving the flow properties and pour point depression of crude oils and petroleum fractions and their use
Grant 5,418,278 - Ritter , et al. May 23, 1 | 1995-05-23 |
Esters of carboxylic acids of medium chain-length as a component of the oil phase in invert drilling muds
Grant 5,403,822 - Mueller , et al. * April 4, 1 | 1995-04-04 |
Oleophilic alcohols as a constituent of invert drilling fluids
Grant 5,348,938 - Mueller , et al. * September 20, 1 | 1994-09-20 |
Use of selected ethers of monofunctional alcohols in drilling fluids
Grant 5,318,955 - Mueller , et al. June 7, 1 | 1994-06-07 |
Use of selected ester oils in water-based drilling fluids of the O/W emulsion type and corresponding drilling fluids with improved ecological acceptability
Grant 5,318,956 - Mueller , et al. * June 7, 1 | 1994-06-07 |
Oleophilic basic amine compounds as an additive for invert drilling muds
Grant 5,254,531 - Mueller , et al. October 19, 1 | 1993-10-19 |
Drilling fluids and muds containing selected ester oils
Grant 5,252,554 - Mueller , et al. * October 12, 1 | 1993-10-12 |
Copolymers of (meth) acrylic acid esters as flow improvers in oils
Grant 5,039,432 - Ritter , et al. August 13, 1 | 1991-08-13 |
Compositions for freeing jammed drill pipes
Grant 4,964,615 - Mueller , et al. * October 23, 1 | 1990-10-23 |
Water-based drilling and well-servicing fluids with swellable, synthetic layer silicates
Grant 4,888,120 - Mueller , et al. December 19, 1 | 1989-12-19 |
Clear-rinse agent for mechanical dishwashers
Grant 4,187,121 - Herold , et al. February 5, 1 | 1980-02-05 |
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