Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Use of selected ester oils in drilling fluids and muds

Use of selected ester oils in drilling fluids and muds

US Patent RE36066 · Granted Jan 26, 1999

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for estimating the efficiency loss of a turbocharger for an engine2024
Method of controlling an internal combustion engine with a turbocharger2023
Injector deposit detection for SCR injection system2019
Radiator grille arrangement for a vehicle2017
Method for controlling an engine system2017
Systems and methods for extending physical sensor range using virtual sensors2015
Lithium salts of fatty alcohol sulphates for cleaning boreholes, boring devices 2011
Borehole treating substance containing ether carboxylic acids2010
Borehole treatment agent containing low-toxic oil phase2010
Borehole treatment agent containing low-toxic oil phase2010
Thinners for invert emulsions2009
Thinners for invert emulsions2008