Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process using gellan as a filtrate reducer for water-based drilling fluids

Process using gellan as a filtrate reducer for water-based drilling fluids

US Patent 5744428 · Granted Apr 28, 1998

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for the production of cellulolytic and hemicellulolytic enzymes using di2009
System and method for rheological characterization of granular materials2005
Method for inhibiting reactive argillaceous formations and use thereof in a dril1999
Method for inhibiting reactive argillaceous formations and use thereof in a dril1998
Method for inhibiting reactive argillaceous formations and use thereof in a dril1998
Method for inhibiting reactive argillaceous formations and use thereof in a dril1997
Composition containing a surface active compound and glycolipids and decontamina1997
Drilling processes and fluid used in well drilling applications1997
Method for reducing retention of a displacement agent and application to assiste1994
Process for washing solid particles comprising a sophoroside solution1994
Use of scleroglucan as high temperature additive for cement slurries1994
Enzymatic process for treating xanthan gums in order to improve the filterabilit1990