Patents Represented by Attorney Dan M. Reed, Smith, Shaw & McClay LLP de la Rosa - Justia Patents Search

Patents Represented by Attorney Dan M. Reed, Smith, Shaw & McClay LLP de la Rosa

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Drilling fluid system containing a combination of hydrophilic carbon black/asphaltite and a refined fish oil/glycol mixture and related methods

Patent number: 5942467

Abstract: A drilling fluid system that combines a carbon black/asphaltite/lignite mixture with a fish oil/glycol mixture; and a method for manufacturing a drilling fluid system that could be utilized with pre-existing water based muds during drilling and excavating applications.

Type: Grant

Filed: December 8, 1997

Date of Patent: August 24, 1999

Assignee: Sun Drilling Products Corporation

Inventors: Jerry J. Rayborn, Sr., John J. Rayborn