A method for reducing fluid loss from a water based wellbore servicing fluid is disclosed. The method includes preparing a fluid loss control additive that is substantially stable even at a high temperature of about 350°F. The fluid loss control additive may be formulated by dry mixing of a natural starch and sodium...

ENVIRONMENT-FRIENDLY LUBRICANT COMPOSITION FOR WATER-BASED DRILLING FLUIDS A lubricant composition for water-based drilling fluids is disclosed. The lubricant composition comprises a synthesized ester obtained by blending at least one polyhydric alcohol and at least one fatty acid, wherein the ratio of said polyh...

ABSTRACT DRILLING FLUID SYSTEM FOR CONTROLLING LOSS CIRCULATION A drilling fluid system for controlling loss circulation is disclosed. The drilling fluid system includes an aqueous base fluid comprising at least one viscosifier including a biopolymer, at least one shale inhibitor including a liquid polyamine, ...

FLUID LOSS CONTROL ADDITIVE A fluid loss control additive is disclosed. The fluid loss control additive comprises a polymer blend of at least one cellulose or cellulose derivative and at least one polysaccharide derivative in a ratio in the range of 1:9 to 9:1. The fluid loss control additive obtains effective f...

ABSTRACT A drilling fluid formulation is disclosed. The drilling fluid formulation includes a base fluid and an additive mixture, wherein the additive mixture comprises barite having specific gravity of about 4.1 to 4.25 in a reduced concentration in the range of 426 to 422 Kg/m3, 658 to 651 Kg/m3 and 1352 to 133...