Test report and compare of American Gilsonite with ATDM Turkey Gilsonite in drilling
A water base drilling fluid comprising water and Turkey gilsonite, said iran gilsonite being prepared by reacting at a temperature between 210 softening point of at least 300 water soluble base compound for a period of time sufficient to achieve special gilsonite wherein the percent by weight of the components of said mixture is:
Gilsonite 55-60%
Lignite 15-25%
Sodium sulfite 15-20%
Water soluble base compound 5-10%.