Baryte plugs to cure losses

Baryte plugs to cure losses

Baryte plugs to cure losses.Drilling 12 1/4" hole through a fault at 13,700 ft. Thereafter, gas levels continued to increase (80%). Despite weighing up the mudf, high gas levels were measured. Two gasblok cement plugs were set across / above the fault, but were unsuccessful (80% gas levels monitored after setting the plugs).

Consequently, it was decided to drill out the cement and set baryte plugs above the fault. The objective of the plugs being to contain the gas so that a cement plug could then be set without being . . .