Chevron is about to put the first deepwater drillship designed with the capacity to perform ‘dual gradient drilling’ to work. The ship is a Samsung 12000 design capable of operating in 12,000 ft ...

Dilution-based dual-gradient drilling (DGD) reduces casing strings and drilling costs while increasing hole size at total depth by injecting mud down an artificially-created annulus with a different ...

HOUSTON, May 4-- As others prepare to field test subsea pumps for dual gradient drilling in ultradeep water, Stewart & Stevenson Service Inc.'s Petroleum Equipment Division in Houston has introduced ...

In Adobe After Effects, you can define complex color effects such as gradients by adjusting colors and opacity levels to your liking, and then applying them to shapes in your animations. You define ...