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ON THE GULF OF MEXICO – Drilling crews are grinding ever deeper to build the relief wells that are the best hope of stopping the massive oil leak at the bottom of the Gulf of Mexico.
The crew of Transocean Ltd.'s Development Driller II finished pouring cement Sunday morning on a section of metal casing lining one of two relief wells now at roughly 5,000 feet, said Mickey Fruge, BP's wellsite leader aboard the rig. When that cement is firm on Monday, the rig's crew will keep extending the well.
BP and government officials say the wells are the best option for cutting off the gusher that has spilled as much as 125 million gallons into the Gulf since the Transocean drilling rig Deepwater Horizon exploded April 20, killing 11 workers. A separate rig had drilled to a depth of nearly 11,000 feet
Originally posted by muzzleflash
The part I find the most ironic and silly, is that we are letting the SAME PEOPLE who caused the first disaster to drill even MORE HOLES into the ground.
“Because of the high bottomhole pressures and fracturing gradients of these wells, the surface treating pressures start to approach the safe working limits of the conventional pumping equipment and surface treating lines,” explained Bart Waltman, product line manager, sand control fluids. “The DeepQuest fluid is designed to go from specific gravities of 1.14 to 1.49, or up to over 12 lb/gal. It allows us to use our conventional pumping and surface equipment, saving the customer time and money.”
Pressure (in Pascals) = Height of Column (in meters) * Density of material (Kg/cubic meter) * 9.8 (Gravitational acceleration)
Pressure (in Pascals) = 6000 * 1490 * 9.8