Samples of oil taken from a sheen above the site of the sunken Deepwater Horizon oil rig and BP's Macondo 252 well matches oil released from the well during the 2010 spill, the U.S. Coast Guard ...

See the well diagram in Figure D-1. FIGURE D-1 Well diagram. 1. Pressure differential at the start of the negative test: p o = pressure outside the casing at the bottom (psi), assumed equal to ...

HOUSTON — An official says a high-ranking employee indicated a pressure test problem had been resolved hours before BP's Gulf of Mexico well blew out. Daun Winslow works for Transocean, which owns the ...