the rigor, discipline, and degr of accountability reired to improve safety performance, are the same qualityings producing safety business results operationally and fiscally. safety is not proprietary, and we share these practices in our industry and other industries. we seek to learn from others. after the 2003 space shuttle explosion, they developed a team of experts to study the technological and organizational factors that may have led to the disaster and whether there was any lessons for operations. it is by learning and analyzing, but looking to best practice and other organizations and examining near misses of our own that we continually improve our own performance. i know in commission has heard a lot about the importance of deep water supplies, but the technology enabling us to reach the oil is one the significant security develops over the last 20 years. deepwater production that didn t exist prior to to 1989 today makes up 15% of production. by the year 2030 it wil