The Woodlands, TX-Based Oil & Gas Co Anadarko Petroleum Corp 4Q 2017 Net Income Was $1.039 Bil, an Earnings Improvement of $1.491 Bil From the 4Q 2016 Net Loss of $0.452 Bil ....................................................................................... $1.170 Bil or 113% of Anadarko Petroleum's 4Q 2017 Net Income of $1.039 Bil Was Due To the US Tax Debt Forgiveness Feature in the Texas-Favored US Trump Tax Bill