Provide reservoir engineering support across producing assets, developments, and new projects, including reservoir surveillance, pressure transient analysis (PTA), reservoir simulation, history matching, production optimization, forecasting, and reserves evaluation. The key focus for INEOS Energy Petroleum USA Inc. (the US Gulf) is to influence our partners in our two major assets, along with a portfolio of smaller assets, and to acquire, explore, develop and produce a growing inventory of world class assets in the US Gulf.