W&T Offshore has entered into a purchase and sale agreement with ExxonMobil. After this, W&T will acquire the assets of the energy major in the eastern region of the Gulf of Mexico (GOM) and other related facilites. This deal is worth $200 million. This acquisition includes working interests in nine shallow water producing fields and related operatorship in the Mobile Bay area. It will help W&T become the largest operator in the area.