Earn 100k working in the oil industry. www.oilcareer.com will show you how to find oil rig jobs with oil companies such as exxon conoco Shell Amoco BP Chevron PetroFina Texaco ENI. There are many dirty jobs in petroleum offshore welding engineer ExxonMobil Royal Dutch Shell British Petroleum Amoco Total PetroFina Elf Aquitaine Arco Repsol