im a petroleum engineer.due to the decline of the cost of barrel of oil.there is minute chance to get in the field of petroleum.so what can i have as a alternate for the job

Despite the decline in the prices of petroleum, it is one of the most important industries so you can look forward to having a good career in it. You can think of various options in the same industry such as exploration, which is highly paid. Alternately you may think of other options based on your aptitude and interests. You can also consider pursuing further education in management like an MBA degree and then look for a job accordingly.