yes
yes
In general, in order to become a petroleum engineer, you will need to have an engineering degree. You will also need to have done a masters in petroleum engineering.
You have to attend college to become an aeronautical engineer. Colleges and Universities offer a Bachelors of Science in Aerospace engineering.
You will need a firm grasp of physics and mathematics to become an aeronautical engineer.
It is possible since almost the major subjects of both the disciplines match. A chemical engineer can go for post-graduate study in petroleum engineering easily. Generally, chemical and petroleum engineers would work together in a petroleum/oil& gas industry.
Usually a background in Materials Engineering or Physics.
maths,english,physics
http://www.bls.gov/oco/ocos027.htm#training
In order to become a civil engineer you must complete a four year bachelors program, and in many instances, employers might require a masters and ongoing training programs.
Make sure you take subjects like Physics, Chemistry and Mathmatics to become an engineer
Physics and Mathematics.
At least a batchelor's degree in engineering, physics or math with several software projects completed.