HELP Decision to make between PE AND CS

I have very confused at the moment. I am going into the Junior year of my Petroleum Engineering program at my university. But, with the job market for PE looking like it is currently I have been thinking about switching my major to CS. There are pros and cons to both but I am not really sure what to do because althoug it would be ideal to major in both it is not very ideal. I was just looking for some advice on this and what I should do just because I feel that it is almost a waste to have got so close to finishing my degree in PE.

I am**

Can’t you double major?