Peggy, thanks for the photo. The photo is clear and shows the ring well. You still need to look with a magnifier if possible to see if the stones are cemented in place. I have seen stones set like this
Dear Peggy, I have no way to identify the stones without an examination. However, with the mounting considered, I suspect the stones are some type of man-made costume gems. The stamping HGE means "heavy
Sikander, I have yet to see the study about tight gas. However, apart from the interpretation you mentioned, subsurface extent of the formation is also delineated to estimate the possible reserves.
In large companies, you are paid by your value to the company. There are something like 15,000 geologists registered with the AAPG, but a lot fewer Petroleum Engineers. If you do a query online for
Ryan, Good to receive questions from far off places! This is the age of specialization, which is getting more and more 'specialized' with time. I would recommend/prefer that you decide one field

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