Petroleum Economics Books Needed

[wasteoftime]

Hello,

I am looking for books related to upstream petroleum economics such as:
Decision Analysis for Petroleum Exploration - Paul D. Newendorp
Economics of Worldwide Petroleum Production - F. Allen

or any other book taught at msc petroleum engineering level related to this exploration and production economics.

[wasteoftime]

Any Msc. Petroleum Engineering from Heriot-Watt course material is also requested if available. Thank you for your time and effort in helping!