API : Decline Crude Oil and Emulation

[Mohamed]

i need help with sources for the following
API : Decline Crude Oil and Emulation

[Yengineer]

Is that a certain API publication? or are you looking for decline analysis material.

[Mohamed]

Is that a certain API publication? or are you looking for decline analysis material.

I have only this title and i think it mean API report concering Decline Crude Oil and Emulation from the world