How to determine total vertical stress sigma V due to weight of overburden rock, and minor horizontal total stress sigma hmin from density log.
closed as off-topic by Matthew Haugen, Robert Cartaino♦ Jan 2 '15 at 19:20
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "Production and Technology Questions Are Off Topic — Ask Patents is a community-run website to ask about the patent process or to help find Prior Art on US Patents or Applications. Unfortunately, questions about the underlying technology or production of products covered by these patents are outside the scope of this site. Sorry about the confusion." – Matthew Haugen, Robert Cartaino