### 16 – Ancient Logs  
Sold by [Crain's Petrophysical Handbook](/content/store/ross-crain-petrophysical-handbook/index.html)  
$99.00

### Products  
- [All Courses](/content/shop/index.html)  
- [Training Categories](/content/oil-and-gas-training-categories/index.html)  
- [Gift cards](/content/gift-cards/index.html)

### Support  
- [Frequently Asked Questions](/content/faq/index.html)  
- [Support](mailto:support@petrolessons.com)  
- [Request Course](mailto:info@petrolessons.com)  
- [Contact us](mailto:info@petrolessons.com)

### Shopping cart  
We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it.

### Categories  
- [Brazil](/content/product-category/brazil/index.html)  
- [Business](/content/product-category/business/index.html)  
- [Communications](/content/product-category/communications/index.html)  
- [Geopolitics](/content/product-category/geopolitics/index.html)  
- [Geosciences](/content/product-category/geosciences/index.html)  
- [IT](/content/product-category/it/index.html)  
- [Instrumentation](/content/product-category/instrumentation/index.html)  
- [Petrophysics](/content/product-category/petrophysics/index.html)  
- [Production](/content/product-category/production/index.html)  
- [Project Management](/content/product-category/project-management/index.html)  
- [Reservoir Engineering](/content/product-category/reservoir-engineering/index.html)  
- [Software](/content/product-category/software/index.html)  
- [Safety](/content/product-category/safety/index.html)  
- [Well Engineering](/content/product-category/well-engineering/index.html)