PetroWiki was created from the seven volume Petroleum Engineering Handbook (PEH) published by the Society of Petroleum Engineers (SPE). PetroWiki preserves the PEH content in unaltered form while allowing SPE's membership to update and expand content from the published version
There are many sources for searching patents. While they include similar content, the search options,features, and sometimes search results often differ.
(To decipher the parts of a patent, refer to How to Read a US Patent from Queens University.)
Work through solved problems using Schaum's Study Guides.
Use the Library's free Interlibrary Loan service to request books, journal articles etc.