Here are the resources you need to learn about geosteering.
1. Learn the basic of geosteering HERE, a blog by Patrick Tobin.
2. Video from Geosteering Technologies on what is happening downhole while we are geosteering.
3. Article from E&P magazine written by Dr. Mike Stoner on technical considerations while geosteering.
4. An AAPG post explaining the challenges in geosteering.
5. Presentation from SPE Distinguished Lecturer Program on “Advanced Geosteering for Optimal Exploitation of Hydrocarbon Reserves”.
6. A FREE ebook on Basic Well Positioning by Prof Angus Jamieson.