The CHAOS-X Model and Uncertainty Values for Magnetic Directional Surveying

Herland, E. V., Finlay, C. C., Olsen, N., Edvardsen, I., Nordgård-Hansen, E., Laundal, K. M., and Waag, T. I. (2017), The CHAOS-X Model and Uncertainty Values for Magnetic Directional Surveying, Society of Petroleum Engineers, doi.org/10.2118/185895-MS (pdf)