Hoang Hong, L., Nguyen Thanh, T., Nguyen Xuan , Q., Bui Van, T., & Vu Van, H. (2017). Research and test application of the new mud system KGAC-Plus at highly deviated wells with complex trajectory and geological conditions. Petrovietnam Journal, 11, 17 - 26. https://doi.org/10.25073/petrovietnam journal.v11i0.206