Hoang Thanh Tung, Nguyen Pham Huy Cuong, Tran Hong Nam, Le Quang Duyen, & Dao Thi Uyen. (2019). Optimised under-reamer string design for the wells in Hai Thach field, Nam Con Son basin. Petrovietnam Journal, 1, 50-57. Retrieved from https://www.pvj.com.vn/index.php/TCDK/article/view/212