Application of polypropylene nanosilica as additives in water based mud to improve rheological properties and shale stability - Muhamad Hakim Mat Nasir, 1989-, author 625907; Muhammad Noorul Anam Mohd. Norddin, 1971-, supervisor 501965; Fakulti Kejuruteraan. Sekolah Kejuruteraan Kimia dan Kejuruteraan Tenaga 619081 (Johor Bahru, Johor : Universiti Teknologi Malaysia, 2019)