Hilmawan H, Pratiwi DK, Mataram A. Conductor Pipe Casing Welding in Onshore Drilling Rig: Shield Metal Arc Welding. sjca [Internet]. 2022May15 [cited 2025Jul.16];1(1):28-2. Available from: https://jurnal.penerbitsign.com/index.php/sjca/article/view/153