-Engine atau prime mover sebagai power system
-Derrick (menara) dan substructure
-Peralatan angkat (hoisting equipment) : drawworks, drilling cable, crown block, -travelling block dan hook.
-Peralatan putar (rotating equipment) : rotary table, kelly, swivel, drill stem
-Sirkulasi lumpur (circulating system): mud pitch, mud pump, discharge line, stand -pipe, rotary, hose, swivel, inside (kelly, driII pipe, drill collar, bit), annulus (drill collar, drill pipe, flow line, mud screen, mud pitch, suction tank).
-Blowout Preventer system
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