API 스펙 7-1 SY/T5144 석유 굴착용 슬릭 스파이럴 비자극 굴착 목걸이

4 드릴 스트링
July 31, 2025
Keyword: 스핀 들
Video Description:
Discover the API Spec 7-1 SY/T5144 Slick Spiral Non Magnetic Drill Collar for petroleum drilling. This high-performance tool provides weight-added guidance, stabilizes wellbores, and transmits torque efficiently. Ideal for deep and complex formations, it ensures durability and precision in drilling operations.