APIスペック 7-1 SY/T5144 石油掘削用スライススピラル型非磁気ドリルカラー

4 ドリルストリング
July 31, 2025
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.