- Article
Research on Dynamic Calculation Methods for Deflection Tools in Deepwater Shallow Soft Formation Directional Wells
- Yufa He,
- Yu Chen,
- Xining Hao,
- Song Deng and
- Chaowei Li
The shallow, soft subsea formations, characterized by low strength and poor stability, lead to complex interactions between the screw motor drilling tool and the wellbore wall during directional drilling, complicating the accurate evaluation of the t...

