Author: Ali, Sherif Ahmed Ezz El-Deen./ Title: Studying of The Frequent Drill String Twist-off While Drilling Khoman Formation, Western Desert, Egypt /
![Washout failures occurred on the external surfaces of the drill pipes... | Download Scientific Diagram Washout failures occurred on the external surfaces of the drill pipes... | Download Scientific Diagram](https://www.researchgate.net/publication/322011532/figure/fig6/AS:628837348036608@1526937915099/Washout-failures-occurred-on-the-external-surfaces-of-the-drill-pipes-33.png)
Washout failures occurred on the external surfaces of the drill pipes... | Download Scientific Diagram
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