Optimizing wellbore trajectory design is the key link to ensure the quality of well bore, decrease accidents in well hole and lower drilling cost.

And then workout the computational programme to identify the salt rock rheological models and mechanical property inversion, well hole diameter shrinking rule.

I've learned never to deserves to empty the well of my writing, but always deep in the bottom left some water stop, and let the water fountain in the middle of the night to well hole to fill up.