Hacker News new | past | comments | ask | show | jobs | submit login

You don't have to trip if your cutting tool never wears out. You fix it to the end of a casing string and just keep adding lengths. The hole is cased as soon as it's drilled.



And so when you go to cement your casing in place, you, what?, cement your brand new indestructible quaise 'drill bit' in the hole?

Sorry, I think not. Neat idea, but there's big holes in that in practice.




Consider applying for YC's Fall 2025 batch! Applications are open till Aug 4

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: