Independence
2024/06/17

During inner drilling, the borehole wall becomes temporarily self-supporting.

Hello, everyone. This is Enta. It looks like we’re about to enter the rainy season. This year, it’s been insanely hot even before the rainy season started, and it’s been raining like crazy. Let’s be extra careful with the rain this year! But anyway… When drilling with a double-bore method, the hole remains stable on its own. With a single-bore method, it’s really hard to…