Drill pipe grades include standard API grades (E-75, X-95, G-105, & S-135), as well as proprietary grades. API SPEC 5DP specifies the technical delivery conditions for steel drill-pipes with upset ...
A drill bit is what actually cuts into the rock when drilling an oil or gas well. Located at the tip of the drillstring, below the drill collar and the drill pipe, the drill bit is a rotating ...
While drilling a well cuts through the rock formations ... Also known as setting pipe, casing a well involves running steel pipe down the inside of a recently drilled well. The small space between ...