Fill-up line:

Terms Related to Fill-up line

• Bell nipple

  A short length of pipe (a nipple) installed on top of the blowout preventer. The top end of the nipple is flared, or belled, to ...

• Sand line drill

  A device run on cable-tool drilling line, a service machine, or sand line of a rotary rig to drill up tools, remove downhole debris, and ...

• Bull plug

  A threaded nipple with a rounded, closed end used to stop up a hole or close off the end of a line.

• Bell hole

  A bell-shaped hole dug beneath a pipeline to provide room for use of tools.

• Mud return line

  A trough or pipe that is placed between the surface connections at the wellbore and the shale shaker and through which drilling mud flows upon ...

• Pig

  1. A flow line clearing device, pumped through the line with normal flow. 2. A scraping tool that is forced through a pipeline or flow ...

• Control line

  A small-diameter hydraulic line used to operate downhole completion equipment such as the surface controlled subsurface safety valve (scssv). Most systems operated by control line operate ...