Backup element:

Terms Related to Backup element

• Backup ring

  A cylindrical ring, usually vise-shaped, employed to back up (or assist) a sealing member against extrusion under temperature and pressure.

• Bit

  1. The cutting or boring element used in drilling oil and gas wells. This bit consists of a cutting element and a circulating element. The ...

• Pack-off

  (n) a device with an elastomer packing element that depends on pressure below the packing to effect a seal in the annulus. Used primarily to ...

• Packer

  A piece of downhole equipment, consisting of a sealing device, a holding or setting device, and an inside passage for fluids, used to block the ...

• Stripper rubber

  1. A rubber disk surrounding drill pipe or tubing that removes mud as the pipe is brought out of the hole. 2. The pressure-sealing element ...

• Drill bit

  The cutting or boring element used for drilling. See bit.

• Blind ram

  An integral part of a blowout preventer, which serves as the closing element on an open hole. Its ends do not fit around the drill ...