No-go nipple:

Terms Related to No-go nipple

• 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 ...

• Work string

  The string of drill pipe tubing suspended in a well to which is attached a special tool or device that is used to carry out ...

• Workover string

  The string of drill pipe or tubing suspended in a well to which is attached a special tool or device that is used to carry ...

• Top drill

  A drillable tool configuration allowing the opening of formation pressure, during drillout, prior to cutting through the tools slips.

• Casing-patch tool

  A special tool with a rubber packer or lead seal that is used to repair casing. When casing is damaged downhole, a cut is made ...

• Fill-up line

  The smaller of the side fittings on a bell nipple, used to fill the hole when drill pipe is being removed from the well.

• Retrievable wireline choke

  A bottomhole choke run on wireline and landed in a nipple profile in the tubing string.