The N type test tool is primarily used to pressure test production tubing strings.

Typically used for pressure testing tubing integrity during or after completions operations.

The N type test plug can be dropped and pumped into place, or be run with slickline.

The N type test tool can either but used with a metal to metal seal on the no-go ring.

Applications:

Pressure testing production tubing if a hole or communication is suspected.

Checking tubing integrity before bottom holes pumps are installed or a activated.

used to retain fluid or chemical in the tubing string during maintenance of the wellbore.