QLS SR Tubing Perforator Punch Wireline Pulling Tool

QLS SR Tubing Perforator Punch Wireline Pulling Tool

Tubing Perforator Punch Wireline Pulling Tool

Ⅰ. Introduction

Tubing Perforator Punch is a mechanical device designed to perforate standard

and heavy wall tubing under pressure. Deployed into the well by conventional 

means, the perforator punch requires no explosives, therefore the possibility 

of perforating the casing is eliminated.
The design benefits include:
Greater tubing penetration
Positive indication of perforation on tool removal
Safety release mechanism, allowing the tool to be retrieved from the well without

perforatin.The perforator is designed to withdraw the punch and release automatically

after perforating Utilizes upward jarring impacts f or perforation action
The perforator punch is used in conjunction with a tubing collar or slip type stop, which

provides an anchor point to activate the tool.

Ⅱ. Specification

III. Structural features

The tubing perforator is mainly composed of the body, housing, punch holder, punch, bushing , catch, spring,

bottom contactor, etc.There are two slopes on the body which are used to pull the body and make the punch

move at the radial direction. The punch holder is used to provide movement track for the body, and the punch

is installed on it. The upper part of the housing is equipped with slip insert which can bite on the inner wall of

tubing. The spring and catch are installed on the body to lock the body on the housing after punching. When

the tubing perforator is at the initial position, the body and the housing are fixed with the shear pin to prevent

the punch from being exposed.