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
Tubing Size |
F. N. |
Connection |
PN. |
2-3/8" |
1.375" |
15/16UN |
W0*-0*.0*.00 |
2-7/8" |
1.375" |
15/16UN |
W0*-0*.0*.00 |
3-1/2" |
2.313" |
1-1/16UN |
W0*-0*.0*.00 |
4-1/2" |
2.313" |
1-1/16UN |
W0*-0*.0*.00 |
III. Structural features
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.
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