Automatic Latch “UAPGP”

AUTOMATIC LATCHING DEVICE FOR DOWNHOLE GAUGES

Designed for engaging on permanent dowhole gauges installed in the well at the selected depth followed by retrieval to surface.

APPLICATION

It is used in production, observation and injection oil and gas wells as part of a downhole lubricator equipped with a stuffing box on the tubing ø73 mm, in the process of performing well testing and wireline operations permanent downhole gauges and pressure gauges using a winch on a wire, and when scraping the inner walls of the tubing from asphaltene-resin-paraffin deposits.

Operating Principle

The anchor levers lock and hold the auto-release with the device in the coupling connection at the selected depth
The trigger holder, together with the wire, detaches from the auto-release and rises to the surface
The downhole catcher descends on a wire, provides capture and extraction from the tubing of the automatic hook with the device

DESIGN

Features

Reliable sealing of the wellhead during complicated testing/logging operations
Sequential arrangement of gauges in the tubing at different depth points
Well survey during technological operations
Reducing the risk of devices dropping to the bottom of the well in the event of a wire break

Technical Specifications

Body material	Stainless steel
Dimensions (diameter x length)	Ø 87 х 466 mm
Operating pressure	35 MPa
Operating temperature	not more than +100°С
Weight	not more than 9.0 kg