Manual ram bop “PR-TEKHNO”

For running in hole and retrieving downhole tools on a slickline whilst sealing off a wellhead

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Manual ram blowout preventer “PR-Tekhno” is used as a section of a pressure control equipment (lubricator) while performing logging or fishing in wells with X-mas trees. It is designed to seal a wellhead in the process of running slickline or wireline conveyed downhole tools in and out of a well.
The preventer is used while performing well logging or other well interventions at wellhead pressure of 35 MPa; ambient temperature ranging from -40 to +50°С and maximum wellhead temperature up to +100°С.

Application

Manual ram preventer “PR-Tekhno” is an emergency locking equipment enabling running in and retrieving downhole tools conveyed either on a scraper slickline or a cable wireline while keeping a wellhead sealed.

Preventer rams

Preventer rams with wedge cut piston

Preventer replacement seal for PR-Techno preventer

Preventer rams with straight-sided piston

Depending on its type “PR-Tekhno” preventor by OOO NPF “TehSmart” can have the following design options:
- with wedge cut piston,
- with straight-sided piston.
Replaceable rubber seals are shipped with any preventor by default. They are universal and fit both types of pistons.

The PR-Techno plug-in preventor is lightweight, making it easy to transport and install at the well site.

The PR-Techno design allows for quick change of dies for working with different types of wire or cable.

Thanks to the modernised stem design and die shape, the preventer guarantees quality sealing of wire or cable in active oil and gas wells.

Preventer PR-Techno is universal and compatible with all shear bar preventers used in a bundle (herringbone).

Versatility

Technical Specifications

The preventer is mounted on the top flange of the Christmas tree and is securely connected to the receiving nozzle (tubing head) of the lubricator.

A downhole tool connected to a tether or geophysical cable is inserted into the lubricator.

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By turning the preventer handle to the stop, sealing is carried out. Preventer PR-Techno preventer plugs are driven manually, which eliminates the need for special hydraulic equipment.

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A set of interchangeable dies allows you to quickly change the diameter of the cable or wire to be sealed.

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