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PETROLEUM TECHNOLOGY COMPANY
- Improving well performance and integrity
Solutions

ShearLift-A Annulus Pressure Activated GLV

ShearLift-A

PTC’s ShearLift-ATM annuls pressure activated Gas Lift Operating Valves, are accredited to the most extreme barrier and erosion testing requirements. ShearLift-ATM's unique design eliminates the need to run a dummy valve, thus saving significant time during well completion or commissioning. The product family has an excellent track record since its introduction in 2009

 

Challenge

When completing new gas lift wells the standard practice is often to install dummy valves in all side pocket mandrels. These dummy valves provide a barrier between the annulus and the tubing during the well completion phase. Before the wells can start producing, the dummy valves need to be replaced with gas lift valves. These intervention operations are often time consuming and costly.

 

Solution

Petroleum Technology Company’s ShearLift-ATM valve has a unique design, which utilizes the barrier technology from the standard SafeLift. The ShearLift-ATM valve provides a barrier between the tubing and annulus when installed in a side pocket mandrel.

 

The check valve is held in the closed position by a shear device located in the nose section of the valve. Increasing the annulus to tubing differential pressure, to a predetermined level shears the valve open. This allows communication from annulus to tubing.

 

Costly change out of dummy valves in new completions can be avoided using ShearLift-ATM.

 

Features

  • Act as a dummy valve until shear open

  • True metal-to-metal back check seal

  • Patented shear design

  • The check design eliminates vibration and chattering and protects the metal-to-metal seals from erosion

  • Barrier qualified

  • Premium metallurgy

  • CFD simulations and erosion tested

  • Suitable for harsh environments (H2S and CO2)

  • Square-Edge, Stealth and Venturi orifices available

 

Benefits

  • Field proven design and operation

  • Considerable time saving, as no wireline intervention required prior to production start up

  • Best in class reliability and longevity ensures
    enhanced productivity and well integrity

  • Offers protection against tubing collapse  (ShearLift-ATM).

 

For specifications please see relevant product flyer.

 

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