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PETROLEUM TECHNOLOGY COMPANY
- Improving well performance and integrity
Solutions

ShearLift-T Tubing Pressure Activated GLV

ShearLift-T
Interventionless Barrier Gas Lift Valves

PTC’s ShearLift-TTM are the only Gas Lift Valves that allow multiple IPOs and orifice GL valves to be simultaneously sheared open using tubing pressure. ShearLift-TTM’s unique design eliminates the need to run dummy valves, thus saving significant time during well completion or commissioning. To date, an average of two days rig time has been saved per well.

 

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-TTM valve has a unique design, which utilizes the barrier technology from the standard SafeLift®. The ShearLift-TTM 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 tubing to annulus differential pressure, to a predetermined level, shears open all ShearLift-TTM (IPO & Orifice) valves in the tubing string. This allows communication from annulus to tubing.

 

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

 

Features

  • A shear system that can be utilized in wells with multiple GLV´s (IPO & Orifice valves) in the tubing string

  • Act as a dummy valve until shear open

  • All ShearLift-T valves open during one operation

  • 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

 

 For specifications please see relevant product flyer.

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