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A gas tie-in primer from TAG Oil COO Drew Cadenhead P.Geol.

LTS Skid

LTS Skid: This is the guts of our process. The LTS skid is where we send our high pressure rich gas and it flows through a JT (Joules Thomson) valve. Through this JT valve there is a significant pressure drop, and in turn the temperature drops as well. The temperature drop causes liquids entrained in the gas phase to drop out. These liquids, once dropped out, remain stable in liquid form and are shipped to our tanks.
 

Gas-to-gas exchangers

Gas-to-Gas Exchangers: The gas-to-gas exchangers on the skid help with the JT effect, where the two gas streams flow past each other in separate tube bundles.
 

Gas Export

Gas Export: This is the cash register. We have a gas coalescer vessel on the skid to ensure we don’t flow any debris or liquids through our Coriolis meters. All that’s left then is gas, and the Coriolis meters measure the flow volumes that TAG Oil gets paid on.
 

Vector Hot Tap

Vector Hot Tap: Not much to look at, this is the entrance point for TAG Oil gas into the Vector system and then onto sales. Vector can’t take a transmission line out of service for a tie in, so the hot tap is a high pressure, live tie in. TAG’s tie in work is being done with large amounts of Vector gas flowing through the line at high pressure.