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Minimum API Torque should be followed when making up connections. Avoid special position makeup. Drifting of connections after makeup is strongly suggested. Thermoplastic liners can be mechanically damaged. Please visually inspect rod string and boxes to make sure they are free from sharp edges or corrosion damage. Thermoplastic liners are inert to most chemicals and acids. Thermoplastic lined tubular creates an ID restriction; please refer to the Common Oilfield Dimensions chart and drift sizes.
Remember, liners protect the ID of your tubular. If you start with yellow banded pipe, then in 10 years, you will still have yellow band pipe unless you have an environment that deteriorates the OD of the steel. Rod guides are not recommended in rod wells. The unique mechanical bonding process allows the ability to line used tubing. Thermoplastics do not add strength to the steel. Evaluate structural integrity of the steel tubing before lining and installation. Hot oiling or hot watering can be performed on thermoplastics with a recommended minimum safety margin of -10°F liner temperature limit to allow room for error in field temperature measurements and uneven heating of fluids. Thermoplastic liners can be used in horizontal wells where the pump is set below kick-off point. Thermoplastic liners can be used in wells that are highly deviated, dog legged, or corkscrewed.
Successful Water Injection and Disposal Applications of Thermoplastic Lined Downhole Tubing
Successful Oil and Gas Production Well Applications of Thermoplastic Lined Downhole Tubing
Mitigating Downhole Corrosion and Wear Failures Technical Paper
Sucker Rod Coupling Friction in HDPE Lined Tubing Technical Paper
Thermoplastic Liners – Reduce Downhole Failures Technical Paper
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Western Falcon has demonstrated success in over 70 million feet (20 million meters) of pipe in the last 20 years! There is not a well we can’t fix.