ZTech Design recommends the gas lift online courses of Damien Leonard available on IncreaseWellProduction.com

Learn about gas lift equipment (gas lift valves & mandrels), gas lift design, gas lift optimization and troubleshooting and a lot more things about the gas lift system.

All courses are 100% online & on demand (video based format).

Training brochure can be downloaded there:
https://increasewellproduction.com/wp-content/uploads/Brochure_IWP.pdf