A wireline-retrievable gas lift valve is a downhole flow control device designed for installation in side-pocket mandrels within production tubing strings. These valves enable efficient gas injection into the production stream to enhance oil recovery through artificial lift. ​​Application Highlights​​ •​​Deepwater Fields​​: Activates low-permeability reservoirs with 40% production boost. •​​Sandy Wells​​: Erosion-resistant seats achieve 400-day sand-free operation in Shengli Field. •Marginal Fields​​: Payback period <6 months via low-intervention slickline operations.


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ModelTypeKey DifferencesUnit PriceApplication Scenarios
KFT-25.4Standard Wireline-Retrievable Gas Lift ValveWorking pressure ≤10,000 psi (69 MPa)$190Medium-depth wells with stable injection pressure
KFT-25.4-HPHigh-Pressure VersionReinforced structure, pressure rating ≥15,000 psi (103 MPa)$260Deep/ultra-deep wells with fluctuating injection pressure
DLT-22.4Matching Fishing NeckCompatible with 22.4mm valve diameter$50For use with KFT series valves