Wellhead & Christmas Tree Maintenance

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Black Stock offers a comprehensive Wellhead & Christmas Tree maintenance service for all existing sections including Casing Head, Casing Spool, Tubing Head, and Christmas Tree in:

•  Preventive Maintenance (PM).

IN WELL-HEAD & CHRISTMAS TREE PREVENTIVE MAINTENANCE, WE PROVIDE:

•  Personnel & Equipment on a call-out for onshore locations
•  Physical inspection of Wellhead and Christmas Tree component
•  Lubrication of valves and actuator
•  Injection of grease & sealant into Valve Body cavities
•  Tubing Head Void Test
•  Pressure/function test of valves & actuators
•  Casing head pressure void test.    Corrosion and erosion inspection. Cleaning, preservation & painting. Inspection & work report. Updating data & wellhead stack-up configuration.

IN ADDITION, WE WILL ALSO CONDUCT PERIODIC MAINTENANCE WHICH INCLUDES:

•  Critical Device Function Test (CDFT) using wellbore pressure on all Christmas tree valves.
•  Cycling & Leak test on Surface Control Subsurface Valve (SCSSV), Tubing Retrievable Surface Control Subsurface Safety Valve (TRSCSSV), and Wireline Control Subsurface Safety Valve (WRSCSSV).
•  Function test on actuators.
•  Flushing of valves (to remove undesirable foreign materials from internal of valve).