Christmas tree | Energy Glossary

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Christmas tree

1. n. [Drilling]

The set of valves, spools, and fittings connected to the top of a well to direct and control the flow of formation fluids from the well.

See: cellarformation fluidshut-in bottomhole pressureshut-in pressure

2. n. [Well Completions]

An assembly of valves, spools, pressure gauges and chokes fitted to the wellhead of a completed well to control production. Christmas trees are available in a wide range of sizes and configurations, such as low- or high-pressure capacity and single- or multiple-completion capacity.

See: chokefrac stackfrac treepressure gaugeproduction tree

Christmas tree.
Christmas tree.