FUZER API 6A Wellhead & Christmas Tree for Onshore Production Pads

Created on 10.15

Onshore Production Pad Operating Conditions

The photo shows a FUZER API 6A Christmas tree configuration for mature flatland onshore production: master and wing slab gate valves, adjustable choke, gauge assembly, and a flanged production flowline. This type of package is engineered for accessible land-based well sites where crews perform regular patrols, manual valve operation, routine pressure checks and on-site maintenance.

Flatland onshore fields usually have good road access and open pad layout. The main operational demand is long-term continuous high-pressure production with stable sealing performance and easy technician access.

FUZER API 6A surface production Christmas tree on onshore oilfield production pad

Photo Caption: FUZER API 6A wellhead and Christmas tree assembly on a flatland onshore production pad.

What the Configuration Includes

Casing head and tubing spool interface
Lower and upper master valves
Production wing valve and kill wing valve
Adjustable choke assembly
Pressure gauge assembly with needle valves
Swab valve for wireline / well intervention access
Flanged production flowline connection
Optional surface safety valve (SSV) for emergency shut-in

All slab gate valves are selected for positive isolation, metal-to-metal sealing and repeated manual operation under sustained wellhead pressure.

Built for Continuous Production Service

Mature onshore wells demand equipment that runs for long cycles with low intervention frequency. FUZER selects valve trim, seals, coating and material class according to well parameters.

Pressure ratings from 2,000 psi to 15,000 psi, nominal sizes from 2-1/16″ to 7-1/16″, material classes AA–FF, and NACE MR0175 / ISO 15156 sour-service options are available. Temperature classes L, P, R, S, T and U can be configured per field condition.

Assemblies are designed and manufactured to API Spec 6A. Choke-and-kill manifolds, circulating hose loops and flowline accessories can be supplied to API 16C where the project requires it.

Quality Assurance

Every FUZER wellhead and Christmas tree assembly is built under ISO 9001 quality management and API Q1–based process control. Before shipment, each unit completes:

material validation and MTR review
dimensional and machining inspection
NDT: MT / PT / UT / RT as per PSL
hydrostatic shell and seat testing
pneumatic / gas tightness test where specified

API 6A documentation package

API Q1 registration and API 6A monogram license documents can be supplied if applicable. Third-party inspection by SGS, BV, DNV or client inspector is supported.

FUZER Oilfield Equipment Supply

Hebei Fuzer Technology Co., Ltd. manufactures and exports wellhead & Christmas tree assemblies, drilling spools, API 6A valves, casing heads, flanges, hammer unions and pup joints. We serve drilling, completion and well-control projects in Southeast Asia, the Middle East, Central Asia and Africa.

Explore our full range of wellhead assemblies, Christmas trees and oilfield wellhead valves at https://www.well-headvalve.com/en/productList

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