Coventional wellhead and christmas tree

Sanjack’s oil wellhead equipment factory is one of the main branches of Sanjack Group. It is a professional manufacturer specializing in the development, design, production, remanufacturing, maintenance, sales, and service of wellhead and Christmas tree equipment. The factory has 185 employees, more than 200 sets of various large and medium-sized mechanical processing equipment, an annual output of 3500 equipment.

  • Sanjack designs various types of oil wellhead according to the API SPEC 6A and 16A standards.
  • Do the pressure analysis to pressured and forced parts with 3D software to check the strength of the wellhead and Christmas tree.
  • The wellhead and Christmas tree has carried out rigorous tests, such as magnetic particle, ultrasonic, pressure t est and so on.

Function

Christmas tree is a kind of wellhead device used for oil production, such as flowing well and artificial lift well. It is the main equipment for controlling and regulating oil production in the top part of oil wells, mainly composed of casing head, tubing head and X-mas tree .

Model ParameterKY65-21, KY65-35, KY80-21/35
Working pressure (PSI)2000, 3000, 5000
Nominal diameter (inch)2-9/16,3-1/8
Top flange of tubing head7-1/16“~13-5/8”
Bottom flange of tubing head7-1/16“~13-5/8”
Working temperature ℃-29℃-121℃
Working mediaCrude oil
Material classBB/CC/DD/EE/FF
Specification levelPSL1,PSL2,PSL3
Performance levelPR1

1). Casing Heads

c22 casing head

C-22 casing heads feature a versatile straight bore design that can accept a wide variety of slip and mandrel type casing hangers.

Features

Features a 45° landing shoulder capable of supporting maximum loads

Prevents test plugs from wedging under pressure

Outlets

Line Pipe Outlets

Studded Side Outlets

Casing Hanger Compatibility

C-21 and C-22 slip-type casing hangers

Mandrel style casing hangers

Manufacturing Standard

API-6A, PSL-1, DD, L-U, PR-1

Availability

Additional sizes available upon request

Available in C-29 profile (Available upon request)

Lock screws

C-22-BP casing heads are supplied with lock screws for wear bushing retention

C-22-L and C-29-L casing heads are supplied with a full set of lock screws for mandrel casing hanger and packoff retention (Available upon request)

Bottom Connections

Slip-on weld

Slip-on weld with O-ring

Threaded

2). Casing Spools

C-22 casing spools

C-22 casing spools feature a versatile straight bore design that can accept a wide variety of slip and mandrel type casing hangers.

Features

Features a 45° landing shoulder capable of supporting maximum casing loads.

Prevents test plugs from wedging under pressure.

Outlets

Line Pipe Outlets.

Studded Side Outlets.

Casing Hanger Compatibility

C-21 and C-22 slip-type casing hangers.

Mandrel style casing hangers.

Manufacturing Standard

API-6A, PSL-1, DD, L-U, PR-1

Availability

Additional sizes available upon request.

Available in C-29 profile (Available upon request).

Lock screws

C-22-BP casing spools are supplied with (2) lock screws for wear bushing retention.

C-22-L and C-29-L casing spools are supplied with a full set of lock screws for mandrel casing hanger and packoff retention (Available upon request)

Bottom Preparations

PE/BG bottom, for use with PE secondary seal bushing (Standard).

HPE bottom, for use with HPE secondary seal bushing for high pressure applications (Available upon request).

3). Tubing Spools

tubing spools

Tubing heads feature a versatile straight bore design for single and multiple completions. This design accepts all TC series tubing hangers and easily converts from a single completion to multiple completions with the addition and alignment pin(s). The tubing heads are manufactured in API 6A low alloy steel or stainless steel.

Basic Parameters

Nominal size of top flange (in):

  1. 7-1/16 Top flange.

Nominal size of bottom flange (in):

7-1/16, 11, 13-5/8.

Bottom flange working pressure (PSI):

2M, 3M, 5M, 10M, 15M, 20M.

Nominal size of side exit (in):

2-1/16, 2-9/16.

 

Straight-Bore Design

Features a 45° landing shoulder capable of supporting maximum loads.

Outlets

Line Pipe Outlets

Studded Side Outlets

Manufacturing Standard

API-6A, PSL-1, DD, L-U, PR-1 (3M-5M)

API-6A, PSL-2, DD, L-U, PR-1 (10M)

Tubing Hanger Compatibility

WTCM tubing heads accept a wide variety of tubing hanger styles including mandrel and wrap-around.

Bottom Preparations

PE/BG bottom, for use with PE secondary seal bushing (Standard).

HPE bottom, for use with HPE secondary seal bushing for high pressure applications (Available upon request).

Availability

Additional sizes available upon request.

Available with ET (Integral) style lock screws.

Flanged top Tubing Heads available with slip-on weld or threaded bottoms.

Feature Products

OCTG Casing
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  • OCTG Tubing and Casing.
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OCTG Tubing
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  • OCTG Tubing and Casing.
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OCTG Tubing
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  • OCTG Tubing and Casing.
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OCTG Tubing
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  • OCTG Tubing and Casing.
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    Check All Guides

    coventional wellhead and christmas tree
    Supplier Selection Guide
    • Long manufacturing history
    • API&PR2 certification
    • Clients served
    OIL WELL structure
    Oil wellhead Structure Guide
    • Stack up wellhead.
    • Integral wellhead
    • Clients served.
    oil wellhead inspection
    Oil Wellhead Inspection Guide
    • Chemical composition.
    • Mechanical properties.
    • Dimensions, pressure& leakage
    oil wellhead buying guide
    Wellhead Buying Guide
    • Conventional parameters
    • Usage
    • Size requirements