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 .

1). Casing Heads

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

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 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.

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 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):

11. 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

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.