Wellhead
Brief introduction:
Wellheads supplied by Hubei FOTMA Machinery Co.,Ltd. contain many different kinds of configurations. meeting requirements of all kinds of bore frames and casing programs, providing service in different working conditions. Christmas trees and auxiliary equipment are available at your option.Wellheads also can be design and manufactured according to customers’ requirements.
The wellheads and Christmases have won great acclaim from the customers, therein to,patented product“FZ35- -70A”casing head series was awarded a golden medal at“ The Ninth China Patent New Technical&New Product Fair”The products have been lot-exported to many countries and regions, for example, USA,UZBEK, SYRIA, INDIA etc.
| Item | Component | Qty | Material | Remark |
| 1 | Pressure Gauge | 4 | | Standard |
| 2 | Needle Valve | 4 | | |
| 3 | Bull Plug | 1 | 4130 | |
| 4 | Casing Head | 1 | 4130 | |
| 5 | Gate Valve | 1 | | |
| 6 | Casing Spool | 1 | | |
| 7 | Gate Valve | 11 | |
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Casing head
The casing head is a kind of part of connecting casings and wellheads.It is used as supporting the weight of technical casing and oil string casing , sealing the annular space between the casing.
The options of the casing head as follows:
The bottom connection of the casing head shall be either API perfect circle thread casing box or API standard trapeziform casing threaded box, socket welded connection and slip type connection as well .
It can be provided with weld- -group supporting baseplate.
Side outlets are provided with pipeline threaded connection and bolted connection， bolted side outlet is machined with female thread of R1/2 valve-changer.
1. Casing head body structure:
| Item | Component | Qty | Material | Remark |
| 1 | Lock Screw | 12 | 4130 |
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| 2 | Packing Nut | 12 | 5140 |
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| 3 | Packing Washer | 24 | 410 |
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| 4 | Packing | 60 | PTFE |
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| 5 | Slip Type Hanger | 1 |
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| 6 | Casing Head Body | 1 | 4130 |
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2. The four-way casing head structure:
| Item | Component | Qty | Material | Remark |
| 1 | Slip Type Hanger | 1 |
|
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| 2 | Lock Screw Assy | 12 |
|
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| 3 | BT Seal Ring | 1 | NBR |
|
| 4 | Casing Spool | 1 | 4130 |
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| 5 | Grease Fitting | 4 |
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3. Laval hanger structure:
| Item | Component | Qty | Material | Remark |
| 1 | Socket Head Screw | 16 |
|
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| 2 | Upper Lock Ring | 1 | 4140 |
|
| 3 | Seal Ring | 1 | NBR |
|
| 4 | Lower Lock Ring | 1 | 4140 |
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| 5 | Position Circle | 1 | 4140 |
|
| 6 | Slip Body | 1 | 4130 |
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