• Model NO.：Customized
• Material：Molybdenum Alloy
• Type：Casing Head
• Package：Plywood Cases or as Per Customers′ Requirements
• Transport Package：Plywood Cases or as Per Customers′ Requirements
• Specification：Customized
• Trademark：FOTMA
• Origin：China
• HS Code：8431431000
• Production Capacity：1000 Pieces,Month

Basic Info.

Model NO. Customized Material Molybdenum Alloy Type Casing Head Package Plywood Cases or as Per Customers′ Requirements Transport Package Plywood Cases or as Per Customers′ Requirements Specification Customized Trademark FOTMA Origin China HS Code 8431431000 Production Capacity 1000 Pieces/Month

Product Description

WellheadBrief 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

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.

Casing head body structure:

Item	Component	Qty	Material	Remark
1	Lock Screw	12	4130
2	Packing Nut	12	5140
3	Packing Washer	24	410
4	Packing	60	PTFE
5	Slip Type Hanger	1
6	Casing Head Body	1	4130

The four-way casing head structure:

 

Item	Component	Qty	Material	Remark
1	Slip Type Hanger	1
2	Lock Screw Assy	12
3	BT Seal Ring	1	NBR
4	Casing Spool	1	4130
5	Grease Fitting	4

Laval hanger structure:

Item	Component	Qty	Material	Remark
1	Socket Head Screw	16
2	Upper Lock Ring	1	4140
3	Seal Ring	1	NBR
4	Lower Lock Ring	1	4140
5	Position Circle	1	4140
6	Slip Body	1	4130

Series TFZ 35-70A casing head
Based on all kinds of drilling and oil-production casing head used in the oilfields at home and abroad ,Series TFZ35- 70A casing head, considering of the actuarial conditions of drilling process flow,is a new patent product ,which gathers all of the advantages of casing heads , simplify installation process and furthers to raise the safety and reliability.

A Main technology parameters
Casing procedure:20"x 133/8"x95/g" x7"or 5'/2";
Connection :
  Of the top: 13 3/8" x 5000psi (10000PSI) flange with gasket ring BX 160 (BX159);
  Of the bottom: 13 3/8" CSG casing thread;
Flange of side outlet: 35 & 65 R27 (70 & 65 BX153);
Supporting load: 5000KN;
Interchangeable hanger: 4". 4^1/2" . 5^1/2" ,7"&9^5/8";
Working pressure: 35MPa (70MPa)
Suitable depth of well: 5000~ 7000m;
Working temp: PU level;
Working medium: Oil, gas and mud;
Vertical bore minimum: 31 6mm;
Rated material class: DD

TFZ35-70A series casing head:

Item	Component	Qty	Material	Remark
1	Packing	25	PTFE
2	Packing Washer	10	410
3	Lock Screw	5	4130
4	Packing Nut	5	5140
5	7"Casing Hanger	1
6	9^5/8" Casing Hanger	1
7	Casing Head Body	1	4130

Matching TFZ35-70A series casing head hanger:

Item	Component	Qty	Material	Remark
1	lock sleeve	1	4130
2	Bolt	4		Standard
3	Fitting	4	4130
4	Inside Sliding Bush	1	4130
5	Inside Seal Ring	1	NBR
6	0- -Ring	1	NBR
7	Outside Seal Ring	1	NBR
8	Outside Sliding Bush	1	4130
9	Retaining Ring	1	4130
10	0- Ring	2	NBR
11	Hanger Housing	1	4130

 Product show

Slip type hanger:
TFZ35-70A series:

Wellhead:


Casing head body:

Casing head cross: