Casing Head
Product Quick Detail
- FOB Price
- USD $200,000.00 / Piece
- Place Of Origin
- china
- Minimum Order
- 1
- Packaging
- N/A
- Delivery
- 45days
Specifications
Casing head is a kind of new product which is designed according to customers' requirements and applied in all deep wells and completion operation. lt is mainly used to fix wellhead connect casing
string and seal, and control the pressure of casing annular space. The casing head assembly consists of the casing head, valve spool, casing hanger and bypass valve.
wellhead casing head is made of low-alloy steel with good loading capacity and H2S penonnance. The connection type is divided into welded types: threaded type and slip type. The casing hanger is
equipped with cons-shape sealing mechanism and BT sealing mechanism. Its sealing mechanism is superior under the force of gravity, which can be used more conveniently 2nd quickly in the field. Its
structures can be divided into mandrel and slip types.
Features of Casing Head:
1.The casing is hung with a rigid and rubber composite sealing structure, and a metal seal can also be used to reinforce the sealing performance of the product;
2.Designed with anti-wear sleeve and pressure test removal tool to facilitate the removal of the anti-wear sleeve and the pressure test of the casing head;
3.Casing head flank valve configuration, designed according to user requirements
Application of Casing Head：
The casing head is installed at the upper end of the surface casing string, and is used for suspending the casing of the casing other than the surface casing and the wellhead device component of
the annular space of the sealing casing. The main functions are as follows:
1. Hanging part or all of the weight of each layer of the casing other than the surface casing by the hanger;
2. Connect a wellhead device such as a blowout preventer;
3. Forming a pressure seal between the inner and outer casing strings;
4. Providing an outlet for releasing pressure that may accumulate between the two casing strings;
5. In an emergency, the fluid can be pumped into the well from the side hole of the casing head, such as killing fluid or fire extinguishing agent;
6.Special operation: a. The cementing quality is not good. The side hole can be filled with cement. b. When acidizing and fracturing, the pressure balance liquid can be injected from the side hole.
Technology Parameters of Casing Head:
Casing Program 20 〞 X13 3/8 〞 X9 5/8 〞 X 7 〞or 5 1/2 〞
Side Outlet Connection PFF35/80 ring gaskets ：R35
PFF70/65 ring gaskets ：BX153
Load Bearing ≤ 5000KN
Hanger Type 4 〞、 5 〞、 4 1/2 〞、 5 1/2 〞、 7 〞
Working Pressure 35Mpa～70Mpa
Performance Requirement Level PR1
Product Specification Level PSL1-3
Temperature Class P·U （-29℃～121℃)
Material Class AA～FF
SAIGAO GROUP, as an excellent oil equipment suppliers, offers a wide range of oilfield cementing tools for you to choose from.
- Country: China (Mainland)
- Business Type:
- Market:
- Founded Year:2008
- Address:Zhongrun Century Center, No 12111,Jingshi Road, Lixia District, Jinan City, Shandong Province. P.R. China
- Contact:Rex Liu
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