Casing Head
Casing headis 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 assemblyconsists of the casing head, valve spool, casing hanger and bypass valve.
wellhead casing headis 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:
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:
- 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.
Send product request
Other supplier products
 |
Manifold | Overview of china manifold A manifold is a combination of multiple pipes. The manifold includes gate valves, pipelines, pipe fittings, pressure ga... |
 |
Drill Pipe | The drill pipe chinais a steel pipe with a tail thread for connecting the surface equipment of the drilling rig and the drilling equipment or botto... |
 |
Cement Manifold | Cement manifold is used to control the cement fluid from cementing pump and transform the cement fluid to wellhead and accomplish cementing operati... |
 |
MUD PUMP | Mud Pump is also a popular concept of a wide range of pumps. Different regions, habits, and ultimately the pump type will not be the same. The mud ... |
 |
Non-Rotational Cement Float Collar | Non-Rotational Cement Float Collar SAIGAO GROUPCement/Plunger-type float equipment offers dependable performance for all classes of oil and gas we... |
Same products
 |
Wax injection | Seller: Yihui casting Technology Co., Ltd. | Wax injection This category mainly includes the MAXWAX brand wax injection machinesdeveloped and... |
 |
Moulding tools | Seller: Yihui casting Technology Co., Ltd. | Moulding tools Casting supplies a complete range of jewellery moulding tools designed for profes... |
 |
Moulding machines | Seller: Yihui casting Technology Co., Ltd. | Moulding machines YihuiCasting provides advanced mold making equipments for jewelry designed for... |
 |
3D printer | Seller: Yihui casting Technology Co., Ltd. | 3D printer YihuiCasting provides advanced 3d jewelry printers designed for modern jewelry produc... |
 |
3D Design | Seller: Yihui casting Technology Co., Ltd. | 3D Design This category includes all 3D printers and relevant spare parts like release films, re... |
