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.
在线联系供应商
Other supplier products
 |
Non-welded Hinged Semi-rigid Bow Spring Centralizer | Saigao's non-welded hinged semi-rigid bow spring centralizers ensure high efficiency in casing jobs on deviated and horizontal wells. Combining the... |
 |
BW1500/12 Horizontal Four Cylinder Reciprocating Single Acting Piston Pump | Four 1500/12 mud pump is horizontal four cylinder reciprocation single acting piston pump. It is widely used in mining, drilling, coal, railway, h... |
 |
Fracturing Tree | The fracturing tree (frac tree wellhead) is a piece of wellhead equipment used to direct and control oil & gas from the well. It is an assembly... |
 |
Multiple Orifice Choke Valve | Orifice choke valve adopts a rotating fork, generally speaking, orifice choke valve only need 90° or 180° rotating direction, in this way, ... |
 |
Non-rotating Stabilizer | Non-rotating stabilizer(rubber sleeve stabilizer) is able to avoid blade wear and wall damage during. The non-rotating stabilizerconsists of mandre... |
Same products
 |
Shoes Flexing Tester | 卖方: 千实精密机电仪器检测设备有限公司 | TRANSLATE with x English Arabic Hebrew Polish Bulgarian Hindi ... |
 |
Shoelace Abrasion Tester | 卖方: 千实精密机电仪器检测设备有限公司 | TRANSLATE with x English Arabic Hebrew Polish Bulgarian Hindi ... |
 |
Heel Fatigue Tester | 卖方: 千实精密机电仪器检测设备有限公司 | TRANSLATE with x English Arabic Hebrew Polish Bulgarian Hindi ... |
 |
Heel Impact Tester | 卖方: 千实精密机电仪器检测设备有限公司 | TRANSLATE with x English Arabic Hebrew Polish Bulgarian Hindi ... |
 |
Ross Flex Tester | 卖方: 千实精密机电仪器检测设备有限公司 | TRANSLATE with x English Arabic Hebrew Polish Bulgarian Hindi ... |
