Offshore wellhead X-mas tree
Fracture wellhead and X-mas tree is used for coiled tubing fracturing and unconventional oil and gas recovery fracture, make a large number of fracture liquid injecting into formation and control the wellhead pressure.
Offshore wellhead and X-mas tree is designed to solve the problem of space limitation faced in offshore platform oil and gas wells, and adopts a complex integral design. This offshore wellhead and X-mas tree is usually machined from one steel bar, thus decreasing the overall height of wellhead and X-mas tree equipment. To increase its safety, this equipment is fitted with a hydraulic safety valve.
Offshore wellhead and X-mas tree equipment has an integral BIW cable type and three single cable types to suit different requirements.
- Combined master valve and swab valve to decrease the offshore wellhead & X-mas tree height
- Hydraulic safety valve in main drift diameter to achieve remote shutdown of wellhead in an emergency
- Segregated tubing head spool. Top and bottom parts are connected by insert type locking piece. This structure means the X-mas tree could be adjusted in any direction during installation.
- Equipped with BIW cable penetration and fitted adapter flange and hanger.
Offshore wellhead and X-mas tree from Sanjack Petro, Dongying City, Shandong Province, China.
| Working pressure （PSI） | 3000, 5000, 10000,15000 |
| Nominal diameter （inch） | 2-9/16、3-1/8、4-1/16 |
| Working temperature ℃ | PU (-29℃-121℃) |
| Working media | Crude oil/Gas |
| Material class | BB/CC/DD/EE/FF |
| Specification level | PSL2, PSL3/3G,PSL4 |
| Performance level | PR1 PR2 |
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