Frac wellhead and christmas tree

In the process of oil recovery, multistage fracturing of horizontal wells is currently the most advanced technology in the world and represents the development direction of oil and gas production technology. Multistage fracturing technology is to strictly control the number, diameter, and phase of perforation in several or more horizontal sections with better reservoir along the horizontal wellbore, according to the physical properties and the characteristics of the reservoir that several or more horizontal oil layers can be opened at the same time during a fracturing operation. For tight sandstone and shale oil and gas, it can only be recovered by increasing its drainage volume and area. Multistage fracturing technology for horizontal wells is the core technology to achieve this goal and increase the production of a single well.

Frac Wellhead And Christmas 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.

Its built to withstand high pressures, up to 20000psi, and fabricated from the most durable components, with its material class meeting HH standards.

The fracture wellhead and X-mas tree (fracture head) made by Sanjack has been exported to many renowned oil companies and oil service companies in the USA, Canada, Oman, etc.

Large-scale fracturing and reconstruction are required in the process of exploration and development.

The general construction displacement of conventional fracturing is 4-6m3/min, and the construction fluid volume is generally 500-600m3.

But the construction displacement of unconventional fracturing is 10-15m3/min, the single-layer fluid consumption is about 2000m3, and the pressure is above 105MPa, which determines that the fracturing wellhead must not only be able to withstand the construction pressure, but also must have a large enough bore.

The current commonly used fracturing wellhead devices cannot meet the process requirements of unconventional fracturing with high pressure and large displacement.

The wellhead structure consists of tubing head gate valve (1), tubing head (2), adapter flange (3), master manual flat gate valve (4), master hydraulic flat gate valve (5), cross (6), wing gate valve (7), fracturing head (8), union (9), check valve (11), pressure gauge (12), etc..

frac wellhead and christmas tree

The Frac Wellhead And Christmas Tree developed by Sanjack has the characteristics of large bore, high working pressure, convenient installation and operation, and is equipped with remote control function, which greatly improves the safety and reliability of on-site operation.

Enhance operation safety. Reduce the number of installation/removals. And increase the number of executions daily fracturing; Reduce pumping equipment downtime and multiple fracture lines.

Working pressure (PSI)10000, 15000, 20000
Nominal diameter (inch)4 1/16、5 1/8、7-1/16
Working temperature ℃PU (-29℃-121℃)
Working mediaFrac fluid/Crude oil
Material classDD/EE/FF
Specification levelPSL1, PSL2, PSL3/3G,PSL4
Performance levelPR1 PR2

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