Product

Intelligent three-phase separation technology for oil, gas and water

Following over a decade of collaboration with the Chinese Academy of Sciences and Southwest Petroleum University, along with input from experts at PetroChina and Sinopec, the Puruihuatai technical team has pioneered—both domestically and internationally—a novel intelligent three-phase oil-gas-water separation device based on the single-phase enrichment principle for oil-water separation.

Low equipment stability: Harsh oilfield conditions (high temperature, high pressure) make stability a critical concern.

Separation efficiency needs improvement: Small differences in physical properties among oil, water, and gas limit separation efficiency.

Low automation: Heavy reliance on operator experience and qualifications.

High maintenance and operating costs.

On-site oil-water separation performance

Ultimate Separation Efficiency: Enhanced separation speed and purity via physical mechanism innovation and intelligent control optimization; capable of processing extra-heavy oil, shale gas, and other complex unconventional resources.
High Intelligence & Unmanned Operation: Algorithm-driven decision-making replaces manual experience, enabling rapid adaptation to changing conditions, improving stability and safety, and reducing labor costs.
Minimal Footprint: Pipeline-integrated and skid-mounted designs make processing systems compact and flexible—ideal for space-constrained sites.

On-site oil-water separation performance

Comparison Item	New Intelligent Three-Phase Separation Equipment	Conventional Three-Phase Separator	Remarks
Material & Stability	New metamaterial construction, stable and reliable, high-temperature resistant, high-pressure resistant, and corrosion resistant.	Typically made of carbon steel or ordinary steel, with lower stability.
Simultaneous Metering Capability	Enables real-time inlet-outlet, simultaneous separation and metering with high accuracy.	Only allows separation first, followed by manual metering.
Pressure Vessel or Not	Uses nominal diameter <150mm piping; not a pressure vessel.	Pressure vessel	Saves cost of using pressure vessels
Separation Efficiency	Visually no oil in water; water content in oil <5%.	Manually operated, unstable performance, average water content in oil around 20%.
Degree of Automation	Fully automated, no manual operation required.	Manual operation, requiring approximately 6 skilled workers per equipment set.	Conventional equipment requires certified operation
Number of Devices Required for Multi-Well	For 4-5 pad wells, uses well selection device with two sets of equipment.	One set of equipment per well	Labor input vs. equipment investment
Emergency Response Capability	Equipped with vent/drain lines, capable of emergency response to abnormal and sudden well conditions, ensuring normal production.	Complex piping connections with many elbows; poor self-draining capability.	Safety