High-performance desanding hydrocyclones, cyclonic dewatering skids, and oil-water separation packages built for demanding field operating conditions.
In modern hydrocarbon production, surface equipment acts as the operational bridge between reservoir fluids and downstream refinement pipelines. Modern upstream oil and gas production environments demand robust, highly reliable, and compact process separation systems capable of processing complex, multi-phase fluid mixtures under extreme pressure, variable Gas-Oil Ratios (GOR), and high solids loadings. As reservoir structures age and enhanced oil recovery (EOR) techniques proliferate, the physical composition of produced fluids has shifted dramatically toward higher water cuts, corrosive gas fractions (H2S/CO2), and severe particulate contamination.
As a leading premier surface equipment manufacturer, Shanghai Shangjiang Petroleum Engineering Equipment Co., Ltd. (SJPEE) delivers state-of-the-art cyclonic separation architectures engineered to meet these evolving operational challenges. Our comprehensive suite of surface equipment—ranging from compact hydrocyclones and solids desanding systems to automated produced water treatment skids—empowers field operators, EPC contractors, and leasing partners to maximize liquid-liquid and liquid-solid separation efficiency while dramatically minimizing deck footprint, operating dry weight, and lifecycle maintenance expenditure.
Simultaneous, high-efficiency mechanical isolation of oil, gas, produced water, and solid particulate matter in a single continuous process flow stream.
Up to 75% reduction in physical size and operational weight compared to traditional gravity settling vessels, ideal for offshore FPSO topsides.
Full compliance with NACE MR0175/ISO 15156 requirements using proprietary duplex/super-duplex alloys and ceramic liners for harsh fluids.
Navigating stringent environmental mandates and structural fluid changes across global energy basins.
The global oil and gas industry is undergoing a structural paradigm shift driven by strict environmental regulations on produced water discharge (e.g., OSPAR limits below 30 mg/L oil-in-water), increased sand production in aging wells, and the operational necessity of re-injecting produced water (PWRI) to maintain reservoir pressure. Conventional surface separation relies heavily on large, heavy gravity separator vessels (horizontal/vertical knockout drums). However, these legacy systems suffer from significant limitations: massive deck footprint, excessive dry and operational weight, vulnerability to motion-induced liquid sloshing on offshore platforms, and low separation efficiency when processing micro-emulsions or fine particulates under 15 microns.
To overcome these structural hurdles, modern energy operators are turning to advanced cyclonic surface equipment. By leveraging centrifugal forces thousands of times greater than gravity ($g$-force acceleration up to 2,000g), vortex-based separation forces rapid fluid-phase and solid-particle stratification. This technological transition enables continuous, highly efficient separation in a fraction of the residence time required by conventional gravity settling tanks.
Deck space and structural weight limits require ultra-compact cyclonic separation modules. SJPEE surface equipment skids deliver high throughput with minimal structural footprint, featuring motion-insensitive vortex geometry.
High-velocity hydraulic fracturing flowback carries heavy proppant sand loads. Our cyclonic desanding systems protect downstream choke valves, pumps, and separators from catastrophic erosive failure.
Meeting zero-discharge environmental mandates requires advanced deoiling hydrocyclones and fine particle filters (such as our proprietary PR-10 series) to protect disposal wells from formation plugging.
Understanding the physics of multi-phase cyclonic separation, hydrocyclone liner engineering, and fine particle removal.
At the core of SJPEE’s surface equipment engineering is the application of high-velocity hydrocyclonic acceleration governed by modified Stokes' Law dynamics. In a standard gravity vessel, the terminal settling velocity ($v_s$) of a droplet or particle is dictated by the equation:
v_s = [d² · (ρ_p - ρ_f) · g] / (18 · μ)
Where $d$ is the droplet/particle diameter, $\rho_p$ and $\rho_f$ are the densities of the discrete and continuous phases, $\mu$ is dynamic viscosity, and $g$ is gravitational acceleration. In conventional systems, $g$ is a fixed constant ($9.81 m/s²$), meaning phase separation can only be accelerated by enlarging vessel size or extending retention time.
SJPEE hydrocyclones replace the static gravity constant $g$ with centrifugal acceleration ($a_c = v_t² / r$), where $v_t$ is tangential velocity and $r$ is the radius of the cyclone body. By tangential entry into specifically tapered cyclone geometry, fluid speeds reach severe rotational velocity, generating centrifugal fields exceeding **1,000g to 2,500g**.
Dense solid particles (sand, proppant, scale) are forced outward against the ceramic/tungsten carbide cyclone wall and travel downward into an isolated accumulator vessel, while clarified liquid flows out via the central vortex finder.
Low-density oil droplets migrate rapidly to the low-pressure core of the cyclone vortex and exit through the overflow reject port, yielding produced water with residual oil concentrations well below international discharge limits.
Specially engineered for micro-particulate removal down to absolute fine thresholds. Prevents plugging of formation pores during produced water reinjection (PWRI) and protects downstream membrane filtration skids.
A trusted manufacturing facility located at the mouth of the Yangtze River, dedicated to global separation excellence.
Shanghai Shangjiang Petroleum Engineering Equipment Co., Ltd. (SJPEE.CO., LTD.) was established in Shanghai in 2008. The factory covers an area of 4,820 m² with a factory building area of 5,700 m². Strategically located at the mouth of the Yangtze River, our manufacturing center enjoys exceptionally convenient water and land transportation for exporting heavy skids globally.
The company has always been committed to developing various separation equipment, filtration equipment, and modular process systems required in the oil and gas industry. Technically, we continuously develop and improve cyclone separation products and technologies, abiding by our core operating principles: "Strict management, quality first, quality service, and customer satisfaction."
We provide global customers with low-cost, high-efficiency separation equipment, complete finished skids, third-party equipment modifications, and comprehensive after-sales services. SJPEE implements Total Quality Management in strict accordance with **ISO-9001** requirements. Our high-performance surface equipment is actively exported to key energy regions including **Singapore, Thailand, Malaysia, Indonesia, Russia**, and beyond, earning wide acclaim from international operators.
Adhering to rigorous international engineering codes to ensure absolute field reliability and safety.
Surface equipment installed in critical energy infrastructure must strictly comply with global pressure vessel codes, environmental standards, and quality management protocols. SJPEE ensures full compliance with international safety and quality standards, backed by local field technical support across Southeast Asia, the Middle East, and Eurasia.
Pressure vessels and hydrocyclone housings manufactured strictly under ASME code stamps, certified for extreme high-pressure fluid retention.
Full compliance with the European Pressure Equipment Directive (2014/68/EU) for international leasing and field deployment.
Metallurgical selections specifically treated for sour gas ($H_2S$) service, preventing sulfide stress cracking (SSC) and hydrogen-induced cracking (HIC).
Pioneering AI-integrated dynamic separation skids and zero-discharge produced water systems.
Expert answers to common engineering questions regarding surface separation equipment selection and maintenance.
Select from our certified range of test equipment, leasing units, and custom separation skids.
