Well Test Separator

Sanjack has more than 30 year’s experiences and equipped with class I, II & III pressure vessel production certificate. Leading products include tank, tower, furnace and structure parts. The annual production capacity is 10,000 tons.

  • In 1997, Sanjack obtained the Grade 3 installation qualification
  • In 2004, Obtained crane installation and maintenance license
  • In 2005, obtained the B-class pressure pipe component manufacturing license;
  • In 2007, we obtained the D-class pressure vessel design license;
  • In 2008, we obtained the A-class boiler design and manufacturing qualification;
  • In 2012, Sanjack has obtained ASME U&S qualification;

The Oil and gas well test separator is a crucial equipment used in the oil and gas industry for the separation and measurement of oil, gas, and water produced from Oil and gas wells. It plays a significant role in determining the quality and quantity of hydrocarbons present in the reservoir and helps in making informed decisions about field development strategies.

The advent of oil and gas well test separators can be traced back to the early 20th century when the need to accurately measure and separate different elements of production became apparent. Initially, basic separators were used, which relied on gravity and simple mechanical mechanisms to achieve separation. However, with advancements in technology and the need for more accurate results, modern Oil and gas well test separators have gone through significant developments and are now highly sophisticated and efficient.

1.Working Principle

The working principle of oil and gas well test separator revolves around the physical properties of the fluids present in the well. These properties include density, surface tension, and viscosity. When the well fluids enter the separator, they are subjected to a series of processes that facilitate their separation. The separator relies on the differences in density and surface tension of the fluids to separate them into their individual components.



Sanjack well test separator consists of several integral components, each serving a specific purpose in the separation process. These components include:

1). Inlet Section: This section is designed to receive the well fluids and direct them into the separator for further processing.

2). Pre-separation Section: It is responsible for the initial separation of large quantities of gas from the liquid phase. This section reduces the risk of gas carryover, which can impact the accuracy of measurements.

3). Gravity Settling Section: This section allows for the separation of gas, oil, and water based on their density differences. The fluids are given sufficient residence time to settle, and the separated components are collected from different outlets.

4). Coalescing Section: This section facilitates the separation of small droplets of liquid from the gas phase. It utilizes coalescing materials or devices to combine the smaller droplets into larger ones, thus enhancing their separation.

5). Liquid and Gas Outlets: These outlets are used to collect the separated liquid and gas streams, respectively. Proper measurement devices are installed to determine the flow rates and composition of each stream.

1). Reservoir Evaluation: Oil and gas well test separators play a crucial role in evaluating the productivity and quality of the reservoir. The measured data helps in determining the potential size of the reservoir, the amount of oil, gas, and water produced, and the nature and behavior of the reservoir fluids.

2). Field Development Strategies: The data obtained from Oil and gas well test separators assists in determining the optimal production strategies for the field. It helps in making decisions regarding well spacing, production rates, and the placement of artificial lift systems.

3). Production Optimization: The separator data aids in optimizing production operations by identifying areas with potential problems, such as water or gas coning. This information allows for the implementation of appropriate mitigation strategies.

4). Compliance and Reporting: Oil and gas well test separators provide accurate data that is crucial for regulatory compliance and reporting to relevant authorities. This ensures transparency in the oil and gas industry and assists in meeting legal obligations.

The Oil and gas well test separator is an essential tool in the oil and gas industry, enabling the accurate separation and measurement of oil, gas, and water produced from Oil and gas wells. Its working principle, along with the various components, ensures reliable and valuable data for reservoir evaluation, field development strategies, production optimization, compliance, and reporting. As technology continues to progress, we can expect further advancements in Oil and gas well test separators, enhancing their efficiency and capabilities in the oil and gas industry.

1). Automatic measurement of oil, gas and water production;

2). Automatic control of oil level and water level;

3). Information displayed locally, Automatic remote transmission;

4). Skid design, easy to lift and transport, saving transportation costs;

5). High security: Small containers bring high security;

6). Compact and reasonable structure design, integration of a variety of metering instruments and control equipment;

7). Compatible with various control modes (direct +PLC+ PC +DCS);

  • Performance parameters of high pressure test separator
  • Working pressure:0 MPa
  • Design pressure:8 MPa
  • Liquid processing volume:1000 m3/d
  • Gas processing volume:60×104 Nm3/d

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