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ANCILLARY EQUIPMENT
MESSAGE
Buffer Tank/Surge Tank
Specification:
The buffer tank/surge tank usually consists of eigher a single- or a double-compartment vessel and a level-measuring system with sight glasses or magnetic levels. Dual-compartment buffer tanks provide a way to empty one tank compartment while filling another. To prevent overpressure and overfilling, the suffer tank is fitted with a pressure-relief valve and a high- and low-level alarm system. It is designed with a diverter, a vortex breaker, and stiffening rings capable of withstanding a vacuum in the vessel. It is also fitted with sampling, pressure, and temperature ports, and bypass manifold is included.
All buffer tanks are shock protected by a frame, and the latest models are designed to the Det Norske Veritas (DNV)2.7-1 standard. They operate in the verical position, but they are transported in a horizontal position.
Parameters:
Schematic diagram:
Features:
1) Vertical orientation promotes natural stratification
2) Connections for air vent and drain
3) Liquid flow rate, shrinkage factor, and meter factor measurement
4) Single or double compartment
5) Sight glasses or magnetic level indicators
6) High- and low-level alarm system on each compartment
7) Automatic pressure controlled valve that is open on gas outlet
8) Diverter, vortex breaker, and stiffening rings
9) Bypass manifold that allows isolating the surge tank from the flow process
10) Sampling points and pressure and temperature ports
11) Overpressure protection by relief valves
12) Shock-protection frame
13) Ensures compliance with Product Equipment Directive & ASME regulations
Application:
Onshore and offshore exploration and development oil and gas well testing
Production wells
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