Overview Well Testing
A reservoir test can only be performed under dynamic conditions. This implies that the reservoir
must be exposed to a disturbance that will cause the reservoir pressure to change. This pressure
change, when recorded and interpreted along with the measured flow rates, will yield information
about well and reservoir parameters and geometry. This period of the well experiences changes in
pressure is called pressure transient. These fluids produced during pressure transients must be
handled using temporary equipment. These equipment must be able to carry the following
functions:
Quickly control pressure and flow rates at the surface and shut the well.
Separate the resulting effluents into three separate fluids (oil, gas and water) and accurately meter
these fluids.
Collect surface samples.
Dispose of the resulting fluids in an environmentally safe manner.
Prior to setting up the equipment for a well test, the equipment layout must be defined. The layout
diagram defines which pieces of surface testing equipment are to be used, identifies where the equipment
is located, illustrates the sequence in which the equipment is connected, and shows the general piping.
Following are the different surface testing equipment:
1. Choke Manifold
2. Indirect Heater.
3. Production test separator three phase.
4. Data Header.
5. Gas & Oil manifold.
6. Well test laboratory.
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