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ABSTRACT
Fluid typically moves from higher pressure regions to lower pressure regions. This basic idea also plays a major role in the movement of reservoir fluids from the reservoir to the wellbore and ultimately to the surface. Pressure energies are what power oil and gas reservoirs. In certain cases, the well pressure energy could not be sufficient to allow fluids to naturally flow to the surface. While most wells see a gradual decrease in pressure overtime as a result of ongoing production, certain wells are naturally low pressure. In either case, it will be necessary to take into account the best recovery options as long as the reserves are still economically significant. Installing artificial lift systems in wells is a common practice when the energy from natural pressure declines. Nonetheless, the flow equations show that there are varieties of flow obstacles that the well flowing pressure must overcome. The tubing’s diameter is one of the main flow restrictions. Since the tubing carries oil and gas from the wellbore to the surface, the size of this completion material has a significant impact on the well’s production efficiency. It proves how tubing size affects the best oil production, particularly from low pressure wells. The pressure differential between the reservoir pressure and the wellhead flowing pressure was calculated using a model.
