Production problem with an oil well AI-1
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5 main misconceptions about Deconvolution
Deconvolution came up about 10 years ago and has become the driving tool in well test analysis. However, deconvolution is still not often used in well test design, operations and interpretation. Perhaps due to these 5 main misconceptions. What is Deconvolution...? In a linear system with a single well, the well flowing pressure is...Coning
Coning occurs: when gas moves downwards towards the perforations of an oil well or/and when water moves upwards towards the perforations. Not only this phenomenon can impact the well performance and recovery factor, but it is also one of the "enemies" of pressure transient analysis and it should be avoided at all cost ! Viscous...Why a pressure gauge near the perforations ?
If the fluid density between the gauge and the perforations changes over time, the pressure gauge will not give a direct measurement of the pressure at the perforations. The pressure data will be affected by some wellbore dynamic effects and will not be suitable for well test analysis. The data will not be representative of...
