Reservoir Heterogeneities
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Get the most of production shut-ins and pressure build-up tests
How many of the PBUs/PFOs do your team analyse on your production/injection wells? When we ask this question, different answers come up: “how is this useful? Pressure build-up tests are for reservoir characterization with Exploration and Appraisal wells, not for production.” (moving on…) "We don’t analyse operations shut-ins. Sometimes when our reservoir engineer is not...Constant Pressure Boundary
The constant pressure boundary is sometimes used to match a late-time drop in the derivative data, as shown below. Note that the changes in the derivative are due to the short initial production times and the derivative calculation algorithm (more information is available in the training video called Deconvolution). The three marked PBU tests can be seen in...
