Saphir NL can evaluate rate depend skin values to include in the analytical or numerical models. The range of parameters can be defined manually, or defined with equal or log spacing between values. The formation is Sandstone Heterogeneous and the permeability ranges from 0. If the calculated parameters doesnt match the lab data you can go back to the previous Oil and gas properties screens and choose another correlations. Rubis options With the addition of a Rubis license, all the options available in Rubis are available for transient tests in Saphir NL.
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Numerical models Numerical models are used for geometries beyond the scope ecein analytical models. The range of parameters can be defined manually, or defined with equal or log spacing between values. For analytical models which are beyond the scope of a standard model with combined standard well, reservoir and boundary conditions, there are a wide range of external analytical models available.
For saturations values please change it to be as below screenshot. You do not have the required permissions to view the files attached to this post. Sensitivity analysis may be performed by running the same model with different parameters.
Skip the water properties in blue icon and click on Gas properties in the same window. The short fracture then closes fracture closure pressure is determined and reservoir properties are calculated from the reservoir dominated ercin.
Click on Load P icon Load pressure dataa new window will be displayed. Below is the well, reservoir and test information: The starting point is the dynamic state of the simulation at the extraction time. Boundary models A range of boundaries can be modeled analytically in Saphir NL including Single faults Leaky fault Intersecting fault Circular fault Rectangular faults up to a closed system.
Saphir NL includes a specific MiniFrac tool to analyse this data.
For a while, leave the default values as it is in the parameters screen below then OK. This production rates values from the input data in the first post.
Additional capabilities include rate dependent saphkr, changing wellbore storage, interference from other wells, gas material balance correction, well model changing in time, horizontal and vertical anisotropy.
In this case we considered the reservoir temperature as the maximum value in the memory gauge file and the reservoir pressure the same idea. Ssaphir analysis can be extended to include numerical and non-linear if required.
Point to your memory gauge file assume you already downloaded from the attachment in the first post. The formation is Sandstone Heterogeneous and the permeability ranges from 0. If the calculated parameters doesnt match the lab data you can go back to the previous Oil and gas properties screens and choose another correlations.
Usually if the memory gauge depth is closed to the perforated interval we can use the same temperature data obtained by memory gauge otherwise should be corrected to the perforation depth.
A sector of a Rubis full field 3D reservoir model can be imported and run directly in Saphir NL for a given time range. Saphir NL can evaluate rate depend skin values to include in the analytical or numerical models.
Board index All times are UTC. These include predefined types such as MDH, Horner, square root and tandem root. Its simple user interface and workflow allows for fast training and self-learning for occasional users. Improve tool This option is used to improve the fit between the actual data and the current theoretical model by varying the selected parameters of the model.
Data can be loaded with the following methods: Linear problems can be modeled with constant fluid properties. Different wellbore, well, reservoir and boundaries can be combined to simulate a wide range of reservoir models.
Sensitivity Sensitivity analysis may be performed by running the same model with different parameters.
Interactive analysis tools are overlaid directly on the loglog plot to identify flow regimes. A numerical grid can be used for geometries beyond the scope of analytical models. It is possible to regress on ecirn the log-log and the history plots. Pseudopressures are replaced by the exact diffusion equations for real gas, non-Darcy flow, pressure related physical properties, multiphase flow, water and gas injectors, water drives, and desorption models for shale gas.
SS 2- Decimal Time in hours since start of memory gauge 3- Pressure ssphir Psi 4- Temperature in F The data structure may be different from this case and any other case.