# Idiopatisk lungfibros - Svensk Lungmedicinsk Förening - Yumpu

Idiopatisk lungfibros - Svensk Lungmedicinsk Förening - Yumpu

Unconventionals & CO2 Storage. Quality Control of Functions - Checking for “Good Behaviour” HAFWL = Height above FWL (m) Rhow / Rhohc = Water and Hydrocarbon density (SG) 1.2406 = Conversion (psi/m) Method: Calculate J value for each known saturation cell (logs etc) Plot J vs known Sw (altogether &/or by facie) If reasonable relationship(s) evident, use J vs Sw as proxy for your Saturation height function The Saturation-Height Modeling module provides core-to-log integration via the following workflow: Template loading of special core data. Graphical review and edit for QC. Transform or normalize pressure data. The results of this study show that the most commonly used Leverett-J model is one of the poorer performing saturation-height functions. Of the conventional "equation based" approaches, the Thomeer and Skjaeveland models appear to have the most utility and are recommended as first choice saturation-height models to test. The two best known methods to analyze MICP measurements and to estimate saturation height curves are Thomeer-and Leverett J functions. However, neither method has been satisfactorily upscaled until now.

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a geocell which is not penetrated by a well by virtue of that cells porosity, permeability and capillary pressure. At initial conditions capillary pressure is proportional to height above free water level (Ht) and […] Saturation-Height Function Creation - Model Fitting, Individual Curve Correlation Method, All Curves Simultaneously Method, Problems with Parameter Selection, Recommended Initial Parameters for the Solver, Sub-Groupings, Uncertainty Quantification. Unconventionals & CO2 Storage. Quality Control of Functions - Checking for “Good Behaviour” Saturation-Height Function Creation - Model Fitting, Individual Curve Correlation Method, All Curves Simultaneously Method, Problems with Parameter Selection, Recommended Initial Parameters for the Solver, Sub-Groupings, Uncertainty Quantification. Unconventionals & CO2 Storage.

## Idiopatisk lungfibros - Svensk Lungmedicinsk Förening - Yumpu

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### Idiopatisk lungfibros - Svensk Lungmedicinsk Förening - Yumpu

These functions have been found useful for describing saturation-height (i.e., P c) relationships in specific field cases, but they may suffer from limitations such as poor matches of threshold pressure and irreducible Pore structure of carbonate reservoirs is complex and multimodal. In order to characterize the pore structure of complex carbonate, a modified multimodal Thomeer pore size distribution (PSD) function was developed, which was based on the multimodal Gaussian density function and three controlling parameters including peak position, peak height and full width at half maximum (FWHM). Saturation-height functions in oil and gas reservoirs are determined using methods that include quantifying the microporosity of the subterranean formation; determining the distribution of facies Selection of Saturation-Height Models - Leverett-J, Brooks-Corey, Lambda, Thomeer, Skjaeveland, Machine Learning & Neural Networks, Interpolation Saturation-Height Function Creation - Model Fitting, Individual Curve Correlation Method, All Curves Simultaneously Method, Problems with Parameter Selection, Recommended Initial Parameters for the These functions calculates Sw based on one or more of the parameters like porosity, oil water contact, gas water contact, irreducible water saturation, height above contacts, etc. Saturation Data Interpretation Thomeer Curve Fitting: Rock Typing • Thomeer model is extensively used to fit the Pc curves (hyperbolic function) for saturation height modelling and rock typing • Fitted curves are defined by the pore structure factor (G), threshold pressure (Pd) and the total interconnected pore volume (Sb∞) (Bulk Volume saturation The residual oil saturation as a function of the initial oil saturation, f(S oi). This relationship can be determined experimentally. The S oi /S or relationship model includes Land’s type, Suzanne type (plateau type), and Linear correlation type. It needs to be determined by special core analysis (SCAL) data.

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Repeat this for each sample and its respective data table. This functions correlated data over several orders of magnitude change in permeability. Also, notice that the J function value where most of the saturation change occurs is close to the value of 0.49 for a bundle of identical capillary tubes. (The square root sign is missing in Figure 6.) Notice that the wetting phase saturation appears to plot the weight retained on each tray as a histogram as in Fig. 3.3.

Graphical review and edit for QC. Transform or normalize pressure data. The results of this study show that the most commonly used Leverett-J model is one of the poorer performing saturation-height functions. Of the conventional "equation based" approaches, the Thomeer and Skjaeveland models appear to have the most utility and are recommended as first choice saturation-height models to test.

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### Idiopatisk lungfibros - Svensk Lungmedicinsk Förening - Yumpu

The saturation height functions can describe the drainage process during the hydrocarbon migration and are expressed as a relationship among the saturation, the height above the free water level and some model properties (commonly porosity and permeability). Saturation-Height Equations There are various practical techniques for correlating capillary pressure curves according to rock type for a heterogeneous formation and generating field wide saturation-height function that relates capillary pressure curves to porosity, permeability or rock type in general.

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### Idiopatisk lungfibros - Svensk Lungmedicinsk Förening - Yumpu

J-Function. Lambda. Thomeer. Normalized. J- Function Techlog SHM module (Saturation Height Modeling) allows to build Thomeer function to obtain mathematical model of water saturation from capillary pressure.

## Idiopatisk lungfibros - Svensk Lungmedicinsk Förening - Yumpu

The classic method is based on Saturation Height Functions Saturation Height functions (SWH, Swht) are a means of assigning a saturation to a volume of rock e.g. a geocell which is not penetrated by a well by virtue of that cells porosity, permeability and capillary pressure. At initial conditions capillary pressure is proportional to height above free water level (Ht) and […] Saturation-Height Function Creation - Model Fitting, Individual Curve Correlation Method, All Curves Simultaneously Method, Problems with Parameter Selection, Recommended Initial Parameters for the Solver, Sub-Groupings, Uncertainty Quantification. Unconventionals & CO2 Storage. Quality Control of Functions - Checking for “Good Behaviour” Saturation-Height Function Creation - Model Fitting, Individual Curve Correlation Method, All Curves Simultaneously Method, Problems with Parameter Selection, Recommended Initial Parameters for the Solver, Sub-Groupings, Uncertainty Quantification. Unconventionals & CO2 Storage.

A histogram shows what percentage by weight of the grains fall within a particular size range. This type of presentation gives a good visual impression of the distribution of grains in the various size categories. In particular, it is easy to see how The saturation plateau as a function of local disorder for six contrasting kaolinites exposed to He + ion beam is shown in the inset of Fig. 4.4.The defect concentration at saturation increases with the local crystalline disorder of kaolinite, as estimated from structural Fe 3 + local probes (Gaite et al., 1997).