Water saturation vs. height (SwH) functions are required to initialise a 3D static and dynamic reservoir model with the water and hydrocarbon volumes, to pick fluid.

•Leverett-J Functions •FOIL Functions •…To name a few… 0 20 40 60 80 100 120 140 160 0.00 0.20 0.40 0.60 0.80 1.00 L Saturation - v/v “A method of estimating Saturation based on the height above the free-water-level and capillary pressure”

Saturation modeling in a carbonate reservoir using capillary pressure based saturation height function: a case study of the Svk reservoir in the Y Field P. Q. Lian 0 X. Q. Tan 0 C. Y. Ma 0 R. Q. Feng 0 H. M. Gao 0 0 P. Q. Lian (&) X. Q. Tan C. Y. Ma R. Q. Feng H. M. Gao Sinopec Petroleum Exploration and Production Research Institute , Beijing , China Because of the complex pore structure and Saturation Height Function - Read online for free. Techlog Saturation Height Function Workflow Saturation-height function is used to predict the saturation in the reservoir for a given height above the free water level. The authors investigate performance of eight saturation-height methods (i.e., Leverett, Cap-Log, Modified Cap-Log, Johnson, Cuddy, Modified Cuddy, Skelt-Harrison, and Sodena methods) employed in the oil industry. saturation, and the permeability, which defines how easy it is to extract any hydrocarbons that are present. The final critical parameter is the hydrocarbon saturation, or how much of the porosity is occupied by hydrocarbons. This, and the related gas and water saturations are controlled by capillary pressure. CORE – Aggregating the world’s open access research papers 5 Nov 2008 Presentation to illustrate links between saturation height relationships, permeability Thomeer Cap-Curve basics

Thomeer function: Saturation Height Function and Model .
However, neither method has been satisfactorily upscaled until now. The popular J-function method usual starts with a classification of pore systems using the parameter. 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. in which S Hg is the saturation of mercury. The Thomeer function has three parameters: Threshold pressure P ct; Pore geometric factor G; Mercury saturation at infinite capillary pressure S Hg∞ (Thomeer wrote Eq. 3 with bulk mercury saturation instead of mercury saturation. Bulk mercury saturation equals the product of porosity and mercury 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.

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

The Thomeer function parameterization of MICP data has been shown to upscale (Buiting, 2007). Square Root K/Ø Methods: Leverett J Function and Flow Zone Indicator (FZI) Technique Whereas the Thomeer method has been used for many years in Shell, in other companies the Leverett J Function method ( Leverett, 1941 ) and the related FZI technique

A Thomeer water saturation model was used for fitting parameters, such as irreducibl Wettability, capillarity, relative permeability and residual oil saturation are capillary pressure responses of rocks (Corey, 1954, Thomeer, 1960, Brooks an average gas saturation, and a saturation-height function, but not necessa Resistivity 'driven' by Phi and Saturation-Height(Pc), input to Archie Thomeer, J.H.M. Air Permeability as a Function of Three Pore-Network Parameters, 10.9.3 Other Approaches to Saturation-Height Functions. If core data is not Capillary pressure curves and analysis by Thomeer's equation. Capillary pressure Conventional saturation-height methods used by the oil and gas industry are in the literature for determining field-wide saturation-height functions based on on Thomeer's original set of pore geometrical factors, relating satu Development of core based saturation height models based on a variety of functions: Brooks Corey, Thomeer, Leverett J etc.

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”

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).

The Thomeer function has three parameters: Threshold pressure P ct; Pore geometric factor G; Mercury saturation at infinite capillary pressure S Hg∞ (Thomeer wrote Eq. 3 with bulk mercury saturation instead of mercury saturation. Bulk mercury saturation equals the product of porosity and mercury saturation. 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. 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.
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4. Primary Drainage Saturation-Height Modeling pieces of special core analysis to produce these capillary pressure-derived saturation functions. A Thomeer water saturation model was used for fitting parameters, such as irreducibl Wettability, capillarity, relative permeability and residual oil saturation are capillary pressure responses of rocks (Corey, 1954, Thomeer, 1960, Brooks an average gas saturation, and a saturation-height function, but not necessa Resistivity 'driven' by Phi and Saturation-Height(Pc), input to Archie Thomeer, J.H.M. Air Permeability as a Function of Three Pore-Network Parameters, 10.9.3 Other Approaches to Saturation-Height Functions. If core data is not Capillary pressure curves and analysis by Thomeer's equation.

Saturation Height Modeling 1/2.
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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

Capillary pressure Conventional saturation-height methods used by the oil and gas industry are in the literature for determining field-wide saturation-height functions based on on Thomeer's original set of pore geometrical factors, relating satu Development of core based saturation height models based on a variety of functions: Brooks Corey, Thomeer, Leverett J etc. Advice on the optimum model for 7 Mar 2019 Don will de-mystify the role of the Petrophysicist and give a glimpse of Flow Zone Index and Saturation Height Function Modelling in Low breakthrough pressure are derived, thus allowing the Thomeer model saturation 10 Mar 2011 Wettability, capillarity, relative permeability and residual oil saturation are Thomeer assigned the pore geometric factor a value between 0 and 10, where and saturation-height function, but not necessarily by its Conversion to reservoir conditions (saturation-height) is an interactive Typing of sample data by Lambda, Thomeer , Skelt-Harrison, J-Function and other Chapter 6 - Common Applications (Thomeer and Leverett J). Workshop Chapter 8 - Applied Saturation Height Model Using Petrophysical Rock Types.

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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

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. in which S Hg is the saturation of mercury.

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