24 Questions 74 Answers 0 Followers
Questions related from Watheq J. Al-Mudhafar
In some cases of oil reservoirs or experimental oil production and during the gas injection, why would increasing aquifer strength results in faster gas breakthrough?
06 September 2021 7,202 3 View
Some times, there is a significant difference in oil properties, such as API and PVT, in the same reservoir of a field, what could be the reason (s) behind that?
08 November 2018 5,295 7 View
Hello, I have a paper accepted with revision at a solid journal. One of reviewers is insisting to do 10-fold CV to validate the proxy modeling. However, the paper talks about using three new...
09 March 2018 433 5 View
When we consider the Gaussian Markov Random Field simulation for spatial property modeling, how to construct discrete approximation of each realization to be incorporated in the DoE model, such as...
29 March 2017 9,660 1 View
I am working on adopting the Fuzzy Logic-Genetic Algorithm hybrid approach to model multi-class dependent variable (DV) as a function of four continuous independent variables (IV). Based on that...
15 December 2016 2,854 3 View
I am working on adopting the Fuzzy Logic-Genetic Algorithm hybrid approach to model multi-class dependent variable as a function of four continuous independent variables, how can we fix the the...
14 December 2016 7,208 5 View
Has anyone used Markov Chains for modeling of Categorical Variables as function of continuous parameters for classes sequence prediction?
09 February 2016 3,278 1 View
How to digitize the contour maps or 2D images in R? Is there an efficient package that digitize the images with flexible tools of assigning the number or dimensions of grids?
14 October 2015 5,513 5 View
Does performing perfect history matching in reservoir simulation model reflect the accuracy of the geostatistical model that was built the reservoir model?
11 October 2015 6,904 4 View
What is the maximum number of parameters and levels to be incorporated in polynomial proxy models of EOR processes?
04 October 2015 9,538 3 View
If the verification jobs are located in between the 95% confidence intervals, does that mean the proxy model is valid for prediction?
27 September 2015 2,903 3 View
Some times, they include micro seismic data in hyspdraulic fractured reservoir simulation. What is the specific influential purpose for that? Does it have some effect to determine the location of HF?
01 September 2015 9,299 4 View
Prior to fit the experimental design model by multiple linear regression, how to validate the model in terms of number of observations, orthogonality , and distance? How to evaluate the last two...
01 September 2015 7,972 5 View
Is it economically practice to establish CO2 capturing plant to be used for EOR processes?
01 September 2015 6,804 3 View
I know there is uncertainty workflow in Petrel to generate and rank multiple realizations of porosity; however, there is no for permeability. Permeability realizations can be generated from...
30 August 2015 3,254 5 View
Does cross-validation approve or disapprove whether the constructed Variogram is correct? i.e, does the spatial residual give an indicator about the correctness of Variogram or it reflects only...
23 August 2015 2,309 5 View
In CO2 flooding in heterogeneous reservoirs, there are many reservoir and fluid properties that affect the reservoir performance. From the past field-scale studies, what are the most influential...
12 August 2015 9,996 6 View
What is the rational behind refining the grids that has CO2 injection wells n compositional reservoir modeling? Does it affect or facilitate the history matching? Overall, is it so necessary to...
12 August 2015 7,701 3 View
From my experience, I don't trust stepwise regression to eliminate the non influential factors on any physical process, especially when we have many predictors. Is there a way to perform...
12 August 2015 5,492 10 View
Can I get the workflow of Multiple Point Geostatistical Simulation of Facies in Petrel?
16 January 2015 2,028 3 View
Should we use just one value for each realization? Or different quartiles? What if one of the quartiles is eliminated in the reduced model?
16 January 2015 1,629 1 View
In Object-based Geostatistical Modeling, is there default set of parameters for Facies modeling for a real field?
22 December 2014 4,118 1 View
Dataset for different well logs records in unconventional reservoirs.
19 February 2014 972 2 View
In some real reservoir data, it is impossible to have a correlation between core and log porosity or between core permeability and log porosity. What should be the correction procedure conducted...
01 January 1970 2,866 6 View
