EXPERIMENTAL DETERMINATION OF ABSOLUTE AND RELATIVE PERMEABILITY IN COMPOSITE CORES: EFFECT OF ORDERING
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Bibliographic record
Abstract
Experimental studies and in particular core flood tests are key elements in understanding the fluid flow in porous media. To minimize capillary end effect and obtain adequate data, it is strongly suggest that core flood experiments he performed using longer core samples or composite cores. Although a number of researchers have studied different fluid flow characteristics in composite cores, more studies are still necessary to fill the knowledge gaps, particularly in areas such as the effects of individual core ordering on absolute and relative permeability values of composite cores. The aim of this study was to find the best arrangement in the composite core system, and therefore a generalized criterion, by comparing absolute and relative permeability data to the average of individual core samples. Unsteady-state, two-phase core flood tests were conducted using three different individual core samples and different arrangements of individuals in composite core, i.e., ascending, descending, and the Huppler's arrangement. Analysis of the results revealed that for both absolute and relative permeability, descending arrangement leads to the most accurate values when compared with the average absolute and relative permeability values of individual core samples. In addition, it is realized that descending arrangement gives a higher recovery factor than the other two arrangements. According to the results of this study, it is greatly recommended to stack the individual core samples in descending order to minimize the errors in experimental determination of absolute and relative permeability.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it