Characterising regional evaporite seal for hydrocarbon and CO2 storage — Upper Jurassic, Arab-Hith formations, Saudi Arabia
Bibliographic record
Abstract
Summary At KAUST in the Fall of 2022 we drilled 390 m of core that spans the Upper Jurassic-Lower Cretaceous. The formations include: the Sulaiy, Hith, Arab and top of the Jubaila Formation. The Hith and Arab formations consist and contain important evaporite deposits that act as regional seals. Many of the world’s largest hydrocarbon accumulations in Saudi Arabia and the region (such as the Ghawar field) are contained within these seals. As the energy transition is becoming increasingly significant, the importance of these seals for CO2 storage is also being considered. Characterising these evaporite seals based on their sedimentology, geochemistry and geomechanical properties is essential in order to assess their lateral continuity and sealing capacity, and thus their ability to act as seals for CO2 storage sites. This presentation will present the results obtained from the core regarding the formation thickness and sedimentology, as well as additional geochemical and rock mechanical properties from experimental lab analysis carried out at the ANPERC research lab for Petroleum Engineering at KAUST.
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How this classification was reachedexpand
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 | 0.000 | 0.000 |
| 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 | 0.000 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".