Integrated Lithostratigraphic, Formation and Structural Evaluation of the Migrant Structure, Sable Subbasin, Offshore Nova Scotia.
Bibliographic record
Abstract
On the Scotian Shelf, rollover anticlines host majority of the significant and commercial hydrocarbon discoveries. The Upper Jurassic to Lower Cretaceous age reservoirs analyzed in this study are contained in a rollover structure explored by the Migrant N-20 well. This structure is located up-dip from the Adamant rollover explored by the Adamant N-97 well and the Thebaud Structure, which contains economically developed reservoirs. Overall, changes in seismic character and isochron thicknesses in the Jurassic to Lower Cretaceous section observed between the Migrant and Thebaud fault blocks characterizes the timing of fault activity. As a result, between 500 and 1000 m (750 m based on chosen average velocity) of clastic sediment deposits in the Thebaud area have no equivalent (likely from non-deposition) on the north side of the boundary fault. Despite initially flowing gas at a considerable rate during drill stem testing, pressure depletion was encountered in the Migrant Structure. This led to a preliminary conclusion of the presence of an a volumetrically limited reservoir, similar to deep diagenetically altered reservoirs in other related structures that failed to encounter commercial volumes of hydrocarbons.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 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) | 0.002 | 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 source (direct Gemma or distilled Codex), 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".