Play Elements of the Chidley Basin, Offshore Newfoundland and Labrador Canada
Bibliographic record
Abstract
Summary The underexplored Chidley Basin off the Labrador coast of Newfoundland Labrador, Canada is being investigated for oil and gas prospectivity after new seismic data acquisition. We present here how the geology and geophysics data were integrated into a comprehensive 3D stratigraphic model which allowed the play elements of a potential petroleum system to be tested. Regional geodynamic and sequence stratigraphic work facilitated the understanding of the basin architecture and infilling through the Labrador sea opening and transform fault zone activities. This provided the inputs of Gross Depositional Environment maps that ultimately enabled a forward stratigraphic model (DionisosFlow™) to be built. This forward numerical model simulates the stratigraphic record of the basin through calibration of well record and integration of seismic data. The model helps to resolve the extension of known, hypothetical, and/or speculative source rocks, reservoirs, carrier beds and seals at the basin scale. Based on this regional stratigraphic understanding, the source rocks, reservoir, and seal presence seven main plays in the basin were identified, defining a complete petroleum system that shall be now tested offshore in the light of the past shelf discoveries.
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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 | 0.001 |
| 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 | 0.001 |
| Scholarly communication | 0.002 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.004 | 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".