Evaluation of hydrocarbon reservoir potential in Carboniferous sandstones in six wells in the Maritimes Basin, Eastern Canada
Bibliographic record
Abstract
The reservoir characteristics of Carboniferous sandstones in six wells in the western Maritimes Basin in the Gulf of St. Lawrence region in eastern Canada are evaluated through detailed analyses of geophysical well logs and core data. The wells include Bradelle L-49, Brion Island No.1, Irishtown No.1, Cable Head E-95 and East Point E-49 in the Magdalen Basin and North Sydney F-24 in the Sydney Basin. Compiled and/or calculated reservoir parameters for each well include lithology, clay mineralogy, porosity, permeability, water saturation and drill-stem test data. Possible hydrocarbon zones are also identified. Porosity-depth trends are derived and discussed in terms of well reservoir potential and stratigraphic and geographic reservoir variations. Significant hydrocarbon reservoir potential is identified in sandstones in the Upper Carboniferous Pictou and Mabou groups and the Lower Carboniferous Horton Group. Upper Carboniferous sandstones in the northern Magdalen Basin appear to have the best overall reservoir quality in the study region.
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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 | 0.002 | 0.002 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 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 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".