Results of gravity–magnetic and 3D seismic surveys conducted in the southeastern Muradkhanli and Jafarli fields
Bibliographic record
Abstract
The Muradkhanli structure was discovered in the late 1940 s to early 1950 s as a large-scale, high-intensity local gravity–magnetic anomaly covering the Zardab–Muradkhanli area as a result regional gravity–magnetic exploration works. In 1963–1965, several seismic profiles processed using the reflection wave method revealed that the anomalies were associated with a large buried uplift. Exploration drilling began in 1968. In 1973, during testing of the Upper Cretaceous effusive rocks in Well No. 5, which replaced Well No. 1, an oil fountain was obtained from the 3796–3761 m depth interval with a flow rate of 25 t/day. The oil-bearing nature of the effusive rocks was later confirmed by numerous wells. The Jafarli structure was first identified in 1977 through the gravimetric exploration method. The existence of the structure was confirmed as a result of seismic exploration conducted in 1981. At the same time, a reservoir-type anomaly (RTA), a direct indicator of oil and gas presence, was identified in the crest area of the structure.in 1983, drilling commenced, and in the same year the first exploration well discovered an oil reservoir in the Middle Eocene sediments. Due to the high interest in these areas, in subsequent years, geological mapping, exploratory drilling, and studies using geophysical methods (gravimetric, magnetic, electrical, and seismic exploration techniques) were carried out. In 2023, gravimetric surveys were conducted in the areas where 3D seismic exploration had been carried out in the southeastern Muradkhanli and Jafarli fields, using the modern Canadian-made “Scintrex CG-6 Autograv” instruments. Based on the results of the gravimetric studies conducted, the geological structures of these areas were clarified. Reservoir-type gravimetric anomalies associated with oil and gas were identified in the near-bedrock sections of the Jafarli structure and in the southeastern parts of the Muradkhanli structure. The hydrocarbon potential of the IIIb-SH and III-SH fault zones was investigated, and gravimetric data were analyzed in conjunction with information from deep wells drilled in the study area.
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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 | 0.002 | 0.001 |
| 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 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".