MétaCan
Menu
Back to cohort
Record W2000876745 · doi:10.1190/1.1778252

On “Seismic impedance inversion and interpretation of gas carbonate reservoir in the Alberta Foothills, western Canada” (G. B. Madiba and G. A. McMechan, 2003, G <scp>EOPHYSICS</scp> , 68, 1460–1469).

2004· article· en· W2000876745 on OpenAlexaffabout
Dina Simin

Bibliographic record

VenueGeophysics · 2004
Typearticle
Languageen
FieldEarth and Planetary Sciences
TopicSeismic Imaging and Inversion Techniques
Canadian institutionsBP (Canada)
Fundersnot available
KeywordsFoothillsGeologyCarbonateInversion (geology)Interpretation (philosophy)SeismologyPetrologyComputer scienceChemistryGeographyCartography

Abstract

fetched live from OpenAlex

Abstract It is always interesting to read articles about an area and geology I am familiar with, rather than articles where authors do not present enough data to fully understand the subject (well locations, well logs, scales, etc.). However, it is disconcerting to find that the authors presented seismic data with the western end on the right side. This is the opposite orientation from previously published papers and common standards. Obviously, the intention of the authors was to present the use of new technology in this specific area. As is always the case, new technology needs to be explained simply and supported with convincing field examples. Unfortunately, the authors did not achieve this goal. Their application might be correct, but it was applied to the wrong level. In my opinion, the author's identification of the Turner Valley gas reservoir is wrong. Their Wabamun reflection is, in reality, roughly at the Turner Valley (Nordegg) level, so that all the conclusions are related to the pre-Cardium clastics and not to the carbonate gas reservoir (see reference: Dechesne and Murara, 1996). It appears that the authors used the 16–28–28–8W5 well. Had they used two other wells, 12–26 and 10–26 (both with the same surface position, CMP 690), they would have realized that the Turner Valley reflection is much deeper and correlates well with the 16–28 well (note: all three wells are publicly available, have sonic logs, and were drilled in 1992–1993). The apparent positive indication, in a no-gas interval, does not discard applied technology but shows that a complicated geological situation (elevation, near-surface condition and complicated ray paths) could lead to a wrong interpretation.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.606
Threshold uncertainty score0.906

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.006
GPT teacher head0.186
Teacher spread0.180 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
Domainnot available
GenreEmpirical

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".

Quick stats

Citations0
Published2004
Admission routes2
Has abstractyes

Explore more

Same venueGeophysicsSame topicSeismic Imaging and Inversion TechniquesFrench-language works237,207