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Record W2595296728 · doi:10.3997/2214-4609.201601030

Quantifying the Impact of Fault Networks on Induced Seismicity Potential - Geomechanical Tools to Support Social License

2016· article· en· W2595296728 on OpenAlexaboutno aff
Nicholas M. Umholtz, Ahmed Ouenes

Bibliographic record

Venue78th EAGE Conference and Exhibition 2016 · 2016
Typearticle
Languageen
FieldEarth and Planetary Sciences
TopicSeismic Imaging and Inversion Techniques
Canadian institutionsnot available
Fundersnot available
KeywordsInduced seismicityGeologyWorkflowSeismologyShear (geology)Fault (geology)Spurious relationshipGeomechanicsGeotechnical engineeringComputer sciencePetrology

Abstract

fetched live from OpenAlex

Summary A workflow is demonstrated which uses numerical modeling to mechanically quantify the induced seismic potential of a given area as a function of differential stress and shear components. With properly constrained and conditioned geologic and geophysical inputs, a representative fracture model may be simulated to deliver geomechanical outputs which correlate well with seismicity where such information is available. Near Oklahoma City, fault data from recent Oklahoma Geologic Survey publications is simulated using realistic regional stress and rock properties which produce a geomechanical proxy map that clearly outlines regions of high and low stress/shear which demonstrate similar trends to seismicity. This same workflow is applied to the largescale regional faults collected into GIS data by the Alberta Geological Survey. When simulated using realistic regional conditions, certain areas and geometries of fault blocks result in areas of escalated stress/shear even away from the large faults bounding the blocks. The ability of the workflow to realistically capture the mechanical effect of faults at a regional scales, and simulate the interaction of several faults within an evolving stress environment, provides a quantitative measure of the mechanical potential for high pressure injection wells to trigger a large seismic event in a given area.

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 categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Other design · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.911
Threshold uncertainty score0.999

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)0.0020.000

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 head0.072
GPT teacher head0.294
Teacher spread0.223 · 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.

Study designOther design
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
Published2016
Admission routes1
Has abstractyes

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