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Record W2606944374 · doi:10.3997/2214-4609.201700350

Surfactant-steam-noncondensible Gas-foam Modeling for SAGD Process in the Heavy Oil Recovery

2017· article· en· W2606944374 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

aboutThe title or abstract carries a Canadian signal from the geographic lexicon.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueProceedings · 2017
Typearticle
Languageen
FieldEngineering
TopicEnhanced Oil Recovery Techniques
Canadian institutionsnot available
Fundersnot available
KeywordsSurface tensionEmulsionSeparator (oil production)Pulmonary surfactantPetroleum engineeringSteam injectionEnhanced oil recoverySteam-assisted gravity drainageMaterials scienceChemical engineeringDispersion (optics)Oil sandsComposite materialGeologyThermodynamics

Abstract

fetched live from OpenAlex

Summary SAGD(steam assisted gravity drainage) is a mature technology to recover the heavy oil and oil sands in the Alberta. Owning to the reservoir heterogeneity and fluid properties differences, nonuniform steam chamber formed along the horizontal well leading to lower recovery Foam is dispersion of gas in a continuous water phase with thin films (lamella), acting as a separator. surfactant mobilizes the high viscous oil by emulsification and reduction of interfacial tension.Adding surfactants also lowers the interfacial tension at the water-oil interface and further produces water in oil or oil in water emulsion. In situ emulsion generation is thus another active mechanism that is involved as a result of surfactants presence. Noncondensible gas could enhance the steam foam by reducing the affection of liquid phases condensation and evaporization. Due to the above properties, gravity override is consequently limited.The existence of noncondensible gas contributes to foam stability. The phase behavior for emulsification regulates different relative permeability regimes into the oil flow. We find that adding surfactant,condensable gas and foam contributes to higher production and leads to less steam consumed.

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.

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)0.001
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 score0.618
Threshold uncertainty score0.891

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0010.000
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 head0.025
GPT teacher head0.277
Teacher spread0.252 · 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