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Record W2354746944

Gas hydrates production——in case of mallik test well

2007· article· en· W2354746944 on OpenAlexaboutno aff
Yue Baojing

Bibliographic record

VenueProgress in geophysics · 2007
Typearticle
Languageen
FieldEnvironmental Science
TopicMethane Hydrates and Related Phenomena
Canadian institutionsnot available
Fundersnot available
KeywordsDrawdown (hydrology)Clathrate hydratePetroleum engineeringGeologyHydrateContinental marginDrillingNatural gasProduction (economics)Environmental scienceGeotechnical engineeringEngineeringAquiferWaste managementChemistryPaleontologyTectonicsGroundwater
DOInot available

Abstract

fetched live from OpenAlex

Mallik gas hydrate production test well was the first International Continental Scientific Drilling Program(ICDP) executed within Canada and leaded by Canada.The purposes of this program were to conduct short term but continuous gas hydrate production in several different ways and to assess the environmental implications of gas hydrate production activity under a multidisciplinary frame.The well location was chosen on the Beaufort Continental Margin,at the north most Mackenzie Delta,which is an area rich of oil and gas in Northwest Territories of Canada.Three holes with 40 m apart were drilled.The middle served as the production well,while the other two besides as the observation wells.Pressuredrawdown and thermal-stimulation were used on the middle hole during the production test.Before this program,based on the production modeling studies,we only known that by pressure-drawdown and thermal-stimulation,gas hydrate dissociation could be fast enough for the gas production,but the economic feasibility remain unknown.The Mallik test result for the first time proved the economic feasibility of gas hydrate production by means of either of pressure-drawdown or thermal-stimulation or the two methods combined.The result also shown that when combined the pressure-drawdown and thermal stimulation together we will get the highest gas production rate.

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 machine prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.001
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.008
Threshold uncertainty score0.015

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
Science and technology studies0.0010.001
Scholarly communication0.0010.001
Open science0.0010.001
Research integrity0.0010.000
Insufficient payload (model declined to judge)0.0030.000

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 head0.008
GPT teacher head0.241
Teacher spread0.233 · 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 source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
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

Citations2
Published2007
Admission routes1
Has abstractyes

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