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Record W2909300352 · doi:10.4095/292081

Overview of engineering and operations activities conducted as part of the JOGMEC/NRCan/Aurora Mallik 2007-2008 Gas Hydrate Production Research Well Program, Part A: 2007 field program

2012· report· en· W2909300352 on OpenAlexaffabout
D I Ashford, T. Mizuta, S R Dallimore, Koji Yamamoto, F M Nixon, Yutaka Imasato, J F Wright, A E Taylor, A Applejohn

Bibliographic record

Venuenot available
Typereport
Languageen
FieldEnvironmental Science
TopicMethane Hydrates and Related Phenomena
Canadian institutionsNatural Resources Canada
Fundersnot available
KeywordsProduction (economics)Field (mathematics)Natural gas fieldClathrate hydrateHydrateEngineeringEnvironmental scienceMathematicsNatural gasChemistryWaste managementEconomics

Abstract

fetched live from OpenAlex

The Aurora/JOGMEC/NRCan Mallik 2L-38 and 3L-38 wells were re-entered and re-equipped for the purpose of conducting gas hydrate testing through depressurization. The Mallik 2L-38 well had originally been drilled and abandoned in a gas hydrate research project in 1998, and Mallik 3L-38 had been drilled and abandoned in a 2002 gas hydrate production research project. Gas hydrate deposits are encountered at depths of 900 to 1100 m, beneath 600 m of permafrost, at the Mallik site in the Mackenzie Delta, Northwest Territories, Canada. The operational activities included ice-road and site construction; mobilization of camp facilities; drilling-rig and service-rig mobilization and rig-up; well re-entry, drilling, completion, testing, and suspension; and demobilization. These operations were conducted over a 111-day period from December 27, 2006 to April 16, 2007. The original plan included the drilling of a monitoring well (Mallik 6L-38) during the same season, but this was deleted from the scope of work due to time constraints. A unique down-hole gas-water separation scheme, used for production testing of the Mallik 2L-38 well, allowed for a short-duration gas hydrate production test by depressurization. Aurora College was the designated operator for the project, with Inuvialuit Oilfield Services Ltd. (IOFS) acting as their project management consultant. Japan Oil, Gas and Metals National Corporation (JOGMEC) and Natural Resources Canada (NRCan) were the funding partners in the project, jointly managing the research and providing operational oversight for the project.

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)0.002
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: Not applicable · Consensus signal: none
GenreCandidate signal: Other · Consensus signal: Other
Teacher disagreement score0.933
Threshold uncertainty score0.134

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0020.001
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0040.003
Science and technology studies0.0020.000
Scholarly communication0.0020.001
Open science0.0010.001
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0250.008

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 head0.105
GPT teacher head0.343
Teacher spread0.238 · 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 designNot applicable
Domainnot available
GenreOther

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

Citations15
Published2012
Admission routes2
Has abstractyes

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