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Record W2917403854 · doi:10.2118/0208-0062-jpt

Overview: Offshore Facilities: Construction and Design (February 2008)

2008· article· en· W2917403854 on OpenAlexaboutno aff
Claude Valenchon

Bibliographic record

VenueJournal of Petroleum Technology · 2008
Typearticle
Languageen
FieldEngineering
TopicOffshore Engineering and Technologies
Canadian institutionsnot available
Fundersnot available
KeywordsArcticSubseaSubmarine pipelineShoreOceanographyEnvironmental scienceThe arcticEnvironmental resource managementEnvironmental planningGeology

Abstract

fetched live from OpenAlex

Overview Deepwater and the Arctic, which, today, represent more than half of the world's undiscovered oil and gas resources, often are associated when it comes to the current challenges in exploration and production. But even if deepwater and the Arctic share a few common problems, those associated with arctic conditions present many unique specificities and a much wider range of technological issues. Among the reasons, arctic areas are interpreted as those with prevailing cold-climate conditions and include, in addition to the whole area north of the Arctic Circle, the subarctic regions down to northeast Canada, Sakhalin, and the Caspian Sea (just to name the more active ones). Also, arctic means not only offshore deep and shallow areas—sometimes including areas with many challenges for very shallow developments (e.g., Kashagan) and for all shore approaches—but also onshore, with long pipelines, large plants, and all the associated infrastructure (e.g., roads and buildings). Common features include high-technological content, heavy logistics, high sophistication of required equipment, and, certainly, high cost of development and production. In addition, subsea processing (separation, boosting, and compression) that enables solving deepwater flow-assurance issues and increasing recovery rates should bring the same advantages to Arctic production and ultimately, in some cases, could allow subsea-to-beach configurations, thus greatly reducing interaction with ice. Remoteness, personnel safety, and environmental footprint (already very important in deepwater) take an even more important place in the highly sensitive Arctic zones. Obvious unique specificities of the Arctic are those related to the low temperatures (i.e., ice, icing, and interaction of ice, ridges, and icebergs with structures and pipelines), leading to ice strengthening and/or disconnect-ability of structures, deep burial of pipelines, ice management for offshore developments, and (for both onshore and offshore) all the difficulties linked to the presence of permafrost. All of these concerns have common major uncertainties linked to the current situation, as well as to their evolution in the future. Even with all the unique challenges of the Arctic, these offshore developments will certainly benefit from the great experience that operators and contractors have already gained in the deepwater scene. However, developments in the Arctic will have to cope with even-more-difficult environmental challenges and larger uncertainties. Offshore Facilities: Construction and Design additional reading available at the OTC Library: www.otcnet.org OTC 18768 "Polyester Mooring Lines on Platforms and MODUs in Deep Water" by John F. Flory, Tension Technology International, et al. OTC 18903 "Development of Revised Gulf of Mexico Metocean Hurricane Conditions for Reference by API Recommended Practices" by E.P. Berek, ExxonMobil, et al.

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: Not applicable · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.518
Threshold uncertainty score0.680

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.001
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 head0.016
GPT teacher head0.200
Teacher spread0.185 · 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 designNot applicable
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
Published2008
Admission routes1
Has abstractyes

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