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Record W2748385883 · doi:10.1071/aj11107

Networked InField Compression for CSG field development

2012· article· en· W2748385883 on OpenAlexaboutno aff
Guy Hodgson, Vernon Edwards

Bibliographic record

VenueThe APPEA Journal · 2012
Typearticle
Languageen
FieldEngineering
TopicOffshore Engineering and Technologies
Canadian institutionsnot available
Fundersnot available
KeywordsGas compressorEngineeringPipeline transportWellheadPetroleum engineeringMechanical engineering

Abstract

fetched live from OpenAlex

Driven by the LNG feed gas volume demand, recent large CSG field development in Queensland has been developed around large centralised compressor stations, designed and constructed on conventional gas project guidelines. Experience in the United States and Canada during more than four decades, however, has shown the best CSG reservoir performances and lifecycle costs are achieved with low capital cost, flexible infrastructure, and infield compression close to well heads. The Networked InField Compression System offers CSG producers significant advantages compared with centralised systems. The model comprises a grid network of well heads; low, intermediate, and high pressure pipelines; integral infield compressors, and booster compression stations. The model differs from traditional models in a number of ways. The majority of wellhead infrastructure and compression is relocated back in the field, reducing costs and inspection requirements. Low horsepower integral infield compressors are gas driven, pipeline losses are reduced and use 30–40% less BHP than screw compressors, and skid-mounted for simple and cost-effective relocation. Coiled high pressure, low diameter flexible piping is used, which requires a narrow right of way, few connections, and can be ploughed in multiple lines from up to 5–8 km per day, depending on soil conditions.In addition to 30–40% improvements in capital expenditure and installation time, the Networked InField Compression model offers 20–30% lower operating costs and 10–20% more gas from increased flow levels and/or extended well life. Further, environmental impact is decreased by 20–40%, as land use, CO2 emissions; crew sizes and peak water flow are significantly reduced compared with centralised systems.

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 score0.671
Threshold uncertainty score0.211

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)0.0000.000

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 head0.013
GPT teacher head0.211
Teacher spread0.198 · 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
Published2012
Admission routes1
Has abstractyes

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