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Record W2023292208 · doi:10.2118/122824-ms

Analysis of Inflow Control Devices

2009· article· en· W2023292208 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.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicReservoir Engineering and Simulation Methods
Canadian institutionsUniversity of Calgary
Fundersnot available
KeywordsInflowPressure dropElectrical conduitNozzlePetroleum engineeringDrop (telecommunication)Flow coefficientTurbulenceMechanicsFlow (mathematics)Flow control (data)Volumetric flow rateEnvironmental scienceOil fieldEngineeringMechanical engineeringPhysics

Abstract

fetched live from OpenAlex

Abstract Inflow Control Devices (IDCs) were initially developed to avoid water coning problems in long horizontal wells. They have been used with success the past 15 years. There are, however, issues that needs to be resolved. A pressure drop model of the ICD is presented herein. The physical model of the ICD consists of pressure drop equations from the reservoir, through the screen, through the flow conduit, through the ICD nozzle and into the production tubing, and, pressure drop through the lower completion system. Evaluation of the model shows that for current commercial tools, turbulent flow through the ICD dominates the pressure drop, leading to a density controlled flow. This is fortunate as density varies much less than viscosity over the production life of a field. Due to the inherent non-linear nature of a production system, the pressure drop versus flow rate will vary with degree of depletion. An ICD may be optimal initially, but not when the reservoir pressure is depleted. This paper also presents a new designer IDC concept which maintains constant flow regardless of the degree of field depletion. It is based on a hydraulic feedback principle, and ensures controlled flow throughout the life of the oil field.

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)0.000
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: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.520
Threshold uncertainty score0.180

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 head0.009
GPT teacher head0.265
Teacher spread0.255 · 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