MétaCan
Menu
Back to cohort
Record W2007786604 · doi:10.2118/97922-ms

Wellbore Hydraulics in a SAGD Well Pair

2005· article· en· W2007786604 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
TopicOil and Gas Production Techniques
Canadian institutionsConocoPhillips (Canada)
Fundersnot available
KeywordsInjectorWellboreSteam injectionPetroleum engineeringVapor qualityGas liftLift (data mining)Pressure dropHydraulicsAsphaltArtificial liftEngineeringEnvironmental scienceHeat exchangerMechanical engineeringMechanicsMaterials science

Abstract

fetched live from OpenAlex

Abstract In SAGD process a pair of horizontal wells is drilled at the base of a heavy oil and bitumen reservoir, vertically one above the other. Steam is injected into the upper well and the heated and mobilized bitumen drains to the bottom producer and is withdrawn either by natural lift or artificial lift. Uniform distribution of steam along the entire length of the well bore is very important for the uniform growth of the steam chamber. This is very important to make the entire length of the well productive. Pressure drop along the length of the injector and producer may cause steam break through in one segment and build up of liquid level between the wells. Generally steam is injected at the heel and the toe of the well and is distributed along the entire length primarily through slotted liner. It is expected that this will provide a higher quality steam at the toe end of the well. However, with out proper design the counter current heat transfer between the two streams may result in delivering a poor quality to the toe. In the producer it is necessary to withdraw fluid from the toe and heel. In a concentric design this may cause serious lifting problem if the tubulars are not designed properly and the split between the streams is not right. This paper presents the issues related to SAGD well bore design.

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: Not applicable · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.793
Threshold uncertainty score0.366

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 head0.004
GPT teacher head0.185
Teacher spread0.181 · 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

Quick stats

Citations25
Published2005
Admission routes1
Has abstractyes

Explore more

Same topicOil and Gas Production TechniquesFrench-language works237,207