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Record W4309908009 · doi:10.2118/212144-ms

Flow Assurance Management in Geothermal Production Wells

2022· article· en· W4309908009 on OpenAlexaff
Raya Matoorian, Mohammadreza Malaieri

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldMaterials Science
TopicCalcium Carbonate Crystallization and Inhibition
Canadian institutionsUniversity of Calgary
Fundersnot available
KeywordsGeothermal gradientFlow assuranceScalingProcess engineeringPetroleum engineeringGeothermal energyGeothermal powerInefficiencyComputer scienceScale (ratio)Flow (mathematics)Environmental scienceEngineeringGeologyChemistryGeophysics

Abstract

fetched live from OpenAlex

Abstract Flow assurance ensures that geothermal fluids (hot water and steam) flow properly in a pipe or well and are transferred to a power plant safely and cost-effectively. Inorganic deposition (scales) is regarded as the primary issue in geothermal fluid flow, and a reliable controlling strategy to predict and prevent scaling is essential. We introduced a practical scale integrity management strategy to predict and prevent scaling in the flowline to achieve this goal. Thermochemical modeling is the primary predictive model to predict why, where, and when scaling will occur. Then two treatment approaches (chemical and non-chemical) are investigated to prevent and treat scaling. What-if analysis is extensively applied to propose an economic plan. Due to the inability of laboratory research to replicate the extreme pressures and temperatures of geothermal wells, experts do not know precisely when and how minerals dissolve down in the well and are unable to offer regulating recommendations. Therefore, an efficient scale integrity management plan must be implemented. Simulation tools play a significant part in the development of flow assurance, as they provide a consistent framework for testing various what-if scenarios and aid in making the best operational solution. Injecting chemicals is not always economical to control scaling in geothermal operation due to the cost and inefficiency in high-pressure and high-temperature situations in these wells, and the non-chemical approach should be prioritized. Potential non-chemical approaches include sulfate reduction, operating wells outside critical scaling envelopes, reinjecting produced water, and lifting gas injection with more CO2. This research intends to broaden the flow assurance concept in geothermal wells by analyzing the impediments and treatments from wells to the surface facilities.

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 categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.426
Threshold uncertainty score0.991

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)0.0100.000

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 head0.011
GPT teacher head0.222
Teacher spread0.212 · 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.

Study designBench or experimental
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

Citations8
Published2022
Admission routes1
Has abstractyes

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