Evaluation of Compatibility between Thermal Insulator, External Coating, and Cathodic Protection at 150°C
Bibliographic record
Abstract
Abstract Due to operational requirements including the production of heavy oil from oil-sands by the Steam-Assisted Gravitational Drainage (SAGD) process, the operating temperature of pipelines is increasing. Pipelines are being operated at temperatures as high as 150°C. To maintain such temperatures, the external surface of the pipeline is protected by an insulator in addition to an anticorrosion coating. All underground pipelines are further protected by cathodic protection (CP). The cathodic disbondment (CD) test is commonly used for determining compatibility between external polymeric pipeline coatings and CP. This test measures the coating disbondment caused by electrical stress. The test evaluates the ability of the coating not to loosen or disbond under the stress of the imposed cathodic potential. Several standard procedures are available to conduct the CD test at temperatures up to 65°C. The influence of various factors affecting cathodic disbondment of anticorrosion coatings below insulators was investigated at 150°C.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
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".