{"id":"W4416822238","doi":"10.1016/j.jrmge.2025.09.014","title":"Wellbore integrity assessment for CO2 injection wells in the Lloydminster area","year":2025,"lang":"en","type":"article","venue":"Journal of Rock Mechanics and Geotechnical Engineering","topic":"CO2 Sequestration and Geologic Interactions","field":"Environmental Science","cited_by":3,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"Mitacs; Petroleum Technology Research Centre; Canadian Natural Resources Limited; Cenovus Energy","keywords":"Wellbore; Injection well; Permeability (electromagnetism); Pigging","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005516244,0.0002507883,0.0003961341,0.001442724,0.0009478452,0.001742383,0.0006245444,0.0007562235,0.001028682],"category_scores_gemma":[0.001211567,0.0002828282,0.0002540476,0.001397609,0.0005921039,0.0008858007,0.000583237,0.0002647394,0.0001990383],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.004186539,"about_ca_system_score_gemma":0.002941881,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.4354707,"about_ca_topic_score_gemma":0.7024325,"domain_scores_codex":[0.9993624,0.00006376514,0.00004326927,0.00009417534,0.0002847235,0.0001517081],"domain_scores_gemma":[0.9988412,0.0001340168,0.0002488842,0.00003708132,0.0006379455,0.0001008447],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0007637847,0.0001574129,0.9369782,0.0001243033,0.0001328135,0.001120697,0.002835037,0.009931907,0.02342989,0.0005720467,0.0007577878,0.02319617],"study_design_scores_gemma":[0.00001673024,0.0002066594,0.9704055,0.00005479737,0.00006404953,0.0001445411,0.004004579,0.01694783,0.006179844,0.00008890378,0.001857211,0.00002934829],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9973423,0.00008688981,0.0004502326,0.0000348516,0.000002467833,0.00003601209,0.000218301,0.00001220978,0.001816676],"genre_scores_gemma":[0.9982362,0.00005128413,0.0004766586,0.00001059989,0.000001090905,0.000009706255,0.0001152442,0.000003112289,0.001096127],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.5645293,"threshold_uncertainty_score":0.865872,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01112315137329125,"score_gpt":0.2648564928522147,"score_spread":0.2537333414789235,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}