{"id":"W4408182086","doi":"10.2139/ssrn.5168553","title":"Wellbore Integrity Assessment for Co2 Injection Wells in the Lloydminster Area","year":2025,"lang":"en","type":"preprint","venue":"SSRN Electronic Journal","topic":"Drilling and Well Engineering","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Alberta; University of Regina","funders":"","keywords":"Wellbore; Injection well; Petroleum engineering; Structural integrity; Environmental science; Geology; Engineering","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0004512913,0.0002825988,0.0004622179,0.001261062,0.0006785467,0.001606028,0.000491089,0.0007942194,0.001201829],"category_scores_gemma":[0.001041522,0.0002140185,0.0002393571,0.001080682,0.0004291154,0.001029265,0.0005146396,0.0002804414,0.0002889947],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00204386,"about_ca_system_score_gemma":0.001465529,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.2001464,"about_ca_topic_score_gemma":0.3582607,"domain_scores_codex":[0.9995229,0.00003341525,0.000025286,0.00009379319,0.0002168008,0.0001077166],"domain_scores_gemma":[0.9990477,0.0001248901,0.0001451928,0.00003874254,0.0005702214,0.0000732053],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.002199196,0.0001692502,0.8329555,0.0002453566,0.0001806415,0.001495459,0.002614228,0.03970748,0.06757544,0.001312705,0.001433789,0.05011092],"study_design_scores_gemma":[0.00003813188,0.0003725383,0.8777375,0.0000712578,0.0001089942,0.0002268115,0.00326526,0.08156179,0.03255957,0.0004528569,0.003543374,0.00006199977],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9958724,0.0001446085,0.001251505,0.00003488101,0.000004528751,0.00002008915,0.000441443,0.00003164524,0.00219887],"genre_scores_gemma":[0.9979948,0.00005896558,0.0006024822,0.000005930963,0.000001453585,0.000004593871,0.0001846112,0.000005938497,0.001141339],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.7998536,"threshold_uncertainty_score":0.3979629,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01161974573100432,"score_gpt":0.2582834426509015,"score_spread":0.2466636969198971,"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."}}