{"id":"W4415777980","doi":"10.2118/228993-ms","title":"Case Study: Annular Isolation Using A Hydro-Mechanical Expansion Plug &amp; Perforator","year":2025,"lang":"","type":"article","venue":"","topic":"Drilling and Well Engineering","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Alberta Energy","funders":"","keywords":"Casing; Annulus (botany); Spark plug; Wellhead; Slumping; Retrievability; Abandonment (legal)","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":[0.0008829546,0.0007408787,0.0003593933,0.0005995219,0.001551501,0.001236101,0.001457006,0.00197333,0.003701433],"category_scores_gemma":[0.002586033,0.000333322,0.0004949472,0.000361067,0.001236928,0.001070532,0.001180061,0.001361671,0.001292721],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008385254,"about_ca_system_score_gemma":0.001044059,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004355888,"about_ca_topic_score_gemma":0.009922286,"domain_scores_codex":[0.9985618,0.0003012529,0.0001081153,0.0001844698,0.000592001,0.0002524264],"domain_scores_gemma":[0.9985135,0.0005130515,0.000218363,0.0001998853,0.0001939995,0.0003611989],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"case_report","study_design_gemma":"case_report","study_design_scores_codex":[0.0008811082,0.001491458,0.08010447,0.00071203,0.00007922936,0.7032513,0.01303757,0.01614415,0.05212133,0.00882428,0.005632981,0.1177202],"study_design_scores_gemma":[0.0001649603,0.005725941,0.07294534,0.0005695856,0.0001937365,0.5993687,0.02723238,0.05028034,0.1287972,0.004604867,0.1098571,0.0002600067],"study_design_candidate":"case_report","study_design_consensus":"case_report","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9508204,0.000350509,0.03064275,0.00101815,0.00009952211,0.0002583826,0.0001131855,0.0003884526,0.01630866],"genre_scores_gemma":[0.98017,0.0001185647,0.0117578,0.0001261896,0.00002081746,0.00003147202,0.00004766927,0.0000690881,0.007658483],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004355888,"threshold_uncertainty_score":0.01238251,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02261662786463116,"score_gpt":0.2623207144915421,"score_spread":0.2397040866269109,"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."}}