{"id":"W2274228355","doi":"10.2118/171583-pa","title":"Tight Cardium Multistage-Fractured Horizontal-Oil-Well-Performance Study Focusing on the Effectiveness of Various Fracture-Fluid Systems","year":2015,"lang":"en","type":"article","venue":"Journal of Canadian Petroleum Technology","topic":"Hydraulic Fracturing and Reservoir Analysis","field":"Engineering","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"Alberta Energy","funders":"","keywords":"Petroleum engineering; Fracture (geology); Geology; Hydraulic fracturing; Directional drilling; Tight gas; Completion (oil and gas wells); Geotechnical engineering; Petrology; Drilling; Engineering","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.000700657,0.0003336806,0.0003362613,0.0008143833,0.0005611925,0.0005430785,0.0006605806,0.0003065776,0.0008477782],"category_scores_gemma":[0.000958801,0.0001805002,0.0002909742,0.0008350493,0.0004705579,0.0003879507,0.0003217573,0.0001867419,0.0001185058],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003151769,"about_ca_system_score_gemma":0.001139855,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.1532778,"about_ca_topic_score_gemma":0.3122534,"domain_scores_codex":[0.9994134,0.00009116585,0.00002667084,0.00007929175,0.0002720246,0.0001174562],"domain_scores_gemma":[0.9991986,0.0002387649,0.0001209955,0.00005529138,0.0003096774,0.00007665519],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.003520476,0.001758316,0.5114692,0.0005273464,0.0003130437,0.004050617,0.001506448,0.1559995,0.2251319,0.001436499,0.0006091251,0.09367763],"study_design_scores_gemma":[0.00007272778,0.008126993,0.7579007,0.0000539361,0.0001260595,0.0007148682,0.003654516,0.07147259,0.1545956,0.0003277911,0.002839876,0.0001143841],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9992182,0.00002794091,0.0002549756,0.000002910116,4.4847e-7,0.00001368877,0.00003881843,0.000004481153,0.0004384231],"genre_scores_gemma":[0.9987946,0.00003022783,0.0006360886,0.000002077836,3.803765e-7,0.000005842036,0.00006401892,0.000001486657,0.0004653001],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1532778,"threshold_uncertainty_score":0.3047712,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007289178302586123,"score_gpt":0.1970737820789159,"score_spread":0.1897846037763298,"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."}}