{"id":"W2734663867","doi":"10.1190/int-2017-0067.1","title":"Quality grading system for tight sandstone reservoirs in the Quantou 4 Member, southern Songliao Basin, Northeast China","year":2017,"lang":"en","type":"article","venue":"Interpretation","topic":"Hydrocarbon exploration and reservoir analysis","field":"Engineering","cited_by":11,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Regina","funders":"Young Scientists Fund; National Natural Science Foundation of China; University of Regina","keywords":"Tight oil; Tight gas; Geology; Permeability (electromagnetism); Hydraulic fracturing; Structural basin; Petrology; Geotechnical engineering; Geomorphology; Oil shale; Chemistry; Paleontology","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0004093253,0.0002786283,0.0002494743,0.003016109,0.000547129,0.0006912555,0.0003895104,0.0002359362,0.0006657585],"category_scores_gemma":[0.0006148762,0.0001829572,0.0002897661,0.002179229,0.000525066,0.0004425932,0.0005733256,0.00009633417,0.00008092928],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001320841,"about_ca_system_score_gemma":0.001371882,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.08791751,"about_ca_topic_score_gemma":0.1268665,"domain_scores_codex":[0.999679,0.00002159138,0.00006340398,0.00006178144,0.0001159913,0.00005834056],"domain_scores_gemma":[0.9995267,0.00003792494,0.0001494093,0.00002530614,0.0001839389,0.00007667759],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0001049572,0.00003480155,0.9612446,0.00009211995,0.00006036486,0.0003348057,0.0007510801,0.003021364,0.01105636,0.0003380378,0.000241523,0.02271976],"study_design_scores_gemma":[0.000008674321,0.00003548656,0.9919117,0.00001190654,0.00002828304,0.00005762844,0.000603448,0.005457655,0.001190876,0.0001058011,0.0005741356,0.00001453418],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9984151,0.00005953524,0.0005627109,0.00001841435,0.000001662385,0.00002450745,0.0002394406,0.00002441402,0.0006541411],"genre_scores_gemma":[0.998887,0.00002033872,0.0004608716,0.000003908082,9.262037e-7,0.00001008447,0.0002660654,0.00000188991,0.000348935],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.08791751,"threshold_uncertainty_score":0.1748115,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02817200775065485,"score_gpt":0.2960670851628333,"score_spread":0.2678950774121784,"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."}}