{"id":"W2001921691","doi":"10.2118/145698-ms","title":"The Characterisation of Heavy Oils and Tar-Bitumen Deposits - Southern Iraq Oilfields","year":2011,"lang":"en","type":"article","venue":"SPE Reservoir Characterisation and Simulation Conference and Exhibition","topic":"Petroleum Processing and Analysis","field":"Chemistry","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Asphalt; Oil sands; Geology; Deposition (geology); Asphaltene; Source rock; Lithology; Cretaceous; Hydrocarbon; Petroleum engineering; Geochemistry; tar (computing); Structural basin; Materials science; Geomorphology; Paleontology; Chemistry; Composite material","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.0001365496,0.0002331287,0.0001571673,0.00140098,0.0004117945,0.0003290611,0.0001982757,0.0001718068,0.0006767794],"category_scores_gemma":[0.0001536197,0.000114063,0.0001441845,0.001037435,0.0002501992,0.0002041259,0.0002302552,0.0001078347,0.0002264553],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004720906,"about_ca_system_score_gemma":0.0003957038,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.04981754,"about_ca_topic_score_gemma":0.07453047,"domain_scores_codex":[0.9999427,0.000005014453,0.000004112851,0.00001027254,0.00001973019,0.00001811912],"domain_scores_gemma":[0.9999197,0.00001028344,0.00002050447,0.000004409719,0.00003495213,0.00001026852],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002813364,0.0001029559,0.7763961,0.00009132802,0.00004189364,0.001915962,0.001973354,0.006379392,0.1802032,0.0003550167,0.000228355,0.03203116],"study_design_scores_gemma":[0.00001262459,0.00008247064,0.9673701,0.00001228965,0.00001900743,0.0003468321,0.001627654,0.005930715,0.02212179,0.00005632264,0.002413202,0.000007035581],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9991947,0.00003416951,0.000169267,0.000008096227,7.654028e-7,0.000005829698,0.0001170582,0.000005137223,0.0004649893],"genre_scores_gemma":[0.9988379,0.00005469234,0.000384876,0.000004499022,0.000001235909,0.000004472455,0.0001501219,0.000003227499,0.0005590466],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04981754,"threshold_uncertainty_score":0.09905511,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03902575128288253,"score_gpt":0.256977786893861,"score_spread":0.2179520356109785,"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."}}