{"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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000245513,0.0001546374,0.000201802,0.00007143193,0.0003356554,0.0001596409,0.00006233621,0.0001465424,0.0001287216],"category_scores_gemma":[0.00006185877,0.0001235708,0.00003747152,0.00008022808,0.0001204037,0.0004115095,0.00004008567,0.000130728,0.000003643696],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001639592,"about_ca_system_score_gemma":0.0000286871,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001459847,"about_ca_topic_score_gemma":0.0000871518,"domain_scores_codex":[0.9989702,0.00005042639,0.000375693,0.0002609649,0.0001850854,0.0001576425],"domain_scores_gemma":[0.9991852,0.00008771921,0.0003002116,0.0001630401,0.0001759237,0.00008789069],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.000810983,0.0001541621,0.07028838,0.0006657752,0.0001417997,0.000003908049,0.02067555,0.00005237716,0.5961405,0.001062661,0.000008956662,0.3099949],"study_design_scores_gemma":[0.004696157,0.0004638968,0.3955528,0.001465371,0.0005308745,0.00004820389,0.01145036,0.2147878,0.3523221,0.01400368,0.002928359,0.001750464],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9967418,0.0001693462,0.001165635,0.0005244914,0.00002444669,0.00002849555,0.00002166173,0.00003684626,0.001287235],"genre_scores_gemma":[0.9982939,0.0008003892,0.0000674218,0.00005018984,0.00007444633,0.00001132229,0.0001172659,0.00001069055,0.0005743793],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3252644,"threshold_uncertainty_score":0.5039072,"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."}}