{"id":"W2197685011","doi":"10.1306/13321471m973493","title":"Ancient Microbial Gas in the Upper Cretaceous Milk River Formation, Alberta and Saskatchewan&lt;subtitle&gt;A Large Continuous Accumulation in Fine-grained Rocks&lt;/subtitle&gt;","year":2012,"lang":"en","type":"book-chapter","venue":"American Association of Petroleum Geologists eBooks","topic":"Hydrocarbon exploration and reservoir analysis","field":"Engineering","cited_by":6,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Geology; Oil shale; Unconventional oil; Hydraulic fracturing; Geochemistry; Natural gas; Source rock; Tight oil; Directional drilling; Earth science; Drilling; Petroleum engineering; Mining engineering; Paleontology; Structural basin","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":[0.0001083227,0.0002545759,0.0001496936,0.001662669,0.001894011,0.00142027,0.0004355925,0.0002755196,0.00480771],"category_scores_gemma":[0.0003211848,0.0001803921,0.0001016449,0.003410321,0.001360193,0.0004618037,0.0006571859,0.0003583519,0.0004303347],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.01817574,"about_ca_system_score_gemma":0.0173171,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9495843,"about_ca_topic_score_gemma":0.9910194,"domain_scores_codex":[0.9998614,0.00000682689,0.00000424095,0.00003361351,0.00004817936,0.00004569089],"domain_scores_gemma":[0.9998604,0.000009517373,0.00002480075,0.000005880754,0.00007520283,0.00002414289],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003376288,0.00008587516,0.5824375,0.0003986389,0.0001457004,0.006542297,0.01851363,0.002621713,0.02248605,0.03283523,0.01379061,0.3198051],"study_design_scores_gemma":[0.00001031714,0.00001761293,0.8988515,0.0001601487,0.00003328768,0.0006332402,0.01594528,0.0007008133,0.002156934,0.001620889,0.0798317,0.0000382462],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9209749,0.004513632,0.001186272,0.001504866,0.0000788373,0.00005043701,0.002808874,0.00009807455,0.06878404],"genre_scores_gemma":[0.9544647,0.001795998,0.001063263,0.0002803977,0.000007942725,0.0000139691,0.001009079,0.00002348173,0.04134127],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05041569,"threshold_uncertainty_score":0.1318749,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008375546383982472,"score_gpt":0.2095211184788364,"score_spread":0.2011455720948539,"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."}}