{"id":"W2980032705","doi":"10.2118/198070-ms","title":"The Duvernay Shale Completion Journey","year":2019,"lang":"en","type":"article","venue":"","topic":"Hydraulic Fracturing and Reservoir Analysis","field":"Engineering","cited_by":15,"is_retracted":false,"has_abstract":true,"ca_institutions":"Chevron (Canada)","funders":"","keywords":"Oil shale; Geology; Hydraulic fracturing; Carbonate; Petroleum engineering; Permeability (electromagnetism); Tectonics; Devonian; Quartz; Total organic carbon; Petrology; Hydrostatic pressure; Tight oil; Geochemistry; Paleontology","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":[0.001261858,0.0004200397,0.0001913266,0.0005424871,0.004451994,0.002827044,0.0007063147,0.0008743361,0.06650586],"category_scores_gemma":[0.001233276,0.0002772633,0.0002670069,0.000392956,0.0006739435,0.001071752,0.004514721,0.001337814,0.01900019],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003538994,"about_ca_system_score_gemma":0.007782676,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.08849971,"about_ca_topic_score_gemma":0.2812523,"domain_scores_codex":[0.9993218,0.0001050178,0.0000194048,0.0001029118,0.0002444763,0.0002064075],"domain_scores_gemma":[0.9983291,0.00005172648,0.00004071271,0.00008355363,0.0004411186,0.001053718],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"observational","study_design_scores_codex":[0.0002924849,0.0002523003,0.01293865,0.0003163996,0.00001687033,0.002444368,0.009194064,0.001391904,0.004723768,0.03079108,0.6909828,0.2466553],"study_design_scores_gemma":[0.000003577124,0.00005655721,0.003277177,0.00003488765,5.890444e-7,0.0001465751,0.001537071,0.00009587449,0.0002561268,0.0003065966,0.9942796,0.000005414814],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.2795208,0.0106123,0.00744597,0.05240154,0.003514084,0.0008770408,0.008742863,0.002024018,0.6348613],"genre_scores_gemma":[0.1955565,0.002174282,0.005808256,0.001434872,0.0002094821,0.0001107223,0.004649342,0.0004573929,0.7895991],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.08849971,"threshold_uncertainty_score":0.2224843,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006544576592974087,"score_gpt":0.1975227775965985,"score_spread":0.1909782010036244,"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."}}