{"id":"W4245295024","doi":"10.2118/133500-ms","title":"Sand on Demand: An Approach to Improving Productivity in Horizontal Wells under Heavy Oil Primary Production - Part II","year":2010,"lang":"en","type":"article","venue":"SPE Western Regional Meeting","topic":"Hydraulic Fracturing and Reservoir Analysis","field":"Engineering","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"","keywords":"Permeability (electromagnetism); Oil sands; Petroleum engineering; Oil production; Geology; Productivity; Production (economics); Grain size; Geotechnical engineering; Environmental science; Materials science","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":[0.000282616,0.0003283244,0.0003346434,0.0003525376,0.0004461975,0.0006933034,0.0006348151,0.0002402261,0.002043522],"category_scores_gemma":[0.0004048883,0.0002076798,0.0002481839,0.0004225516,0.0003627284,0.0003464742,0.0006786114,0.000267848,0.0002201262],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00121906,"about_ca_system_score_gemma":0.001417823,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005629729,"about_ca_topic_score_gemma":0.0124942,"domain_scores_codex":[0.9997463,0.0000317924,0.00001465455,0.00004572232,0.0001080821,0.00005346817],"domain_scores_gemma":[0.999658,0.0000704088,0.00009153948,0.00005264984,0.00007352536,0.00005388158],"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":[0.0006077858,0.0006709534,0.008643265,0.0002681472,0.0000197723,0.0002320658,0.0002707436,0.02395551,0.87247,0.001595711,0.0003770754,0.09088896],"study_design_scores_gemma":[0.00009216461,0.003050295,0.02692422,0.00002488208,0.00005331871,0.0001201709,0.0008800382,0.06674589,0.8937972,0.0009953873,0.007262269,0.00005419339],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9724951,0.00006318864,0.02282171,0.00007053526,0.00000981435,0.0001316791,0.0001181759,0.0002263626,0.004063348],"genre_scores_gemma":[0.9784873,0.00005069415,0.01945755,0.00001253886,0.000002856616,0.00005580491,0.00005426229,0.00001785227,0.001861193],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005629729,"threshold_uncertainty_score":0.01119387,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01324050468992117,"score_gpt":0.2190430256168317,"score_spread":0.2058025209269105,"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."}}