{"id":"W2042920974","doi":"10.2118/153165-ms","title":"Comparative Study of Different Sand Samples and Potential for Hydraulic-Fracturing Applications","year":2012,"lang":"en","type":"article","venue":"SPE Oil and Gas India Conference and Exhibition","topic":"Hydraulic Fracturing and Reservoir Analysis","field":"Engineering","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Hydraulic fracturing; Sieve analysis; Roundness (object); Sieve (category theory); Geotechnical engineering; Hydraulic conductivity; Geology; Hammer; Environmental science; Petroleum engineering; Mining engineering; Engineering; Soil science; Mathematics; Soil water","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":[0.0002510723,0.0004148257,0.0002859448,0.0009927829,0.0004255524,0.0006020806,0.0002831595,0.0002709962,0.0009460633],"category_scores_gemma":[0.0005212498,0.0001006295,0.0002646314,0.0008460275,0.0002313681,0.0002374817,0.0002269522,0.0001508294,0.0002625833],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002870801,"about_ca_system_score_gemma":0.0002074412,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004966212,"about_ca_topic_score_gemma":0.01678278,"domain_scores_codex":[0.9996868,0.00003321005,0.00003939919,0.00004807159,0.000145854,0.00004659134],"domain_scores_gemma":[0.9994916,0.0001053204,0.00005292013,0.00003164523,0.0002750289,0.00004350543],"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":[0.0007342212,0.000119164,0.02610684,0.0002187651,0.00006776756,0.000350602,0.0003315747,0.001173796,0.9533893,0.0000812758,0.0001054032,0.01732129],"study_design_scores_gemma":[0.000007697138,0.0009205226,0.08247711,0.0000187774,0.0001434647,0.0002639996,0.0008568271,0.001264779,0.9122384,0.00002791066,0.001760846,0.00001977698],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9984044,0.0001966467,0.0003460574,0.000007279748,0.000005062318,0.0000177811,0.0002418618,0.00001669741,0.0007641096],"genre_scores_gemma":[0.9975471,0.0002178105,0.001069947,0.000007488761,0.000002302186,0.000009071545,0.0003120042,0.00000995317,0.0008243461],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004966212,"threshold_uncertainty_score":0.009874582,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02094219187791334,"score_gpt":0.2508763579053654,"score_spread":0.2299341660274521,"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."}}