{"id":"W1965548833","doi":"10.2118/154815-ms","title":"Use of Pressure- and Rate-Transient Techniques for Analyzing Core Permeability Tests for Unconventional Reservoirs","year":2012,"lang":"en","type":"article","venue":"","topic":"Hydrocarbon exploration and reservoir analysis","field":"Engineering","cited_by":12,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Calgary","funders":"ConocoPhillips","keywords":"Permeability (electromagnetism); Petroleum engineering; Relative permeability; Volumetric flow rate; Darcy's law; Permeameter; Wireline; Tight gas; Mechanics; Geology; Geotechnical engineering; Porous medium; Soil science; Porosity; Hydraulic fracturing; Computer science; Chemistry; Hydraulic conductivity; Physics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"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":[0.001113158,0.0004430379,0.0004046898,0.001323931,0.000236887,0.0006490911,0.0006762172,0.0004400587,0.001028619],"category_scores_gemma":[0.002149945,0.0002337419,0.0003420546,0.0008168151,0.0004798563,0.0008763361,0.0004851241,0.0008160332,0.0004050958],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002777416,"about_ca_system_score_gemma":0.0003226235,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0006063678,"about_ca_topic_score_gemma":0.0009576447,"domain_scores_codex":[0.9992895,0.0001247506,0.00005275435,0.0001326748,0.0003450648,0.00005515532],"domain_scores_gemma":[0.9977289,0.0009047691,0.000463346,0.0001810472,0.0006297669,0.00009220075],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.000189679,0.0001234479,0.006805318,0.0001478861,0.00002216599,0.0001546535,0.0001908934,0.002010437,0.9615053,0.0003234618,0.0001363886,0.0283904],"study_design_scores_gemma":[0.000006764531,0.0003261705,0.01450691,0.00001605179,0.00002745725,0.0002189986,0.000144816,0.05195298,0.9315033,0.0002565989,0.000994852,0.00004511871],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.6480172,0.0004545739,0.3469837,0.0001403193,0.00006719919,0.0001815154,0.0006381012,0.001951457,0.00156593],"genre_scores_gemma":[0.91366,0.0002359723,0.08462159,0.00003939666,0.00001797088,0.0001459722,0.0002454917,0.0001480549,0.0008855149],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001323931,"threshold_uncertainty_score":0.005887032,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0589205284661263,"score_gpt":0.2950273891600083,"score_spread":0.236106860693882,"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."}}