{"id":"W2790074133","doi":"10.1016/j.petrol.2018.02.029","title":"Investigation of the initiation pressure and fracture geometry of fractured deviated wells","year":2018,"lang":"en","type":"article","venue":"Journal of Petroleum Science and Engineering","topic":"Hydraulic Fracturing and Reservoir Analysis","field":"Engineering","cited_by":28,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Calgary","funders":"China Scholarship Council; National Natural Science Foundation of China; Alberta Innovates - Technology Futures","keywords":"Borehole; Casing; Perforation; Hydraulic fracturing; Geology; Materials science; Geotechnical engineering; Perpendicular; Fracture (geology); Mechanics; Geometry; Composite material; Petroleum engineering","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0002161884,0.0002098651,0.0002670084,0.0005948254,0.000276439,0.0003630835,0.0005073639,0.0003986145,0.0009609469],"category_scores_gemma":[0.000784595,0.000330036,0.0002365901,0.0005054792,0.0004954972,0.0002706076,0.0002867882,0.0003438357,0.0001206442],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003702196,"about_ca_system_score_gemma":0.0004166728,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00226114,"about_ca_topic_score_gemma":0.00212481,"domain_scores_codex":[0.9998434,0.00001447635,0.000007844615,0.00003429948,0.00007325411,0.00002672186],"domain_scores_gemma":[0.9995586,0.0001702451,0.00007583925,0.00004798788,0.0001097744,0.00003763474],"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":[0.001793028,0.0003433552,0.1889051,0.0001840907,0.00009787022,0.003326176,0.0005189406,0.1256659,0.6525958,0.002884877,0.0003236328,0.0233612],"study_design_scores_gemma":[0.00005457324,0.0004288889,0.42507,0.00001726801,0.00005805054,0.0009328513,0.0005211214,0.4212862,0.1503316,0.0008331208,0.0003963289,0.00007003107],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9981198,0.00003108472,0.001324913,0.000007222842,0.000001038249,0.000004203018,0.00008428142,0.00002609557,0.000401278],"genre_scores_gemma":[0.9994807,0.00001472188,0.0003839057,7.552162e-7,5.3908e-7,0.000001767811,0.00004064252,0.000002564269,0.00007451503],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00226114,"threshold_uncertainty_score":0.004495978,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005409810971650818,"score_gpt":0.1920791174211851,"score_spread":0.1866693064495343,"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."}}