{"id":"W2317067815","doi":"10.2118/177019-ms","title":"The Progression of Fracture Stimulations in Horizontal Wells Targeting the Montney Formation in the Heritage Field, British Columbia, Western Canada","year":2015,"lang":"en","type":"article","venue":"SPE Asia Pacific Unconventional Resources Conference and Exhibition","topic":"Hydraulic Fracturing and Reservoir Analysis","field":"Engineering","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Timeline; Hydraulic fracturing; Fracture (geology); Natural gas field; Well stimulation; Petroleum engineering; Geology; Tight gas; Engineering; Geotechnical engineering; Reservoir engineering; Paleontology; Archaeology; Natural gas; Geography; Petroleum","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":[0.0004692406,0.0001657098,0.0001559205,0.001582481,0.001560617,0.001277647,0.0005359807,0.0003235429,0.001705024],"category_scores_gemma":[0.001461812,0.0002067335,0.0001250634,0.002369516,0.00130235,0.0002986393,0.0006566825,0.0004125166,0.0001617073],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.009874637,"about_ca_system_score_gemma":0.01049842,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9277636,"about_ca_topic_score_gemma":0.9855579,"domain_scores_codex":[0.9993758,0.00004230852,0.00002266507,0.00008735125,0.0003044172,0.0001675447],"domain_scores_gemma":[0.9979006,0.0003146821,0.0002310754,0.00008807415,0.001228688,0.0002368383],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003641678,0.0001444677,0.8891386,0.0001193162,0.00004954651,0.001344159,0.01014506,0.009807549,0.0170353,0.001380578,0.002878966,0.06759237],"study_design_scores_gemma":[0.000003684358,0.00006386239,0.9786582,0.00002344543,0.000006383337,0.00008434669,0.01260496,0.002974367,0.002274234,0.00008872844,0.003192648,0.00002509512],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9952667,0.00003650767,0.0003181131,0.00004883566,0.000001545397,0.0000279556,0.000604176,0.00002653552,0.003669561],"genre_scores_gemma":[0.9964138,0.00004423393,0.000627457,0.000009273563,4.320884e-7,0.00001189502,0.0003245389,0.000004360023,0.002563999],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.07223642,"threshold_uncertainty_score":0.1453236,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009409045020192956,"score_gpt":0.2127275411712122,"score_spread":0.2033184961510193,"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."}}