{"id":"W2921664114","doi":"10.2118/195153-ms","title":"Effects of Pre-Existing Fractures on Carbonate Matrix Stimulation Studied by Large-Scale Radial Acidizing Experiments","year":2019,"lang":"en","type":"article","venue":"SPE Middle East Oil and Gas Show and Conference","topic":"Hydraulic Fracturing and Reservoir Analysis","field":"Engineering","cited_by":20,"is_retracted":false,"has_abstract":true,"ca_institutions":"Schlumberger (Canada)","funders":"King Fahd University of Petroleum and Minerals","keywords":"Carbonate; Borehole; Matrix (chemical analysis); Geology; Hydrochloric acid; Petroleum engineering; Well stimulation; Geotechnical engineering; Materials science; Composite material; Petroleum; Metallurgy","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00007275518,0.0001761423,0.0002758832,0.00005794377,0.00006882194,0.00004158675,0.00006762479,0.00007899098,0.00002088824],"category_scores_gemma":[0.00001474503,0.0001480955,0.0000409286,0.00006091957,0.00002939524,0.0000688159,0.00003571076,0.0001399043,0.000004035021],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001315586,"about_ca_system_score_gemma":0.000007264945,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0000568834,"about_ca_topic_score_gemma":0.0000151753,"domain_scores_codex":[0.9992114,0.00002775931,0.0001619375,0.0002211429,0.0001607256,0.0002170226],"domain_scores_gemma":[0.999668,0.00006017498,0.00004680605,0.0001174126,0.00002644607,0.00008116836],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0009003872,0.0007138163,0.0519433,0.007631827,0.001666295,0.00004724197,0.04089367,0.3246719,0.3406623,0.0003619255,0.0004194212,0.230088],"study_design_scores_gemma":[0.006037431,0.0005663909,0.040043,0.001818321,0.0003389464,0.000008034981,0.002307091,0.7639583,0.179495,0.0004211161,0.003601159,0.001405235],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9928728,0.002861808,0.0004284509,0.000038194,0.0001528236,0.0000592803,0.000009846096,0.00005020501,0.003526551],"genre_scores_gemma":[0.9984658,0.0003923676,0.000099264,0.00001696724,0.00006392185,0.000007812054,0.00001139351,0.00001535311,0.0009271656],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4392864,"threshold_uncertainty_score":0.603916,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01195071598768317,"score_gpt":0.2390871005056015,"score_spread":0.2271363845179183,"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."}}