{"id":"W1984124729","doi":"10.2118/80448-ms","title":"Effect of Volumetric Failure on Sand Production in Oil-Wellbores","year":2003,"lang":"en","type":"article","venue":"SPE Asia Pacific Oil and Gas Conference and Exhibition","topic":"Drilling and Well Engineering","field":"Engineering","cited_by":29,"is_retracted":false,"has_abstract":true,"ca_institutions":"Dalhousie University","funders":"","keywords":"Shear (geology); Geotechnical engineering; Ultimate tensile strength; Failure mechanism; Geology; Failure mode and effects analysis; Shear stress; Triaxial shear test; Materials science; Mechanics; Composite material; Petrology","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":[0.0002144391,0.0001389089,0.0001815737,0.0002031724,0.00002966536,0.00002735005,0.00002024061,0.00007538572,0.00001139817],"category_scores_gemma":[0.00004512198,0.0001239957,0.00002099394,0.0002247396,0.00003362712,0.00009792351,0.000003678855,0.0001270994,0.000004900384],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001349029,"about_ca_system_score_gemma":0.000005199839,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0000107538,"about_ca_topic_score_gemma":0.000009611209,"domain_scores_codex":[0.999401,0.00003423823,0.0001441656,0.0001775332,0.00008684474,0.0001562663],"domain_scores_gemma":[0.9997835,0.0000374771,0.00001987449,0.00009541565,0.00001834314,0.00004545389],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00006331241,0.00003929938,0.003417304,0.001410278,0.00002659936,0.000009247746,0.0007500997,0.01264162,0.02804544,0.001136745,0.0004027567,0.9520573],"study_design_scores_gemma":[0.003638619,0.001695105,0.004495709,0.002757387,0.0001198702,0.0001205617,0.001541157,0.06066088,0.9122269,0.002808888,0.008524159,0.00141082],"study_design_candidate":"design_other","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9785767,0.0005671784,0.0001625828,0.0001072527,0.0001958009,0.00003067021,0.000003285734,0.00006733185,0.02028922],"genre_scores_gemma":[0.996945,0.002681131,0.00007180597,0.000001356076,0.00003581904,0.000008738401,0.000009379264,0.00001217223,0.0002346092],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.9506465,"threshold_uncertainty_score":0.5056397,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005630280682454884,"score_gpt":0.1889591621328251,"score_spread":0.1833288814503702,"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."}}