{"id":"W3122770664","doi":"10.2118/199678-pa","title":"Analysis of Torsional Stick-Slip Situations from Recorded Downhole Rotational Speed Measurements","year":2021,"lang":"en","type":"article","venue":"SPE Drilling & Completion","topic":"Drilling and Well Engineering","field":"Engineering","cited_by":18,"is_retracted":false,"has_abstract":true,"ca_institutions":"ConocoPhillips (Canada)","funders":"","keywords":"Rotational speed; Slip (aerodynamics); Mechanics; Angular velocity; Geology; Engineering; Physics; Mechanical engineering; Classical mechanics","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":[0.0001641295,0.0001536289,0.0003119088,0.0002527817,0.00007486029,0.0000347122,0.00009402193,0.00006598661,0.000621021],"category_scores_gemma":[0.0001101015,0.0001831377,0.0001497473,0.0007937992,0.00001758162,0.0000868377,0.00001833065,0.0001195008,0.00004350726],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001015805,"about_ca_system_score_gemma":0.00002951335,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000085115,"about_ca_topic_score_gemma":0.00009061272,"domain_scores_codex":[0.9987288,0.00003183276,0.0003968409,0.0002294649,0.0004282476,0.0001847803],"domain_scores_gemma":[0.99922,0.0001692075,0.00006268323,0.000229704,0.000247644,0.00007074128],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.000004456792,0.00002855981,0.004229484,0.00001487571,0.0005696822,0.000001516416,0.0001310037,0.9097552,0.08415446,0.000119379,0.0001112583,0.0008801356],"study_design_scores_gemma":[0.0002758551,0.000009690601,0.05298666,0.00006699111,0.0004437164,7.352797e-7,0.00003962758,0.9309081,0.01375474,0.0004605276,0.0008445023,0.0002088421],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.6373167,0.0002329583,0.3596954,0.0000528446,0.0007894249,0.0000753045,0.0001645829,0.0001943638,0.00147842],"genre_scores_gemma":[0.9843336,0.00004268607,0.01340079,0.00001556393,0.0001846863,0.000003618618,0.001935891,0.00002548753,0.00005769751],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3470169,"threshold_uncertainty_score":0.7468137,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03644057014738516,"score_gpt":0.2355594051247969,"score_spread":0.1991188349774117,"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."}}