{"id":"W36945413","doi":"10.1023/a:1020370417367","title":"Mud removal and cement placement during primary cementing of an oil well – Laminar non-Newtonian displacements in an eccentric annular Hele-Shaw cell","year":2002,"lang":"en","type":"article","venue":"Journal of Engineering Mathematics","topic":"Drilling and Well Engineering","field":"Engineering","cited_by":153,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of British Columbia","funders":"Natural Sciences and Engineering Research Council of Canada; Pacific Institute for the Mathematical Sciences","keywords":"Annulus (botany); Mechanics; Casing; Stream function; Geology; Displacement (psychology); Physics; Materials science; 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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0005398141,0.0003636851,0.0005810586,0.0005623102,0.0000428947,0.00006268045,0.0002701308,0.0001068325,0.00003264588],"category_scores_gemma":[0.00002447684,0.0003800976,0.00009069053,0.0003071298,0.00001697317,0.0004738746,0.00006175136,0.0003672714,0.00000360172],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002211013,"about_ca_system_score_gemma":0.00001010426,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000002046477,"about_ca_topic_score_gemma":0.000001161384,"domain_scores_codex":[0.997712,0.00001684624,0.001104564,0.0001887045,0.0004771445,0.0005007848],"domain_scores_gemma":[0.9990808,0.00005752044,0.0002601129,0.0003052891,0.00006486934,0.0002314131],"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":[0.00001109032,0.0003405181,0.0003687691,0.003470276,0.00006918541,0.0001411481,0.001581267,0.9234585,0.06993125,0.00001213937,0.00001571457,0.0006002067],"study_design_scores_gemma":[0.001731632,0.0002184297,0.0005850027,0.001148371,0.00007381969,0.0001443058,0.000289856,0.9771332,0.01790535,0.000006688691,0.0003600343,0.000403344],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9767398,0.0009844543,0.02101229,0.000007622893,0.0002938074,0.0001215415,0.000005267423,0.00006964542,0.0007655477],"genre_scores_gemma":[0.9389414,0.000827018,0.05981201,0.00000433029,0.0001316565,0.000005243378,0.000004681962,0.0001108062,0.0001629238],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05367474,"threshold_uncertainty_score":0.9998651,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006088354226066001,"score_gpt":0.1804713923302863,"score_spread":0.1743830381042203,"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."}}