{"id":"W1965955368","doi":"10.2118/170491-ms","title":"ECD Management Solves Lost Circulation Issues in Cementing Narrow Pressure Window: A Case Study","year":2014,"lang":"en","type":"article","venue":"IADC/SPE Asia Pacific Drilling Technology Conference","topic":"Drilling and Well Engineering","field":"Engineering","cited_by":16,"is_retracted":false,"has_abstract":true,"ca_institutions":"Schlumberger (Canada)","funders":"","keywords":"Lost circulation; Drilling fluid; Casing; Petroleum engineering; Newtonian fluid; Mechanics; Fluid dynamics; Herschel–Bulkley fluid; Cement; Materials science; Pressure drop; Non-Newtonian fluid; Geotechnical engineering; Geology; Composite material; Physics","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":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0005077916,0.0004227011,0.0004705259,0.0008231455,0.0001440793,0.0001240576,0.0003911739,0.0002936627,0.00003669186],"category_scores_gemma":[0.00004935874,0.0004760831,0.00006015367,0.0007189512,0.00008885062,0.00019811,0.0001119404,0.0005469443,0.00008187281],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00006620379,"about_ca_system_score_gemma":0.00001125238,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00004524331,"about_ca_topic_score_gemma":0.00007681963,"domain_scores_codex":[0.9978391,0.00005231062,0.0005755223,0.0006127172,0.0002536037,0.0006667809],"domain_scores_gemma":[0.9989432,0.00005624696,0.00008853072,0.0007598846,0.00007560133,0.00007651719],"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":[0.00001227927,0.000271828,0.05318063,0.0005663155,0.0004108191,0.001603009,0.004581043,0.8802072,0.005341478,0.008305207,0.0001405039,0.04537968],"study_design_scores_gemma":[0.001322101,0.000136938,0.001323405,0.0004269527,0.0001474177,0.0003509617,0.01479961,0.9664865,0.003463097,0.002724571,0.007812903,0.001005588],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.864963,0.001160181,0.1143114,0.0003176472,0.0008862457,0.001097639,0.000005569606,0.002661476,0.0145968],"genre_scores_gemma":[0.995786,0.00008951361,0.003608675,0.000003909032,0.00008273561,0.00007708716,0.000007565791,0.00007534139,0.0002691557],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.130823,"threshold_uncertainty_score":0.9997691,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01008125415664917,"score_gpt":0.2211492326207335,"score_spread":0.2110679784640844,"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."}}