{"id":"W2001655627","doi":"10.2118/79810-ms","title":"Challenges of Drilling an Ultra-Deep Well in Deepwater – Spa Prospect","year":2003,"lang":"en","type":"article","venue":"","topic":"Drilling and Well Engineering","field":"Engineering","cited_by":32,"is_retracted":false,"has_abstract":true,"ca_institutions":"ConocoPhillips (Canada)","funders":"","keywords":"Wellhead; Deepwater drilling; Drilling; Drill; Geology; Wellbore; Borehole; Drill string; Petroleum engineering; Casing; Completion (oil and gas wells); Mining engineering; Engineering; Geotechnical engineering; Mechanical engineering","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001590122,0.0002669211,0.0001633158,0.0002307625,0.002289873,0.001436201,0.0006463234,0.00106086,0.001763533],"category_scores_gemma":[0.002097365,0.0003025733,0.0001626103,0.0002630166,0.0007388939,0.001691798,0.0009226038,0.000979795,0.0004130374],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0010995,"about_ca_system_score_gemma":0.00322969,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01209549,"about_ca_topic_score_gemma":0.03694738,"domain_scores_codex":[0.9992337,0.0002492873,0.00004513521,0.00005464091,0.0002534111,0.0001638444],"domain_scores_gemma":[0.9986725,0.000478756,0.0001218052,0.00009356711,0.0003138534,0.0003195516],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"not_applicable","study_design_scores_codex":[0.001174331,0.0005373249,0.07914,0.0007875017,0.00006033075,0.02122414,0.01782055,0.1595662,0.1091789,0.02667929,0.02391322,0.5599183],"study_design_scores_gemma":[0.0002129275,0.005424761,0.1025554,0.0009020972,0.00009890606,0.01519054,0.2019246,0.1477414,0.08432142,0.04261911,0.3986062,0.0004027795],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"other","genre_scores_codex":[0.920664,0.0007055498,0.04766653,0.00932206,0.0001147977,0.0003074044,0.0002088115,0.0004019764,0.02060885],"genre_scores_gemma":[0.9617962,0.0003951502,0.0338346,0.000219676,0.00001489098,0.00004108056,0.00009157064,0.000030409,0.003576347],"genre_candidate":"other","genre_consensus":null,"teacher_disagreement_score":0.01209549,"threshold_uncertainty_score":0.02405018,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01114016834100344,"score_gpt":0.1931984352725161,"score_spread":0.1820582669315127,"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."}}