{"id":"W1536416286","doi":"10.5006/c2002-02054","title":"Evaluating Fitness-for-Purpose of Coiled Tubing for Underbalanced Drilling of Sour Wells","year":2002,"lang":"en","type":"article","venue":"","topic":"Drilling and Well Engineering","field":"Engineering","cited_by":12,"is_retracted":false,"has_abstract":true,"ca_institutions":"Shell (Canada)","funders":"","keywords":"Coiled tubing; Underbalanced drilling; Petroleum engineering; Drilling; Sour gas; Geology; Engineering; Materials science; Drilling fluid; Metallurgy; Waste management","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":[0.001221667,0.0004197893,0.000386762,0.0004433401,0.0002673839,0.0004167103,0.0004906121,0.0005050395,0.00128809],"category_scores_gemma":[0.002208572,0.000149789,0.0002771727,0.0002649053,0.0003209068,0.0004728261,0.0004746264,0.0002007647,0.0002086279],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005384432,"about_ca_system_score_gemma":0.0005137647,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001729323,"about_ca_topic_score_gemma":0.006654511,"domain_scores_codex":[0.999361,0.0001704148,0.00005022256,0.0001079895,0.0002405761,0.00006980516],"domain_scores_gemma":[0.9982358,0.0002989426,0.0004003844,0.0001618891,0.0006593893,0.0002435496],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.002190722,0.000454555,0.03422699,0.0001506259,0.00003258818,0.0001957535,0.0001820341,0.004229387,0.9406971,0.00006217484,0.00006239355,0.0175156],"study_design_scores_gemma":[0.0000632895,0.03139237,0.1401958,0.00002795289,0.00008520555,0.0002466593,0.0005755142,0.01006235,0.8160014,0.00006546645,0.001244245,0.0000396438],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9985278,0.0000201642,0.001212081,0.000007307617,0.000002329442,0.00004889098,0.00004443181,0.00001278303,0.00012415],"genre_scores_gemma":[0.9962553,0.00003657901,0.00302037,0.000007869487,0.000001107736,0.00002759539,0.000122371,0.000008787146,0.0005200461],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001729323,"threshold_uncertainty_score":0.006460905,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0647867984257395,"score_gpt":0.2817885907813478,"score_spread":0.2170017923556083,"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."}}