{"id":"W2075262240","doi":"10.2118/98279-pa","title":"Pressure Prediction and Drilling Challenges in a Deepwater Subsalt Well from Offshore Nova Scotia, Canada","year":2007,"lang":"en","type":"article","venue":"SPE Drilling & Completion","topic":"Drilling and Well Engineering","field":"Engineering","cited_by":8,"is_retracted":false,"has_abstract":true,"ca_institutions":"Nexen (Canada); Encana (Canada)","funders":"","keywords":"Casing; Drilling; Petroleum engineering; Borehole; Completion (oil and gas wells); Offshore drilling; Submarine pipeline; Nova scotia; Geology; Pore water pressure; Drilling fluid; Measurement while drilling; Engineering; Geotechnical engineering; Mechanical engineering; Oceanography","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.0002258836,0.0003504053,0.0001973466,0.0009413007,0.002060555,0.001230062,0.0006359275,0.0005475174,0.0009304454],"category_scores_gemma":[0.0008204014,0.0002413656,0.0001788541,0.001217569,0.0006268256,0.0003348052,0.0005610272,0.0005409773,0.0001456183],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.01252705,"about_ca_system_score_gemma":0.0139344,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9751339,"about_ca_topic_score_gemma":0.991194,"domain_scores_codex":[0.9996518,0.0000121189,0.00001579445,0.00003978084,0.0001797587,0.0001007561],"domain_scores_gemma":[0.9992101,0.0001082663,0.00007268215,0.00002365373,0.0004403153,0.0001448721],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003301204,0.0002830453,0.846618,0.0001438047,0.00005536931,0.01918536,0.005070516,0.05466507,0.01600888,0.0009341434,0.005316638,0.05138893],"study_design_scores_gemma":[0.00003069335,0.0002054532,0.8595867,0.0001132478,0.00004479552,0.001467703,0.03003157,0.08725335,0.007241493,0.0004620159,0.01343226,0.0001306836],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9949944,0.0000883943,0.0004883062,0.0003021518,0.000009651473,0.00003906395,0.0005313393,0.00004157685,0.003505255],"genre_scores_gemma":[0.9957106,0.0001555581,0.0008569349,0.0000463751,0.000002429967,0.000006583318,0.0003366149,0.000008638272,0.002876354],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0248661,"threshold_uncertainty_score":0.09089053,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0163156871657353,"score_gpt":0.1889371219334379,"score_spread":0.1726214347677026,"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."}}