{"id":"W2089357142","doi":"10.2118/98787-ms","title":"Managed-Pressure Drilling (MPD) Field Trials Demonstrate Technology Value","year":2006,"lang":"en","type":"article","venue":"","topic":"Drilling and Well Engineering","field":"Engineering","cited_by":23,"is_retracted":false,"has_abstract":true,"ca_institutions":"Canadian Natural Resources","funders":"","keywords":"Drilling; Casing; Rate of penetration; Petroleum engineering; Drilling fluid; Well control; Drill pipe; Borehole; Computer science; Engineering; Geology; 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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003649246,0.0001955344,0.0003496689,0.0002219253,0.00005523108,0.00004756839,0.0001762104,0.0002261734,0.00009244173],"category_scores_gemma":[0.00006552506,0.0001825059,0.00009758981,0.0002871742,0.00001655428,0.00007866476,0.00002299966,0.0002495907,0.00006692273],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001334719,"about_ca_system_score_gemma":0.000005167153,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00004689471,"about_ca_topic_score_gemma":0.00001018134,"domain_scores_codex":[0.9989502,0.00001832283,0.0003984711,0.0001829862,0.0001046236,0.0003454192],"domain_scores_gemma":[0.9994828,0.0001689449,0.00002761863,0.0002616772,0.00001758658,0.00004134678],"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":[0.000002026869,0.000006764206,0.0003058793,0.00006435741,0.00006908035,0.00001246631,0.000007030624,0.9653073,0.006834173,0.0127134,0.003196995,0.01148056],"study_design_scores_gemma":[0.0004419436,0.00002734509,0.00009467842,0.00008033551,0.00009472233,0.00001861857,0.00004159762,0.7502268,0.1728062,0.007028983,0.06864531,0.0004935042],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.04550402,0.003535403,0.8120222,0.000396941,0.001238907,0.0002690979,0.000006318309,0.004481249,0.1325459],"genre_scores_gemma":[0.9905674,0.00009953792,0.007573317,0.00002831155,0.0002832918,0.0000148982,0.000004518367,0.0000448878,0.001383766],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.9450635,"threshold_uncertainty_score":0.7442374,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007263231718841064,"score_gpt":0.2058006805257199,"score_spread":0.1985374488068788,"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."}}