{"id":"W4390033901","doi":"10.12789/geocanj.2023.50.203","title":"The Implications of Ontario’s Historical Oil and Gas Drilling and Abandonment Practices for Abandoning Orphan and Legacy Wells","year":2023,"lang":"en","type":"article","venue":"Geoscience Canada","topic":"Drilling and Well Engineering","field":"Engineering","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Natural Resources Canada; Government of Canada","keywords":"Drilling; Natural gas; Water well; Fossil fuel; Wellhead; Geology; Well drilling; Petroleum; Petroleum engineering; Groundwater; Mining engineering; Geochemistry; Engineering; Waste management; Geotechnical engineering; Paleontology","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":true,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002396378,0.00007552547,0.00009156218,0.00003278278,0.0002180196,0.00006379234,0.00007046021,0.00001808803,6.23549e-7],"category_scores_gemma":[0.00008459116,0.00006245875,0.000009321113,0.0001199567,0.0000385389,0.0001222649,0.00002453596,0.00006408066,8.054242e-8],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002535716,"about_ca_system_score_gemma":0.0001532531,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.5388543,"about_ca_topic_score_gemma":0.7155482,"domain_scores_codex":[0.999411,0.000003568656,0.0001282552,0.0001400558,0.0001013787,0.0002157616],"domain_scores_gemma":[0.9994807,0.0002747538,0.00004713163,0.00009584529,0.00001780294,0.00008373013],"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":[0.00004358933,0.0000277724,0.07330278,0.001173069,0.0001852785,0.00002069444,0.01197737,0.2478832,0.03018931,0.00518148,0.01351863,0.6164969],"study_design_scores_gemma":[0.0004568105,0.00004296485,0.03508447,0.00008084081,0.00003863516,0.00003066736,0.000322585,0.1822757,0.0009189982,0.000243989,0.7801765,0.0003277928],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9942231,0.001469798,0.002299001,0.001109923,0.0004402087,0.00006552717,0.00000766872,0.00005077873,0.0003339616],"genre_scores_gemma":[0.99678,0.001168307,0.000617807,0.00001986165,0.00003320806,0.00002612621,0.000001902959,0.0000108899,0.00134193],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.7666579,"threshold_uncertainty_score":0.4642165,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01244584031334859,"score_gpt":0.2030026006150362,"score_spread":0.1905567603016877,"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."}}