{"id":"W4296848732","doi":"10.3390/min12101188","title":"Unconventional Gas Geochemistry—An Emerging Concept after 20 Years of Shale Gas Development?","year":2022,"lang":"en","type":"article","venue":"Minerals","topic":"Hydrocarbon exploration and reservoir analysis","field":"Engineering","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"Geological Survey of Canada; Natural Resources Canada","funders":"Natural Resources Canada","keywords":"Kerogen; Natural gas; Oil shale; Isotopes of carbon; Shale gas; Source rock; Geochemistry; Cracking; Stable isotope ratio; Geology; Chemistry; Environmental chemistry; Paleontology; Total organic carbon","routes":{"ca_aff":true,"ca_fund":true,"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":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.00010514,0.00008648117,0.0001393276,0.00008066068,0.00004521745,0.00001175453,0.0001239107,0.00002480787,0.006372946],"category_scores_gemma":[0.000006707748,0.000101543,0.00007335405,0.0002010895,0.00001947912,0.00007746495,0.00004940857,0.00009286977,0.00001672023],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004650553,"about_ca_system_score_gemma":0.0000270029,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001451336,"about_ca_topic_score_gemma":0.00002508562,"domain_scores_codex":[0.9992086,0.00002418117,0.0002431447,0.0001275875,0.0002499385,0.0001465528],"domain_scores_gemma":[0.9997299,0.000009031336,0.00003140082,0.0001416971,0.00002502884,0.00006295899],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00003585378,0.0002108464,0.002148138,0.0001096731,0.0005468001,0.0000890998,0.007001812,0.4723862,0.4898598,0.00008691743,0.02224294,0.005281827],"study_design_scores_gemma":[0.002096251,0.00008879798,0.001198782,0.00005537511,0.0001375626,0.00002888721,0.003015533,0.3129498,0.3027262,0.0005806001,0.3758189,0.001303362],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9966388,0.000305616,0.0002547305,0.0000871602,0.00009977199,0.00004375099,0.00002728254,0.00006410572,0.002478814],"genre_scores_gemma":[0.9956866,0.000007444248,0.0004530915,0.00004163922,0.00005732464,0.00006401059,0.0002626653,0.0000171919,0.003410032],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3535759,"threshold_uncertainty_score":0.9945354,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01293987293921907,"score_gpt":0.2293573526009708,"score_spread":0.2164174796617517,"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."}}