{"id":"W2094219096","doi":"10.1016/j.marpetgeo.2008.01.008","title":"Volcanic rocks as prolific gas reservoir: A case study from the Qingshen gas field in the Songliao Basin, NE China","year":2008,"lang":"en","type":"article","venue":"Marine and Petroleum Geology","topic":"Hydrocarbon exploration and reservoir analysis","field":"Engineering","cited_by":150,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"PetroChina Company Limited; University of Regina","keywords":"Geology; Cretaceous; Natural gas field; Rhyolite; Natural gas; Volcanic rock; Volcano; Source rock; Geochemistry; Conglomerate; Tight gas; Structural basin; Paleontology; Petrology; Hydraulic fracturing","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002435538,0.0002496658,0.0002209716,0.001366433,0.001234644,0.0006995308,0.0006095437,0.000586145,0.0008022721],"category_scores_gemma":[0.0005620694,0.0001922572,0.0002123651,0.001924904,0.0007172177,0.000558096,0.0005866714,0.0001788826,0.00004851366],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001358209,"about_ca_system_score_gemma":0.001216664,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.138027,"about_ca_topic_score_gemma":0.316055,"domain_scores_codex":[0.9998578,0.00003178463,0.000009003026,0.00002037453,0.00002824077,0.00005275325],"domain_scores_gemma":[0.9997074,0.00009478496,0.00006229301,0.0000207068,0.0000403661,0.00007432963],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001591483,0.0001478898,0.9422668,0.0001071265,0.00009793109,0.02525193,0.007667407,0.004063362,0.004977685,0.001230833,0.0003815457,0.01364832],"study_design_scores_gemma":[0.00002635395,0.0001782742,0.923116,0.00004986014,0.0001524026,0.005335486,0.04767523,0.01716214,0.002572525,0.0004976703,0.003194878,0.00003907071],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.999384,0.00005035758,0.00006303455,0.00002109316,5.557387e-7,0.000005991301,0.00004409907,0.000002154161,0.0004286133],"genre_scores_gemma":[0.9995694,0.00006156446,0.0001011306,0.000003799061,8.759459e-7,0.000001509065,0.00004456643,8.233915e-7,0.0002164093],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.138027,"threshold_uncertainty_score":0.2744471,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01106730518325608,"score_gpt":0.2177714977106648,"score_spread":0.2067041925274088,"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."}}