{"id":"W2066334268","doi":"10.2118/161875-ms","title":"A Complete Petrophysical Evaluation Method for Tight Formations from Only Drill Cuttings in the Absence of Well Logs","year":2012,"lang":"en","type":"article","venue":"SPE Canadian Unconventional Resources Conference","topic":"Hydrocarbon exploration and reservoir analysis","field":"Engineering","cited_by":9,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Calgary","funders":"Alberta Innovates; University of Calgary","keywords":"Petrophysics; Geology; Tight gas; Formation evaluation; Permeability (electromagnetism); Petroleum engineering; Drill cuttings; Capillary pressure; Saturation (graph theory); Water saturation; Well logging; Porosity; Geotechnical engineering; Mineralogy; Porous medium; Drilling; Engineering; Mathematics; Hydraulic fracturing; Chemistry","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0009758901,0.0006899685,0.0005817117,0.004116612,0.0002655481,0.001251136,0.0004688547,0.0003319103,0.002662599],"category_scores_gemma":[0.002419256,0.0003781529,0.0004874766,0.001677742,0.0003580649,0.0008259573,0.0009676813,0.0003888215,0.0008195747],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003356559,"about_ca_system_score_gemma":0.0008739958,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003116952,"about_ca_topic_score_gemma":0.006592716,"domain_scores_codex":[0.9993508,0.00008057209,0.00006589996,0.00009905396,0.0003463345,0.00005727044],"domain_scores_gemma":[0.9986011,0.0003325475,0.0001644359,0.0001597074,0.0006833088,0.00005885506],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0002210141,0.0001051091,0.02532855,0.0004530934,0.00008672662,0.0005487265,0.0004791114,0.0439733,0.1126925,0.004667118,0.001515472,0.8099291],"study_design_scores_gemma":[0.00003043116,0.0002300869,0.05907327,0.0001340659,0.0001011219,0.0009591702,0.0008116728,0.8368176,0.07843636,0.007855446,0.01541485,0.000135939],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.06453381,0.0001671921,0.9307776,0.0000308034,0.00001176703,0.0001511582,0.000625414,0.00162924,0.002072959],"genre_scores_gemma":[0.3325305,0.0002147532,0.6632903,0.00001685536,0.00001468348,0.0002055817,0.001634079,0.0002189462,0.001874333],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.004116612,"threshold_uncertainty_score":0.008907259,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03655603290210194,"score_gpt":0.2724823534621587,"score_spread":0.2359263205600568,"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."}}