{"id":"W4233738247","doi":"10.2172/811815","title":"OPTIMIZATION OF MUD HAMMER DRILLING PERFORMANCE - A PROGRAM TO BENCHMARK THE VIABILITY OF ADVANCED MUD HAMMER DRILLING","year":2003,"lang":"en","type":"report","venue":"","topic":"Urban and Rural Development Challenges","field":"Social Sciences","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Hammer; Drilling; Benchmarking; Engineering; Benchmark (surveying); Quarter (Canadian coin); Management; Mechanical engineering; Archaeology; Geology","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.0018649,0.0007989035,0.0005313323,0.000710471,0.0003504857,0.0009613865,0.0005774306,0.0005503417,0.001143413],"category_scores_gemma":[0.002070198,0.000236525,0.0003447411,0.0007169313,0.0002631911,0.0006421647,0.0006035083,0.0003933119,0.0002884197],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001132286,"about_ca_system_score_gemma":0.001055622,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005518787,"about_ca_topic_score_gemma":0.006335424,"domain_scores_codex":[0.9993336,0.0001806924,0.00003032301,0.0001046757,0.0002403798,0.0001103094],"domain_scores_gemma":[0.9988524,0.0003489593,0.0001545178,0.0001640194,0.0003958385,0.00008424793],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"not_applicable","study_design_scores_codex":[0.001896757,0.001448783,0.02206995,0.0002147772,0.00008759042,0.0001160265,0.0001117587,0.8304095,0.0317119,0.001269371,0.002564374,0.1080993],"study_design_scores_gemma":[0.0003716736,0.01025295,0.03462438,0.00003325143,0.0000854454,0.00007232664,0.0002586453,0.8528,0.095357,0.0009814865,0.005090812,0.00007203079],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"other","genre_scores_codex":[0.9698485,0.0001124966,0.01710006,0.00007663253,0.00001431517,0.0004004279,0.001131214,0.0008443656,0.01047194],"genre_scores_gemma":[0.9807539,0.00004976308,0.01606045,0.00001698795,0.000002323152,0.0001634375,0.001069903,0.00004416987,0.00183892],"genre_candidate":"other","genre_consensus":null,"teacher_disagreement_score":0.005518787,"threshold_uncertainty_score":0.01097333,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04836187654090666,"score_gpt":0.3276238971352237,"score_spread":0.279262020594317,"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."}}