{"artifact_id":"L1-459","layer":"L1","title":"Compositional Reservoir Simulation","domain":"Petroleum Engineering","sub_domain":"EOS-based simulation","physics_fingerprint":{"L_DAG":4.5,"title":"Compositional Reservoir Simulation","domain":"Petroleum Engineering","carrier":"acoustic","primitives":["N.pointwise","S.flash.rachford_rice","O.material_balance.compositional"],"sub_domain":"EOS-based simulation","noise_model":"measurement_gaussian","problem_class":"parameter_estimation","solution_space":"3D_composition_pressure","difficulty_delta":5,"integration_axis":"3d_compositional","sensing_mechanism":"compositional_eos_flow"},"observable_profile":{"metric":"GOR_prediction_RMSE_percent","regime":"Existence of the recovered 3D_composition_pressure is guaranteed within the declared Omega bounds. Uniqueness holds on the measurement-supported subspace; out-of-support modes are controlled by declared priors. Stability is conditionally stable (kappa_eff ~= 5000); EOS_tuning_uncertainty dominates the stability cliff; the remaining mismatch parameters contribute higher-order bias terms. Measurement gaussian sets the irreducible data-fidelity floor.","secondary":"dew_point_pressure_error_psi"},"size_tiers":{"center_spec":{"omega":{"N_cells":5000,"GOR_scf_stb":1000,"N_components":6,"reservoir_pressure_psi":5000},"input_format":"measurement_only","problem_class":"parameter_estimation","forward_operator":"compositional_eos_flow","epsilon_fn_center":"10 GOR_prediction_RMSE_percent"},"omega_bounds":{"N_cells":[100,100000],"GOR_scf_stb":[100,100000],"N_components":[2,20],"reservoir_pressure_psi":[500,15000]},"epsilon_bounds":{"GOR_prediction_RMSE_percent":[2,50]},"allowed_problem_classes":["parameter_estimation"],"allowed_omega_dimensions":["N_cells","N_components","reservoir_pressure_psi","GOR_scf_stb"],"allowed_forward_operators":["compositional_eos_flow"]},"hardness_fn":{"type":"epsilon_fn","delta":5,"kappa":1000000.0,"metric":"GOR_prediction_RMSE_percent"},"initiator_dataset":[{"name":"primary","weight":1.0,"ipfs_cid":null,"license_hash":null}],"status":"testnet","staked_pwm":0.0,"chain_hash":"0x7c7a6c2b230eb5a08a88ad03ecdbd0879fcf36f3644e44abffa1964814dc9300","chain_tx_hash":"0xbf6fee84fbb5f60f894e27831bebdf564c6ea7e0ece0931e965d45b0721588f4","chain_block":41555279}