analytical reservoir analysis choke adjustment event compose document specification contract processing operation coordinate transformation activity curve fit activity digitize document directional survey analysis document circulation equipment calibration equipment repair job flow system analysis geoscience interpretation incident investigation incident of noncompliance lift system analysis log trace analysis materials balance analysis materials characterization materials processing other activity positioning measurement activity process application for permit production activity render document reserves category change reserves evaluation reservoir simulation reservoir simulation preprocessing reservoir simulation postprocessing reservoir simulation time step sample acquisition seismic acquisition activity seismic processing activity surface geologic survey valve close event valve open event well activity well completion activity well pattern analysis well test analysis well test measurement wellbore activity activity