Log Data Acquisition and Quality Control

algorithm annual logging symposium assumed barite borehole cable calibration caliper characteristics computed core corresponds counting rates Courtesy of Schlumberger Courtesy of SPWLA curves data frames density logs density tool depth matching depth of investigation derived detection detector diameter downhole drilling effect enhanced resolution environment environmental corrections example filtering filtrate formation evaluation ft/h function g/cm³ geometrical factor Halliburton Logging Services high-resolution hole input instance invasion laterolog Log quality control logging company logging data logging speed logging tool logging while drilling long-spacing measurement mmho/m mudcake natural gamma ray nuclear tools oil-base mud parameters performed petrophysical photoelectric effect pressure pseudo-geometric factor random error readings reservoir sampling rate saturation seismic sensors short-spacing signal sonde error standard deviation surface systematic error Table tape temperature thermal neutron thermal neutron porosity tool response Trans uncertainty vertical resolution volume wellsite Western Atlas zone მყ