A computer-implemented method for determining drilling mud particle size for a plurality of drilling mud samples from a used drilling mud from a wellbore prior to returning cleaned drilling mud downhole into the wellbore, the computer-implemented method using an administrative processor in electronic communication with an administrative data storage, wherein the administrative data storage comprises computer instructions that cause the administrative processor to perform the steps: a. acquire data from a particle size analyzer, wherein the particle size analyzer measures sequentially a plurality of drilling mud samples taken from the used drilling mud from the wellbore; b. plot at least one particle size distribution curve for each of the plurality of drilling mud samples, wherein the at least one particle size distribution curve comprises a percent passing curve and a volume distribution curve by plotting a particle diameter in each of the plurality of drilling mud samples against a passing rate percentage for particle sizes in the drilling mud sample, and against a volume percentage, respectively; characterized by the steps: c. create a graphical particle size log comprising data from the particle size distribution curve and a true vertical depth and a measured depth of the wellbore, wherein the true vertical depth and the measured depth are obtained from a measurement while drilling processor in electronic communication with the administrative processor, wherein the measurement while drilling processor receives and computes measurement while drilling data from the wellbore as a drill bit drills the wellbore; d. display the size distribution of particle sizes against true vertical depths and measured depths simultaneously on the graphical particle size log; e. present rig information and drilling fluid properties on the graphical particle size log with the particle size distribution against depth (26, 28) enabling simultaneous viewing of well fluid data by depth (26, 28) and drilling mud sample; f. present a user interface for solids control equipment enabling information from solids control equipment connected to the wellbore to be inputted and viewed, and displaying in real time particle size versus percentile; g. allow a user to select a size of undesirable particulates using the presented user interface; and h. allow a user to adjust at least one particulate removal device (21, 37) to remove the user-defined size of undesirable particulates and create cleaned drilling mud for use in the wellbore. a. acquire data from a particle size analyzer, wherein the particle size analyzer measures sequentially a plurality of drilling mud samples taken from the used drilling mud from the wellbore; b. plot at least one particle size distribution curve for each of the plurality of drilling mud samples, wherein the at least one particle size distribution curve comprises a percent passing curve and a volume distribution curve by plotting a particle diameter in each of the plurality of drilling mud samples against a passing rate percentage for particle sizes in the drilling mud sample, and against a volume percentage, respectively; c. create a graphical particle size log comprising data from the particle size distribution curve and a true vertical depth and a measured depth of the wellbore, wherein the true vertical depth and the measured depth are obtained from a measurement while drilling processor in electronic communication with the administrative processor, wherein the measurement while drilling processor receives and computes measurement while drilling data from the wellbore as a drill bit drills the wellbore; d. display the size distribution of particle sizes against true vertical depths and measured depths simultaneously on the graphical particle size log; e. present rig information and drilling fluid properties on the graphical particle size log with the particle size distribution against depth (26, 28) enabling simultaneous viewing of well fluid data by depth (26, 28) and drilling mud sample; f. present a user interface for solids control equipment enabling information from solids control equipment connected to the wellbore to be inputted and viewed, and displaying in real time particle size versus percentile; g. allow a user to select a size of undesirable particulates using the presented user interface; and h. allow a user to adjust at least one particulate removal device (21, 37) to remove the user-defined size of undesirable particulates and create cleaned drilling mud for use in the wellbore.