DOE/BC/20006-18. TRACRL-Single-Well Chemical Tracer Test Simulator. A deliverable as part of "The Single-Well Chemical Tracer Method for Measuring Residual Oil Saturation- Final Report". Bartlesville Energy Technical Center (BETC), predecessor to National Institute for Petroleum and Energy Research (NIPER). October 1980. 190 pp. FORTRAN source code and sample input datasets for both PC and Apple environments. Executable program for the PC.