Portable oil well walking beam pump jack
FIG. 1 is a right side elevational view of the portable oil well walking beam pump jack which incorporates my new design, disposed in a folded position; 
     FIG. 2 is a right side elevational view thereof which incorporates my new design, disposed in a raised position; 
     FIG. 3 is a left side elevational view thereof illustrated in FIG. 2; 
     FIG. 4 is a rear elevational view thereof illustrated in FIG. 2; 
     FIG. 5 is a front elevational view thereof illustrated in FIG. 2; 
     FIG. 6 is a top plan view thereof shown in FIG. 2; and 
     FIG. 7 is a bottom plan view thereof illustrated in FIG. 2.