KEY ENERGY GROUP, INC.                                            
COMPUTATION OF PER SHARE EARNINGS                          EXHIBIT 11(a)      
THREE MONTHS ENDED NOVEMBER 30, 1997 AND 1996                           
                                                                               
                                  Three Months Ended         Three Months Ended
                                   November 30, 1997          November 30, 1996
                                ----------------------     ---------------------
(Thousands, except per share                    Fully-                  Fully- 
 amounts)                       Primary        Diluted     Primary     Diluted 
                                                                               
Net Income and Adjusted 
  Earnings:  
                                                                                
Net Income before income taxes
 and minority interest          $7,831          $7,831     $2,396       $2,396
Effect of interest on debentures     -             219          -          975
                               -----------------------      --------------------
Adjusted net income before 
 income taxes                                                                  
 and minority interest          $7,831          $8,050     $2,396        $3,371
                                ======================      ===================

 
Net Income                      $4,938          $4,938     $1,554        $1,554

Effect of interest on convertible                                 
 debentures, net of tax effect       -             138          -           649
                                ----------------------      -------------------
Adjusted net income             $4,938          $5,076     $1,554        $2,203
                                                                              
Weighted Average Shares and Share Equivalents Outstanding:
                                   
Weighted average shares
 outstanding (as reported)      14,126          14,126     10,425        10,425
                                                            
Common Share equivalents 
     issuable under                              
     stock option plans          1,453           1,682        347           373
Common share equivalents 
     issuable on assumed                                      
     conversion of WellTech
     warrants                      86               94        122           150
Common share equivalents 
     issuable on assumed                                                       
     conversion of 
     convertible debentures         -            4,259          -         5,333
Common share equivalents 
     issuable on assumed                                             
     conversion of CIT warrants     -               -           -           693
                                                                            
Weighted average shares and share                                       
     equivalents outstanding   15,665           20,161     10,894        16,974
                                                                
Earnings per Share:                                
                                                                     
Net income before income taxes                                          
     and minority interest      $0.50           $0.40       $0.22         $0.20
Net income                      $0.32           $0.25       $0.14         $0.13