<PAGE>
                                                                    EXHIBIT 11.1

                            W-H Energy Services, Inc.

              Statement Regarding Computation of Earnings Per Share

The following reflects the information used in calculating the number of shares
in the computation of net income per share for each of the periods set forth in
the Consolidated Statements of Operations and Comprehensive Income.


<Table>
<Caption>
                                                                                            AVERAGE
                                                     DAYS                                    SHARES                        INCOME
                                      SHARES      OUTSTANDING        SHARES X DAYS         OUTSTANDING        INCOME      PER SHARE
<S>                                  <C>          <C>               <C>                   <C>                <C>         <C>

BASIC:

Three months ended June 30, 2002     25,917,564             1          25,917,564
                                     25,925,194             1          25,925,194
                                     25,925,606             1          25,925,606
                                     25,928,844             1          25,928,844
                                     25,930,144             1          25,930,144
                                     25,932,344             3          77,797,032
                                     25,935,344             9         233,418,096
                                     25,936,344             1          25,936,344
                                     25,938,094             6         155,628,564
                                     25,938,519             1          25,938,519
                                     25,943,019             1          25,943,019
                                     26,051,884             3          78,155,652
                                     26,060,340             1          26,060,340
                                     26,063,052             2          52,126,104
                                     26,064,427             6         156,386,562
                                     26,065,727             5         130,328,635
                                     26,066,227             3          78,198,681
                                     26,066,977             1          26,066,977
                                     26,114,491             4         104,457,964
                                     26,115,816             8         208,926,528
                                     26,119,941             2          52,239,882
                                     26,121,179            12         313,454,148
                                     26,121,329             5         130,606,645
                                     26,121,929             1          26,121,929
                                     26,142,197             6         156,853,182
                                     26,143,847             6         156,863,082

                                                           91       2,371,135,237  /91     26,056,431       4,005,000        0.15

Three months ended June 30, 2003     27,064,466             1          27,064,466
                                     27,120,649             6         162,723,894
                                     27,121,899            17         461,072,283
                                     27,126,536             1          27,126,536
                                     27,127,774             6         162,766,644
                                     27,129,686             1          27,129,686
                                     27,131,481             4         108,525,924
                                     27,131,894             2          54,263,788
                                     27,132,926             1          27,132,926
                                     27,138,927             4         108,555,708
                                     27,139,257             1          27,139,257
                                     27,140,907             6         162,845,442
                                     27,146,407             1          27,146,407
                                     27,146,907             6         162,881,442
                                     27,147,319             1          27,147,319
                                     27,149,319             2          54,298,638
                                     27,150,019             3          81,450,057
                                     27,151,176             1          27,151,176
                                     27,152,826             8         217,222,608
                                     27,157,826             7         190,104,782
                                     27,159,064            12         325,908,768

                                                           91       2,469,657,751  /91     27,139,096       5,760,000        0.21

Six months ended June 30, 2002       25,772,626             2          51,545,252
                                     25,775,051             5         128,875,255
                                     25,778,351             2          51,556,702
                                     25,780,851             6         154,685,106
                                     25,809,649            16         412,954,384
                                     25,811,886             5         129,059,430
                                     25,813,536            10         258,135,360
                                     25,814,536             7         180,701,752
                                     25,814,949             3          77,444,847
                                     25,828,354             3          77,485,062
                                     25,832,169             1          25,832,169
</Table>


<PAGE>

<Table>
<S>                                  <C>          <C>               <C>                   <C>                <C>         <C>

                                     25,851,969             4         103,407,876
                                     25,852,969             1          25,852,969
                                     25,855,032             1          25,855,032
                                     25,857,713             4         103,430,852
                                     25,858,163             2          51,716,326
                                     25,887,670             5         129,438,350
                                     25,891,164             1          25,891,164
                                     25,892,814             7         181,249,698
                                     25,917,564             6         155,505,384
                                     25,925,194             1          25,925,194
                                     25,925,606             1          25,925,606
                                     25,928,844             1          25,928,844
                                     25,930,144             1          25,930,144
                                     25,932,344             3          77,797,032
                                     25,935,344             9         233,418,096
                                     25,936,344             1          25,936,344
                                     25,938,094             6         155,628,564
                                     25,938,519             1          25,938,519
                                     25,943,019             1          25,943,019
                                     26,051,884             3          78,155,652
                                     26,060,340             1          26,060,340
                                     26,063,052             2          52,126,104
                                     26,064,427             6         156,386,562
                                     26,065,727             5         130,328,635
                                     26,066,227             3          78,198,681
                                     26,066,977             1          26,066,977
                                     26,114,491             4         104,457,964
                                     26,115,816             8         208,926,528
                                     26,119,941             2          52,239,882
                                     26,121,179            12         313,454,148
                                     26,121,329             5         130,606,645
                                     26,121,929             1          26,121,929
                                     26,142,197             6         156,853,182
                                     26,143,847             6         156,863,082

                                                          181       4,695,840,643  /181    25,943,871       9,467,000        0.36

Six months ended June 30, 2003       27,015,847             3          81,047,541
                                     27,020,847             7         189,145,929
                                     27,028,247             3          81,084,741
                                     27,032,647             1          27,032,647
                                     27,035,647            14         378,499,058
                                     27,038,947             3          81,116,841
                                     27,039,788            14         378,557,032
                                     27,041,438             7         189,290,066
                                     27,045,422             5         135,227,110
                                     27,046,522            14         378,651,308
                                     27,048,522             5         135,242,610
                                     27,064,466            15         405,966,990
                                     27,120,649             6         162,723,894
                                     27,121,899            17         461,072,283
                                     27,126,536             1          27,126,536
                                     27,127,774             6         162,766,644
                                     27,129,686             1          27,129,686
                                     27,131,481             4         108,525,924
                                     27,131,894             2          54,263,788
                                     27,132,926             1          27,132,926
                                     27,138,927             4         108,555,708
                                     27,139,257             1          27,139,257
                                     27,140,907             6         162,845,442
                                     27,146,407             1          27,146,407
                                     27,146,907             6         162,881,442
                                     27,147,319             1          27,147,319
                                     27,149,319             2          54,298,638
                                     27,150,019             3          81,450,057
                                     27,151,176             1          27,151,176
                                     27,152,826             8         217,222,608
                                     27,157,826             7         190,104,782
                                     27,159,064            12         325,908,768

                                                          181       4,903,455,158  /181    27,090,912      11,628,000        0.43

DILUTED:

Three months ended June 30, 2002     27,481,064             1          27,481,064
                                     27,488,694             1          27,488,694
                                     27,489,106             1          27,489,106
                                     27,492,344             1          27,492,344
                                     27,493,644             1          27,493,644
                                     27,495,844             3          82,487,533
</Table>


<PAGE>

<Table>
<S>                                  <C>          <C>               <C>                   <C>                <C>         <C>

                                     27,498,844             9         247,489,600
                                     27,499,844             1          27,499,844
                                     27,501,594             6         165,009,566
                                     27,502,019             1          27,502,019
                                     27,506,519             1          27,506,519
                                     27,615,384             3          82,846,153
                                     27,623,840             1          27,623,840
                                     27,626,552             2          55,253,105
                                     27,627,927             6         165,767,564
                                     27,629,227             5         138,146,137
                                     27,629,727             3          82,889,182
                                     27,630,477             1          27,630,477
                                     27,677,991             4         110,711,966
                                     27,679,316             8         221,434,531
                                     27,683,441             2          55,366,883
                                     27,684,679            12         332,216,153
                                     27,684,829             5         138,424,147
                                     27,685,429             1          27,685,429
                                     27,705,697             6         166,234,184
                                     27,707,347             6         166,244,084

                                                           91       2,513,413,775  /91     27,619,932       4,005,000        0.15

Three Months ended June 30, 2003     28,009,457             1          28,009,457
                                     28,065,640             6         168,393,840
                                     28,066,890            17         477,137,130
                                     28,071,527             1          28,071,527
                                     28,072,765             6         168,436,590
                                     28,074,677             1          28,074,677
                                     28,076,472             4         112,305,888
                                     28,076,885             2          56,153,770
                                     28,077,917             1          28,077,917
                                     28,083,918             4         112,335,672
                                     28,084,248             1          28,084,248
                                     28,085,898             6         168,515,388
                                     28,091,398             1          28,091,398
                                     28,091,898             6         168,551,388
                                     28,092,310             1          28,092,310
                                     28,094,310             2          56,188,620
                                     28,095,010             3          84,285,030
                                     28,096,167             1          28,096,167
                                     28,097,817             8         224,782,536
                                     28,102,817             7         196,719,719
                                     28,104,055            12         337,248,660

                                                           91       2,555,651,932  /91     28,084,087       5,760,000        0.21

Six months ended June 30, 2002       27,290,533             2          54,581,066
                                     27,292,958             5         136,464,790
                                     27,296,258             2          54,592,516
                                     27,298,758             6         163,792,548
                                     27,327,556            16         437,240,896
                                     27,329,793             5         136,648,965
                                     27,331,443            10         273,314,430
                                     27,332,443             7         191,327,101
                                     27,332,856             3          81,998,568
                                     27,346,261             3          82,038,783
                                     27,350,076             1          27,350,076
                                     27,369,876             4         109,479,504
                                     27,370,876             1          27,370,876
                                     27,372,939             1          27,372,939
                                     27,375,620             4         109,502,480
                                     27,376,070             2          54,752,140
                                     27,405,577             5         137,027,885
                                     27,409,071             1          27,409,071
                                     27,410,721             7         191,875,047
                                     27,435,471             6         164,612,826
                                     27,443,101             1          27,443,101
                                     27,443,513             1          27,443,513
                                     27,446,751             1          27,446,751
                                     27,448,051             1          27,448,051
                                     27,450,251             3          82,350,753
                                     27,453,251             9         247,079,259
                                     27,454,251             1          27,454,251
                                     27,456,001             6         164,736,006
                                     27,456,426             1          27,456,426
                                     27,460,926             1          27,460,926
                                     27,569,791             3          82,709,373
                                     27,578,247             1          27,578,247
                                     27,580,959             2          55,161,918
</Table>


<PAGE>

<Table>
<S>                                  <C>          <C>               <C>                   <C>                <C>         <C>

                                     27,582,334             6         165,494,004
                                     27,583,634             5         137,918,170
                                     27,584,134             3          82,752,402
                                     27,584,884             1          27,584,884
                                     27,632,398             4         110,529,592
                                     27,633,723             8         221,069,784
                                     27,637,848             2          55,275,696
                                     27,639,086            12         331,669,032
                                     27,639,236             5         138,196,180
                                     27,639,836             1          27,639,836
                                     27,660,104             6         165,960,624
                                     27,661,754             6         165,970,524

                                                          181       4,970,581,817  /181    27,461,778       9,467,000        0.34

Six Months ended June 30, 2003       27,895,130             3          83,685,390
                                     27,900,130             7         195,300,910
                                     27,907,530             3          83,722,590
                                     27,911,930             1          27,911,930
                                     27,914,930            14         390,809,020
                                     27,918,230             3          83,754,690
                                     27,919,071            14         390,866,994
                                     27,920,721             7         195,445,047
                                     27,924,705             5         139,623,525
                                     27,925,805            14         390,961,270
                                     27,927,805             5         139,639,025
                                     27,943,749            15         419,156,235
                                     27,999,932             6         167,999,592
                                     28,001,182            17         476,020,094
                                     28,005,819             1          28,005,819
                                     28,007,057             6         168,042,342
                                     28,008,969             1          28,008,969
                                     28,010,764             4         112,043,056
                                     28,011,177             2          56,022,354
                                     28,012,209             1          28,012,209
                                     28,018,210             4         112,072,840
                                     28,018,540             1          28,018,540
                                     28,020,190             6         168,121,140
                                     28,025,690             1          28,025,690
                                     28,026,190             6         168,157,140
                                     28,026,602             1          28,026,602
                                     28,028,602             2          56,057,204
                                     28,029,302             3          84,087,906
                                     28,030,459             1          28,030,459
                                     28,032,109             8         224,256,872
                                     28,037,109             7         196,259,763
                                     28,038,347            12         336,460,164

                                                          181       5,062,605,381  /181    27,970,195      11,628,000        0.42
</Table>