<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 September 30, 2002     26,181,679            2         52,363,358
                                          26,184,154            6        157,104,924
                                          26,233,654            9        236,102,886
                                          26,336,017           12        316,032,204
                                          26,336,267            9        237,026,403
                                          26,345,144            2         52,690,288
                                          26,624,431            1         26,624,431
                                          26,759,017            6        160,554,102
                                          26,759,254           20        535,185,080
                                          26,764,254            1         26,764,254
                                          26,765,554            4        107,062,216
                                          26,767,554            1         26,767,554
                                          26,769,554            1         26,769,554
                                          26,772,929            6        160,637,574
                                          26,774,404            5        133,872,020
                                          26,849,446            1         26,849,446
                                          26,900,520            6        161,403,120

                                                               92      2,443,809,414  /92       26,563,146     3,487,000      0.13


Three months ended September 30, 2003     27,159,064            2         54,318,128
                                          27,159,476           12        325,913,712
                                          27,161,557            4        108,646,228
                                          27,163,585           17        461,780,945
                                          27,269,233            9        245,423,097
                                          27,270,033            1         27,270,033
                                          27,271,333            1         27,271,333
                                          27,274,183            3         81,822,549
                                          27,274,633           35        954,612,155
                                          27,279,233            1         27,279,233
                                          27,281,089            1         27,281,089
                                          27,283,689            6        163,702,134

                                                               92      2,505,320,636  /92       27,231,746     4,679,000      0.17


Nine months ended September 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
                                          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
</Table>

<PAGE>

<Table>
<S>                                       <C>          <C>             <C>                      <C>             <C>       <C>
                                          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            7        183,006,929
                                          26,181,679            1         26,181,679
                                          26,184,154            6        157,104,924
                                          26,233,654            9        236,102,886
                                          26,336,017           12        316,032,204
                                          26,336,267            9        237,026,403
                                          26,345,144            2         52,690,288
                                          26,624,431            1         26,624,431
                                          26,759,017            6        160,554,102
                                          26,759,254           20        535,185,080
                                          26,764,254            1         26,764,254
                                          26,765,554            4        107,062,216
                                          26,767,554            1         26,767,554
                                          26,769,554            1         26,769,554
                                          26,772,929            6        160,637,574
                                          26,774,404            5        133,872,020
                                          26,849,446            1         26,849,446
                                          26,900,520            6        161,403,120

                                                              273      7,139,612,225  /273      26,152,426    12,954,000      0.50

Nine months ended September 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           14        380,226,896
                                          27,159,476           12        325,913,712
                                          27,161,557            4        108,646,228
                                          27,163,585           17        461,780,945
                                          27,269,233            9        245,423,097
                                          27,270,033            1         27,270,033
                                          27,271,333            1         27,271,333
                                          27,274,183            3         81,822,549
                                          27,274,633           35        954,612,155
                                          27,279,233            1         27,279,233
                                          27,281,089            1         27,281,089
                                          27,283,689            6        163,702,134

                                                              273      7,408,775,794  /273      27,138,373    16,307,000      0.60
</Table>


<PAGE>

<Table>
<S>                                       <C>          <C>             <C>                      <C>             <C>       <C>
DILUTED:

Three months ended September 30, 2002     27,133,816            2         54,267,632
                                          27,136,291            6        162,817,746
                                          27,185,791            9        244,672,120
                                          27,288,154           12        327,457,849
                                          27,288,404            9        245,595,637
                                          27,297,281            2         54,594,562
                                          27,576,568            1         27,576,568
                                          27,711,154            6        166,266,924
                                          27,711,391           20        554,227,821
                                          27,716,391            1         27,716,391
                                          27,717,691            4        110,870,764
                                          27,719,691            1         27,719,691
                                          27,721,691            1         27,721,691
                                          27,725,066            6        166,350,396
                                          27,726,541            5        138,632,705
                                          27,801,583            1         27,801,583
                                          27,852,657            6        167,115,942

                                                               92      2,531,406,025  /92       27,515,283     3,487,000      0.13

Three Months ended September 30, 2003     27,952,708            2         55,905,416
                                          27,953,120           12        335,437,442
                                          27,955,201            4        111,820,805
                                          27,957,229           17        475,272,896
                                          28,062,877            9        252,565,895
                                          28,063,677            1         28,063,677
                                          28,064,977            1         28,064,977
                                          28,067,827            3         84,203,482
                                          28,068,277           35        982,389,701
                                          28,072,877            1         28,072,877
                                          28,074,733            1         28,074,733
                                          28,077,333            6        168,463,999

                                                               92      2,578,335,900  /92       28,025,390     4,679,000      0.17

Nine months ended September 30, 2002      26,816,848            2         53,633,696
                                          26,819,273            5        134,096,364
                                          26,822,573            2         53,645,146
                                          26,825,073            6        160,950,437
                                          26,853,871           16        429,661,933
                                          26,856,108            5        134,280,539
                                          26,857,758           10        268,577,578
                                          26,858,758            7        188,011,305
                                          26,859,171            3         80,577,512
                                          26,872,576            3         80,617,727
                                          26,876,391            1         26,876,391
                                          26,896,191            4        107,584,763
                                          26,897,191            1         26,897,191
                                          26,899,254            1         26,899,254
                                          26,901,935            4        107,607,739
                                          26,902,385            2         53,804,770
                                          26,931,892            5        134,659,459
                                          26,935,386            1         26,935,386
                                          26,937,036            7        188,559,251
                                          26,961,786            6        161,770,715
                                          26,969,416            1         26,969,416
                                          26,969,828            1         26,969,828
                                          26,973,066            1         26,973,066
                                          26,974,366            1         26,974,366
                                          26,976,566            3         80,929,697
                                          26,979,566            9        242,816,092
                                          26,980,566            1         26,980,566
                                          26,982,316            6        161,893,895
                                          26,982,741            1         26,982,741
                                          26,987,241            1         26,987,241
                                          27,096,106            3         81,288,317
                                          27,104,562            1         27,104,562
                                          27,107,274            2         54,214,548
                                          27,108,649            6        162,651,893
                                          27,109,949            5        135,549,744
                                          27,110,449            3         81,331,346
                                          27,111,199            1         27,111,199
                                          27,158,713            4        108,634,851
                                          27,160,038            8        217,280,302
                                          27,164,163            2         54,328,326
                                          27,165,401           12        325,984,810
</Table>

<PAGE>

<Table>
<S>                                       <C>          <C>             <C>                      <C>             <C>       <C>
                                          27,165,551            5        135,827,754
                                          27,166,151            1         27,166,151
                                          27,186,419            6        163,118,513
                                          27,188,069            7        190,316,482
                                          27,225,901            1         27,225,901
                                          27,228,376            6        163,370,255
                                          27,277,876            9        245,500,882
                                          27,380,239           12        328,562,866
                                          27,380,489            9        246,424,399
                                          27,389,366            2         54,778,732
                                          27,668,653            1         27,668,653
                                          27,803,239            6        166,819,433
                                          27,803,476           20        556,069,516
                                          27,808,476            1         27,808,476
                                          27,809,776            4        111,239,103
                                          27,811,776            1         27,811,776
                                          27,813,776            1         27,813,776
                                          27,817,151            6        166,902,905
                                          27,818,626            5        139,093,129
                                          27,893,668            1         27,893,668
                                          27,944,742            6        167,668,451

                                                              273      7,424,684,780  /273      27,196,648    12,954,000      0.48

Nine Months ended September 30, 2003      27,786,961            3         83,360,884
                                          27,791,961            7        194,543,729
                                          27,799,361            3         83,398,084
                                          27,803,761            1         27,803,761
                                          27,806,761           14        389,294,658
                                          27,810,061            3         83,430,184
                                          27,810,902           14        389,352,632
                                          27,812,552            7        194,687,866
                                          27,816,536            5        139,082,681
                                          27,817,636           14        389,446,908
                                          27,819,636            5        139,098,181
                                          27,835,580           15        417,533,704
                                          27,891,763            6        167,350,580
                                          27,893,013           17        474,181,226
                                          27,897,650            1         27,897,650
                                          27,898,888            6        167,393,330
                                          27,900,800            1         27,900,800
                                          27,902,595            4        111,610,381
                                          27,903,008            2         55,806,017
                                          27,904,040            1         27,904,040
                                          27,910,041            4        111,640,165
                                          27,910,371            1         27,910,371
                                          27,912,021            1         27,912,021
                                          27,912,021            5        139,560,106
                                          27,917,521            1         27,917,521
                                          27,918,021            6        167,508,128
                                          27,918,433            1         27,918,433
                                          27,920,433            2         55,840,867
                                          27,921,133            3         83,763,400
                                          27,922,290            1         27,922,290
                                          27,923,940            8        223,391,522
                                          27,928,940            7        195,502,582
                                          27,930,178           14        391,022,496
                                          27,930,590           12        335,167,083
                                          27,932,671            4        111,730,685
                                          27,934,699           17        474,889,888
                                          28,040,347            9        252,363,126
                                          28,041,147            1         28,041,147
                                          28,042,447            1         28,042,447
                                          28,045,297            3         84,135,892
                                          28,045,747           35        981,601,155
                                          28,050,347            1         28,050,347
                                          28,052,203            1         28,052,203
                                          28,054,803            6        168,328,820

                                                              273      7,619,289,992  /273      27,909,487    16,307,000      0.58
</Table>