<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            NET       EARNINGS
                                      SHARES    OUTSTANDING  SHARES X DAYS       OUTSTANDING       INCOME     PER SHARE
<S>                                 <C>         <C>          <C>                 <C>              <C>         <C>
BASIC:

Three months ended June 30, 2004:   27,421,491            2     54,842,982
                                    27,424,391           26    713,034,166
                                    27,438,020            1     27,438,020
                                    27,447,920            4    109,791,680
                                    27,456,170            1     27,456,170
                                    27,456,970            2     54,913,940
                                    27,457,383           20    549,147,660
                                    27,460,883           21    576,678,543
                                    27,464,296            1     27,464,296
                                    27,467,547            5    137,337,735
                                    27,468,047            2     54,936,094
                                    27,472,497            5    137,362,485
                                    27,474,972            1     27,474,972

                                                         91  2,497,878,743 /91    27,449,217      1,595,000       0.06

Three months ended June 30, 2005:   27,874,052            1     27,874,052
                                    27,876,127            6    167,244,312
                                    27,876,552           20    557,531,040
                                    27,877,552            5    139,387,760
                                    27,879,552            7    195,156,864
                                    27,881,052            3     83,643,156
                                    27,906,052           15    418,590,780
                                    27,908,579           12    334,902,948
                                    27,909,529            1     27,909,529
                                    27,912,329            4    111,649,316
                                    27,918,579            1     27,918,579
                                    27,925,129            1     27,925,129
                                    27,926,679            2     55,853,358
                                    27,934,204            3     83,802,612
                                    27,940,455            3     83,821,365
                                    27,941,955            7    195,593,685

                                                         91  2,538,804,485 /91   27,898,950     11,247,000       0.40

Six months ended June 30, 2004      27,400,878            9    246,607,902
                                    27,401,278            7    191,808,946
                                    27,404,578           10    274,045,780
                                    27,406,228           22    602,937,016
                                    27,406,641            8    219,253,128
                                    27,418,191           22    603,200,202
                                    27,421,491           15    411,322,365
                                    27,424,391           26    713,034,166
                                    27,438,020            1     27,438,020
                                    27,447,920            4    109,791,680
                                    27,456,170            1     27,456,170
                                    27,456,970            2     54,913,940
                                    27,457,383           20    549,147,660
                                    27,460,883           21    576,678,543
                                    27,464,296            1     27,464,296
                                    27,467,547            5    137,337,735
                                    27,468,047            2     54,936,094
                                    27,472,497            5    137,362,485
                                    27,474,972            1     27,474,972

                                                        182  4,992,211,100 /182  27,429,731      6,562,000       0.24

Six months ended June 30, 2005:     27,728,130            1     27,728,130
                                    27,729,630            2     55,459,260
                                    27,730,330            2     55,460,660
                                    27,732,330            7    194,126,310
                                    27,733,580            1     27,733,580
                                    27,736,055            6    166,416,330
                                    27,737,755            2     55,475,510
</TABLE>

<PAGE>

<TABLE>
<S>                                 <C>                <C>   <C>                 <C>              <C>         <C>
                                    27,740,230            4    110,960,920
                                    27,742,730            2     55,485,460
                                    27,743,480            1     27,743,480
                                    27,748,430            4    110,993,720
                                    27,752,733            1     27,752,733
                                    27,785,015            1     27,785,015
                                    27,790,915            4    111,163,660
                                    27,793,940            1     27,793,940
                                    27,800,490            1     27,800,490
                                    27,809,153            2     55,618,306
                                    27,811,620            3     83,434,860
                                    27,825,495            1     27,825,495
                                    27,826,995            1     27,826,995
                                    27,841,845            2     55,683,690
                                    27,843,470            4    111,373,880
                                    27,845,970            2     55,691,940
                                    27,859,707            1     27,859,707
                                    27,863,332            3     83,589,996
                                    27,863,957            1     27,863,957
                                    27,867,052            2     55,734,104
                                    27,869,052            1     27,869,052
                                    27,874,052           28    780,473,456
                                    27,876,127            6    167,256,762
                                    27,876,552           20    557,531,040
                                    27,877,552            5    139,387,760
                                    27,879,552            7    195,156,864
                                    27,881,052            3     83,643,156
                                    27,906,052           15    418,590,780
                                    27,908,579           12    334,902,948
                                    27,909,529            1     27,909,529
                                    27,912,329            4    111,649,316
                                    27,918,579            1     27,918,579
                                    27,925,129            1     27,925,129
                                    27,926,679            2     55,853,358
                                    27,934,204            3     83,802,612
                                    27,940,455            3     83,821,365
                                    27,941,955            7    195,593,685

                                                        181  5,041,667,519 /181  27,854,517     19,930,000       0.72

DILUTED:

Three months ended June 30, 2004:   28,146,897            2     56,293,793
                                    28,149,797           26    731,894,715
                                    28,163,426            1     28,163,426
                                    28,173,326            4    112,693,303
                                    28,181,576            1     28,181,576
                                    28,182,376            2     56,364,751
                                    28,182,789           20    563,655,775
                                    28,186,289           21    591,912,063
                                    28,189,702            1     28,189,702
                                    28,192,953            5    140,964,764
                                    28,193,453            2     56,386,905
                                    28,197,903            5    140,989,514
                                    28,200,378            1     28,200,378

                                                         91  2,563,890,665 /91   28,174,623      1,595,000       0.06

Three months ended June 30, 2005:   28,673,423            1     28,673,423
                                    28,675,498            6    172,052,987
                                    28,675,923           20    573,518,458
                                    28,676,923            5    143,384,614
                                    28,678,923            7    200,752,460
                                    28,680,423           18    516,247,612
                                    28,682,950           12    344,195,399
                                    28,683,900            1     28,683,900
                                    28,686,700            4    114,746,800
                                    28,692,950            1     28,692,950
                                    28,699,500            1     28,699,500
                                    28,701,050            2     57,402,100
                                    28,708,575            3     86,125,725
                                    28,714,826            3     86,144,478
                                    28,716,326            7    201,014,281

                                                         91  2,610,334,687 /91   28,684,997     11,247,000       0.39

Six months ended June 30, 2004      28,105,293            9    252,947,640
                                    28,105,693            7    196,739,853
                                    28,108,993           10    281,089,933
                                    28,110,643           22    618,434,153
</TABLE>

<PAGE>

<TABLE>
<S>                                 <C>                <C>   <C>                 <C>              <C>         <C>
                                    28,111,056            8    224,888,451
                                    28,122,606           22    618,697,339
                                    28,125,906           15    421,888,595
                                    28,128,806           26    731,348,965
                                    28,142,435            1     28,142,435
                                    28,152,335            4    112,609,341
                                    28,160,585            1     28,160,585
                                    28,161,385            2     56,322,771
                                    28,161,798           20    563,235,967
                                    28,165,298           21    591,471,265
                                    28,168,711            1     28,168,711
                                    28,171,962            5    140,859,812
                                    28,172,462            2     56,344,925
                                    28,176,912            5    140,884,562
                                    28,179,387            1     28,179,387

                                                        182  5,120,414,690 /182  28,134,147      6,562,000       0.23

Six months ended June 30, 2005:     28,559,326            1     28,559,326
                                    28,560,826            2     57,121,652
                                    28,561,526            2     57,123,052
                                    28,563,526            7    199,944,683
                                    28,564,776            1     28,564,776
                                    28,567,251            6    171,403,507
                                    28,568,951            2     57,137,902
                                    28,571,426            4    114,285,705
                                    28,573,926            2     57,147,852
                                    28,574,676            1     28,574,676
                                    28,579,626            4    114,318,505
                                    28,583,929            1     28,583,929
                                    28,616,211            1     28,616,211
                                    28,622,111            4    114,488,445
                                    28,625,136            1     28,625,136
                                    28,631,686            1     28,631,686
                                    28,640,349            2     57,280,698
                                    28,642,816            3     85,928,449
                                    28,656,691            1     28,656,691
                                    28,658,191            1     28,658,191
                                    28,673,041            2     57,346,082
                                    28,674,666            4    114,698,665
                                    28,677,166            2     57,354,332
                                    28,690,903            1     28,690,903
                                    28,694,528            3     86,083,585
                                    28,695,153            1     28,695,153
                                    28,698,248            2     57,396,496
                                    28,700,248            1     28,700,248
                                    28,705,248           28    803,746,949
                                    28,707,323            6    172,243,939
                                    28,707,748           20    574,154,964
                                    28,708,748            5    143,543,741
                                    28,710,748            7    200,975,237
                                    28,712,248           18    516,820,467
                                    28,714,775           12    344,577,302
                                    28,715,725            1     28,715,725
                                    28,718,525            4    114,874,101
                                    28,724,775            1     28,724,775
                                    28,731,325            1     28,731,325
                                    28,732,875            2     57,465,750
                                    28,740,400            3     86,221,201
                                    28,746,651            3     86,239,954
                                    28,748,151            7    201,237,058

                                                        181  5,190,889,024 /181  28,678,945     19,930,000       0.69
</TABLE>