FORM 4

                   U.S. SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

                 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

   Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934,
      Section 17(a) of the Public Utility Holding Company Act of 1935 or
             Section 30(f) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person

  MIDDLETON          MICHAEL               P.
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   (Last)            (First)            (Middle)

  3020 CARROLL DR.
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                     (Street)

  MORGAN CITY             LA.           70380
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   (City)               (State)         (Zip)
   
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2. Issuer Name and Ticker or Trading Symbol

    CDIS
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3. IRS or Social Security Number of Reporting Person (Voluntary)

_______________________________________________________________________________
4. Statement for Month/Year

    JULY 1998
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5. If Amendment, Date of Original (Month/Year)

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6. Relationship of Reporting Person to Issuer
   (Check all applicable)

   [ ] 10% Owner
   [ ] Director
   [X] Officer (give title below)
   [ ] Other (specify below)
   
   V.P. OPERATIONS
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TABLE I--Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
            
- ------------------------------------------------------------------------------------------------------------------------
          1.                2.           3.                     4.                       5.           6.          7.    
- ---------------------    --------    ----------   ------------------------------    -----------   ----------  ----------
                                                                                    Amount of     Owner-                
                                                                                    Securities    ship                  
                         Trans-      Trans-          Securities Acquired (A)        Beneficially  Form:                 
                         action      action          or Disposed of (D)             Owned at      Direct      Nature of 
                         Date        Code            (Instr. 3, 4 and 5)            End of        (D) or      Indirect  
Title of                 (Month/     (Instr. 8)   ----------------------------      Month         Indirect    Beneficial
Security                  Day/       ----------     Amount    (A) or    Price       (Instr.       (I)         Ownership 
(Instr. 3)                Year)      Code   V                   (D)                 3 and 4)      (Instr. 4)  (Instr. 4)
- ---------------------    --------    ----  ----   -----------  ------  ---------    -----------   ----------  ----------
CAL DIVE INT'L CDIS      7/27/98      P               420        A     23 13/16         420           D
CAL DIVE INT'L CDIS      8/17/98      P               420        A     15               840           D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. (Print or Type Responses) Page 2 FORM 4 (continued) TABLE II--Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g. puts, calls, warrants, options, convertible securities) - ------------------------------------------------------------------------------------------------------------------------------ 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. - ---------- -------- -------- -------- ---------- ------------ -------------- ------ ---------- --------- ---------- Title and Ownership Number of Date Exer- Amount of Form of Derivative cisable and Underlying Number of Deriv- Securities Expiration Securities Price Derivative ative Conver- Trans- Acquired (A) Date (Month/ (Instr. 3 of Securities Security: sion or Trans- action or Disposed Day/Year) and 4) Deriv- Benefi- Direct Exercise action Code of (D) -------------- -------------- ative cially (D) or Nature of Title of Price of Date (Instr. (Instr. 3, Date Amount Secur- Owned at Indirect Indirect Derivative Deriv- (Month/ 8) 4 and 5) Exer- Expir- or Num- ity End of (I) Beneficial Security ative Day/ -------- ---------- cis- ation ber of (Instr. Month (Instr. Ownership (Instr. 3) Security Year) Code V (A) (D) able Date Title Shares 5) (Instr. 4) 4) (Instr. 4) - ---------- -------- -------- ---- --- ---- ---- ------- ----- ----- ------ ------ ---------- -------- ----------
Explanation of Responses: - ----------------------------------------------------- - ----------------------------------------------------- /s/ MICHAEL MIDDLETON 8/27/98 ---------------------------------------- -------------------- ** Signature of Reporting Person Date ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure.