FILED BY ENSCO INTERNATIONAL INCORPORATED
                           PURSUANT TO RULE 425 UNDER THE SECURITIES ACT OF 1933
                                     AND DEEMED FILED PURSUANT TO RULE 14A-12(b)
                                          OF THE SECURITIES EXCHANGE ACT OF 1934
                                           SUBJECT COMPANY: CHILES OFFSHORE INC.
                                  SUBJECT COMPANY COMMISSION FILE NO.: 001-16005

                                  NEWS RELEASE
[ENSCO LOGO]           ENSCO INTERNATIONAL INCORPORATED

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        2700 FOUNTAIN PLACE o 1445 ROSS AVENUE o DALLAS, TEXAS 75202-2792
      TEL: (214) 922-1500 o FAX: (214) 855-0080 o WEB SITE: www.enscous.com
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                ENSCO INTERNATIONAL AND CHILES OFFSHORE ANNOUNCE
              EFFECTIVE DATE OF REGISTRATION STATEMENT AND DATE FOR
                       MAILING PROXY STATEMENT/PROSPECTUS

         Dallas, Texas, July 8, 2002....ENSCO International Incorporated (NYSE:
ESV) and Chiles Offshore Inc. (AMEX: COD) announced today that the registration
statement related to the issuance of ENSCO stock in connection with ENSCO's
proposed acquisition of Chiles Offshore was declared effective by the Securities
and Exchange Commission on July 5, 2002.

         As previously announced, the Chiles Board of Directors has set July 5,
2002 as the record date for determining stockholders entitled to vote on the
transaction with ENSCO, which is subject to stockholder approval at a special
meeting of Chiles stockholders to be held on August 7, 2002. It is expected that
the proxy statement/prospectus related to the transaction will first be mailed
to Chiles stockholders on or about July 9, 2002.

         ENSCO, headquartered in Dallas, Texas, provides contract drilling and
marine transportation services to the international petroleum industry. Chiles,
based in Houston, Texas, owns and operates a fleet of four ultra-premium jackup
rigs with one additional ultra-premium jackup rig under construction that is
expected to be delivered by the end of the third quarter of 2002.

         THIS ANNOUNCEMENT DOES NOT CONSTITUTE AN OFFER OF ANY SECURITIES FOR
SALE OR AN OFFER OR AN INVITATION TO PURCHASE ANY SECURITIES. INVESTORS SHOULD
CAREFULLY REVIEW ENSCO INTERNATIONAL INCORPORATED'S REGISTRATION STATEMENT AND
PROSPECTUS AND THE RELATED CHILES OFFSHORE INC. DEFINITIVE PROXY STATEMENT WITH
RESPECT TO THE PROPOSED TRANSACTION FILED WITH THE SEC ON JULY 5, 2002 BEFORE
MAKING ANY DECISION CONCERNING THE PROPOSED OFFER. THESE DOCUMENTS CONTAIN
IMPORTANT INFORMATION. THESE DOCUMENTS AND OTHER RELEVANT DOCUMENTS MAY BE
OBTAINED FOR FREE AT THE SEC'S WEB SITE http://WWW.SEC.GOV, AND AT ENSCO
INTERNATIONAL INCORPORATED'S WEB SITE, http://WWW.ENSCOUS.COM, OR CHILES
OFFSHORE INC.'S WEB SITE, http://WWW.CHILESOFFSHORE.COM. INVESTORS SHOULD




READ THE PROXY STATEMENT/PROSPECTUS CAREFULLY BEFORE MAKING A DECISION
CONCERNING THE TRANSACTION.

PARTICIPANTS IN SOLICITATION

         CHILES OFFSHORE INC. AND ITS RESPECTIVE DIRECTORS AND EXECUTIVE
OFFICERS MAY BE DEEMED TO BE PARTICIPANTS IN THE SOLICITATION OF PROXIES FROM
CHILES OFFSHORE INC.'S SHAREHOLDERS IN CONNECTION WITH THE PROPOSED MERGER.
INFORMATION CONCERNING CHILES OFFSHORE INC.'S PARTICIPANTS IN THE SOLICITATION
IS SET FORTH IN CHILES OFFSHORE INC.'S FORM 10-K FILED WITH THE SECURITIES AND
EXCHANGE COMMISSION ON MARCH 29, 2002.

Contact:  Richard LeBlanc
          (214) 922-1550