UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 6-K

                        REPORT OF FOREIGN PRIVATE ISSUER
                      PURSUANT TO RULE 13a-16 OR 15d-16 OF
                       THE SECURITIES EXCHANGE ACT OF 1934

         For APRIL 19, 2004                     Commission File Number: 1-15226

                               ENCANA CORPORATION
             (Exact name of registrant as specified in its charter)

                            1800, 855 - 2ND STREET SW
                        CALGARY, ALBERTA, CANADA T2P 2S5
                                 (403) 645-2000
                    (Address of principal executive offices)

         Indicate by check mark whether the registrant files or will file annual
reports under cover of Form 20-F or Form 40-F.

                  Form 20-F     [_]             Form 40-F       [X]

         Indicate by check mark if the registrant is submitting the Form 6-K in
paper as permitted by Regulation S-T Rule 101(b)(1):_______

         Note: Regulation S-T Rule 101(b)(1) only permits the submission in
paper of a Form 6-K if submitted solely to provide an attached annual report to
security holders.

         Indicate by check mark if the registrant is submitting the Form 6-K in
paper as permitted by Regulation S-T Rule 101(b)(7):_______

         Note: Regulation S-T Rule 101(b)(7) only permits the submission in
paper of a Form 6-K if submitted to furnish a report or other document that the
registrant foreign private issuer must furnish and make public under the laws of
the jurisdiction in which the registrant is incorporated, domiciled or legally
organized (the registrant's "home country"), or under the rules of the home
country exchange on which the registrant's securities are traded, as long as the
report or other document is not a press release, is not required to be and has
not been distributed to the registrant's security holders, and, if discussing a
material event, has already been the subject of a Form 6-K submission or other
Commission filing on EDGAR.

         Indicate by check mark whether the registrant by furnishing the
information contained in this Form is also thereby furnishing the information to
the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of
1934.

                  Yes           [_]             No              [X]

         If "Yes" is marked, indicate below the file number assigned to the
registrant in connection with Rule 12g3-2(b): 82-_______.




                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.



                                    ENCANA CORPORATION



                                    By: /s/ Kerry D. Dyte
                                        ---------------------------------------
                                        Name:   Kerry D. Dyte
                                        Title:  Corporate Secretary


Date:    April 19, 2004





                                  EXHIBIT INDEX


      EXHIBIT NO.          DESCRIPTION
      -----------          -----------

         99.1              The Agreement and Plan of Merger, dated as of April
                           14, 2004, by and among EnCana Corporation, Plaza
                           Acquisition II Corp. and Tom Brown, Inc.