SECURITIES AND EXCHANGE COMMISSION

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16 of
the Securities Exchange Act of 1934

ENCANA CORPORATION

1800, 855 – 2^nd Street SW
Calgary, Alberta, Canada T2P 2S5
(Address of principal executive office)

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

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):     o

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):     o

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

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

Table of Contents

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.

Date: April 27, 2005

Form 6-K Exhibit Index

Exhibit No.

Shareholders approve two-for-one share split

CALGARY, Alberta (April 27, 2005) — At the Annual and Special meeting of EnCana’s shareholders held today, EnCana’s shareholders approved the split of EnCana’s outstanding common shares on a two-for-one basis. In addition to shareholder approval, the stock split is subject to the receipt of all required regulatory approvals.

The plan calls for each shareholder to receive one additional common share for each common share held on the record date for the stock split of May 12, 2005. Pursuant to the rules of the Toronto Stock Exchange, EnCana’s common shares will commence trading on a subdivided basis at the opening of business on May 10, 2005, which is the second trading day preceding the record date. Also on May 10, 2005, EnCana’s common shares listed on the New York Stock Exchange (NYSE) will commence trading with rights entitling holders to an additional common share for each common share held upon the commencement of trading of the common shares on a subdivided basis on the NYSE. The trading of the common shares on a subdivided basis on the NYSE will occur one day after the delivery of share certificates to registered holders of EnCana’s common shares. It is anticipated that share certificates representing the additional common shares resulting from the stock split will be mailed to registered common shareholders on or about May 20, 2005.

EnCana Corporation
With an enterprise value of approximately US$38 billion, EnCana is one of North America’s leading natural gas producers, is among the largest holders of gas and oil resource lands onshore North America and is a technical and cost leader in the in-situ recovery of oilsands bitumen. EnCana delivers predictable, reliable, profitable growth from its portfolio of long-life resource plays situated in Canada and the United States. Contained in unconventional reservoirs, resource plays are large contiguous accumulations of hydrocarbons, located in thick or areally extensive deposits, that typically have low geological and commercial development risk, low average decline rates and very long producing lives. The application of technology to unlock the huge resource potential of these plays typically results in continuous increases in production and reserves and decreases in costs over multiple decades of resource play life. EnCana common shares trade on the Toronto and New York stock exchanges under the symbol ECA.

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