Ownership Submission
FORM 5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Form 3 Holdings Reported
Form 4 Transactions Reported
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person *
Brillon Sherri Anne
 2. Issuer Name and Ticker or Trading Symbol
ENCANA CORP [ECA] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP and CFO
(Last)
(First)
(Middle)

C/O 500 CENTRE STREET SE		 3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
12/31/2017
(Street)


CALGARY, A0 T2P 2S5		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Reporting
(check applicable line)

_X_ Form Filed by One Reporting Person
___ Form Filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned at end of Issuer's Fiscal Year
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Amount (A) or (D) Price
Common Shares 02/17/2017   M4 26,080 A $ 12.36 (2) 94,165 D  
Common Shares 02/17/2017   D4 26,080 D $ 12.36 (2) 94,165 D  
Common Shares 02/17/2017   M4 48,455 (5) A $ 12.57 (4) 94,165 D  
Common Shares 02/17/2017   D4 48,455 (5) D $ 12.57 (4) 94,165 D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned at End of Issuer's Fiscal Year
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Rights (Restricted Share Unit)   02/17/2017   M4   26,080 02/17/2017 02/17/2017 Common Shares
26,080
$ 0 (2) 0
D
 
Rights (Performance Share Unit)   02/17/2017   M4   52,081 02/17/2017 02/17/2017 Common Shares
52,081
$ 0 (4) 0
D
 
Rights (Deferred Share Unit)   02/21/2017   A4 12,012     (6)   (6) Common Shares
12,012
$ 12.15 (7) 32,257
D
 

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Brillon Sherri Anne
C/O 500 CENTRE STREET SE
CALGARY, A0 T2P 2S5		       EVP and CFO  

Signatures

/s/Dawna Gibb by Power of Attorney 02/14/2018
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Each Restricted Share Unit (each, "RSU") is the economic equivalent of one common share of Encana Corporation and attracts dividend equivalent RSUs.
(2) The RSUs settled in Canadian dollars at a price of CAD$16.20 per RSU. The price has been converted to U.S. dollars using the Bank of Canada exchange rate on the transaction date.
(3) Each Performance Share Unit (each, "PSU") is settled based on the achievement of certain performance criteria, is valued based on the economic equivalent of one common share of Encana Corporation, and attracts dividend equivalent PSUs.
(4) The PSUs settled in Canadian dollars at a price of CAD$16.57 per PSU. The price has been converted to U.S. dollars using the Bank of Canada exchange rate on the transaction date.
(5) Settlement of the PSUs was based on a performance criteria multiplier of 92.9 percent.
(6) Each Deferred Share Unit (each, "DSU") is the economic equivalent of one common share of Encana Corporation,were granted in lieu of a portion of her 2017 annual bonus and attracts dividend equivalent DSUs. DSUs are held until termination of employment.
(7) The DSUs were awarded in Canadian dollars at a price of CAD$15.98 per DSU. The price has been converted to U.S. dollars using the Bank of Canada exchange rate on the transaction date.

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