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 the month of ~~December~~April, ~~2006~~2007

Commission File Number: 000-12049

SHELL CANADA LIMITED

(Translation of registrant's name into English)

400 - 4th Avenue S.W.,

Calgary, Alberta, Canada T2P 0J4

(Address of principal executive offices)

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

Form 20-F o Form 40-F þ

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 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 o No þ

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

DOCUMENTS FILED AS PART OF THIS FORM 6-K

See the Exhibit Index to this Form 6-K.

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.

		SHELL CANADA LIMITED
		(Registrant)
December 27, 2006
April 19, 2007
	By:	/s/ Shannon L. Cosmescu
		Name: Shannon L. Cosmescu
		Title: Assistant Secretary

Form 6-K Exhibit Index

Exhibit 99.1 News Release dated ~~December~~April 2119, ~~2006~~2007 - ~~Regulators~~Shell ~~Approve~~Canada ~~Muskeg~~President ~~River~~and ~~Mine~~CEO ~~Expansion~~Clive Mather announces retirement

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