UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13A-16 OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For May 20, 2005 Commission File Number: 001-14534 PRECISION DRILLING CORPORATION (Exact name of registrant as specified in its charter) 4200, 150 - 6TH AVENUE S.W. CALGARY, ALBERTA CANADA T2P 3Y7 (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 [_] 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- N/A ------- 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. PRECISION DRILLING CORPORATION Per: /s/ Jan M. Campbell ------------------------ Jan M. Campbell Corporate Secretary Date: May 20, 2005 -------------------------------------------------------------------------------- CORPORATE ACCESS NUMBER: 2010828560 ALBERTA BUSINESS CORPORATIONS ACT CERTIFICATE OF AMENDMENT PRECISION DRILLING CORPORATION AMENDED ITS ARTICLES ON 2005/05/10. [STAMP OMITTED] REGISTRAR OF CORPORATIONS -------------------------------------------------------------------------------- BUSINESS CORPORATIONS ACT (Section 27 or 173) FORM 4 ALBERTA CONSUMER AND CORPORATE AFFAIRS ARTICLES OF AMENDMENT -------------------------------------------------------------------------------- 1. NAME OF CORPORATION: PRECISION DRILLING CORPORATION 2. CORPORATE ACCESS NUMBER: 2010828560 3. THE ARTICLES OF THE ABOVE-NAMED CORPORATION ARE AMENDED AS FOLLOWS: Pursuant to Section 173 (1)(f) of the Business Corporations Act, R.S.A. 2000, C. 8-9, the Articles of PRECISION DRilLING CORPORATION be amended to change the number of issued and outstanding Common Shares of the Corporation into a different number of shares of the same class on the basis of one (1) additional Common Share for every one (1) Common Share currently issued. [STAMP OMITTED] FILED electronically at Alberta Registries May 10, 2005 Borden Ladner Gervais LLP (Corporate Records Dept.) -------------------------------------------------------------------------------- Date Signature Title MAY 10, 2005 /s/ JAN CAMPBELL CORPORATE SECRETARY -------------------------------------------------------------------------------- For Departmental Use Only Filed NAME/STRUCTURE CHANGE ALBERTA CORPORATION - REGISTRATION STATEMENT Service Request Number: 7293295 Corporate Access Number: 2010828560 Legal Entity Name: PRECISION DRILLING CORPORATION French Equivalent Name: Legal Entity Status: Active Alberta Corporation Type: Named Alberta Corporation New Legal Entity Name: PRECISION DRILLING CORPORATION New French Equivalent Name: Nuans Number: Nuans Date: French Nuans Number: French Nuans Date: Share Structure: SCHEDULE 'A' Share Transfers Restrictions: NONE Number of Directors: Min Number Of Directors: 3 Max Number Of Directors: 11 Business Restricted To: NONE Business Restricted From: NONE Other Provisions: SCHEDULE 'B' BCA Section/Subsection: Professional Endorsement Provided: Future Dating Required: -------------------------------------------------------------------------------- Annual Return FILE YEAR DATE FILED 2005 2005/01/04 Attachment Attachment Type Microfilm Bar Code Date Recorded --------------- ------------------ ------------- Statutory Declaration 10000102000579763 2004/01/01 Other Rules or Provisions ELECTRONIC 2004/01/01 Share Structure ELECTRONIC 2004/01/01 Consolidation, Split, Exchange ELECTRONIC 2005/05/10 Registration Authorized By: BRIAN ROBERTS SOLICITOR PRECISION DRILLING CORPORATION CAN: 2010828560 Pursuant to Section 173(1) (f) of the Business Corporations Act, R.S.A. 2000, C. B-9, the Articles of precision Drilling Corporation be amended to change the number of issued and outstanding Common Shares of the Corporation into a different number of shares of the same class on the basis of one (1) additional Common Share for everyone (1) Common Share currently issued.