**Exhibit99.8**

**CERTIFICATIONSPURSUANT TO**

**RULE13a-14(a)**

I, Gregory S.Noval, certify that:

1.             I have reviewed this Annual Reporton Form 40-F of Canadian Superior Energy Inc.;

2.             Based on my knowledge, this AnnualReport does not contain any untrue statement of a material fact or omit tostate a material fact necessary to make the statements made, in light of thecircumstances under which such statements were made, not misleading withrespect to the period covered by this Annual Report;

3.             Based on my knowledge, thefinancial statements, and other financial information included in this AnnualReport, fairly present in all material respects the financial condition,results of operations and cash flows of the issuer as of, and for, the periodspresented in this Annual Report;

4.             The issuer’s other certifyingofficer and I are responsible for establishing and maintaining disclosurecontrols and procedures (as defined in Exchange Act Rules 13a-15(e) and15d-15(e)) and internal control over financial reporting (as defined inExchange Act Rules 13a-15(f) and 15d-15(f)) for the issuer and have:

a)             designed such disclosure controlsand procedures, or caused such disclosure controls and procedures to bedesigned under our supervision, to ensure that material information relating tothe issuer, including its consolidated subsidiaries, is made known to us byothers within those entities, particularly during the period in which thisAnnual Report is being prepared;

b)            designed such internal control overfinancial reporting, or caused such internal control over financial reportingto be designed under our supervision, to provide reasonable assurance regardingthe reliability of financial reporting and the preparation of financialstatements for external purposes in accordance with generally acceptedaccounting principles;

c)             evaluated the effectiveness of theissuer’s disclosure controls and procedures and presented in this report ourconclusions about the effectiveness of the disclosure controls and procedures,as of the end of the period covered by this report based on such evaluation;and

d)            disclosed in this report any changein the issuer’s internal control over financial reporting that occurred duringthe period covered by the report that has materially affected, or is reasonablylikely to materially affect, the issuer’s internal control over financialreporting; and

5.             The issuer’s other certifyingofficer and I have disclosed, based on our most recent evaluation of internalcontrol over financial reporting, to the issuer’s auditors and the auditcommittee of the issuer’s board of directors (or persons performing theequivalent functions):

a)             all significant deficiencies andmaterial weaknesses in the design or operation of internal control overfinancial reporting which are reasonably likely to adversely affect the issuer’sability to record, process, summarize and report financial information; and

b)            any fraud, whether or not material,that involves management or other employees who have a significant role in theissuer’s internal control over financial reporting.

Dated:  March 30, 2007
| By:    | /s/ GREGORY S. NOVAL |                    |
|--------|----------------------|-------------------------|
|   | Name:                | Gregory S. Noval        |
|   | Title:               | Chief Executive Officer |
|        |                      |                         |  |

 

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