EXHIBIT 1




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                               NEXEN SAVINGS PLAN

                                   EXHIBIT 1
                                       TO
                           ANNUAL REPORT ON FORM 11-K

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            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM



As independent  public  accountants,  we hereby consent to the incorporation of
our reports  included  in this Form 11-K into the  Company's  previously  filed
Registration Statement File No. 33-28346, 33-79666 and 333-118019. It should be
noted that we have not audited any  financial  statements  of the Nexen Savings
Plan  subsequent  to  December  31,  2009  or  performed  any  audit  procedure
subsequent to the date of our report.


/s/ Weaver and Tidwell, L.L.P.

WEAVER AND TIDWELL, L.L.P.

Dallas, Texas
June 23, 2010