EXHIBIT 23.4
                                                                   ------------




March 29, 2007



NEXEN INC.
801 7th Avenue SW
Calgary, Alberta  T2P 3P7


We hereby consent to references to our firm relating to the  evaluation  and/or
audit of certain oil and gas properties of Nexen Inc. (the "Company") contained
in the  section  entitled  "Basis  of  Reserves  Estimates"  within  "Reserves,
Production  and Related  Information"  as set out in Part I, Items 1&2 Business
and  Properties of the Company's  Annual Report on Form 10-K/A  Amendment No. 1
for the year ended December 31, 2005.


Sincerely,

MCDANIEL & ASSOCIATES CONSULTANTS LTD.


/s/ P. A. Welch
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P. A. Welch, P. Eng.
President & Managing Director