Exhibit 99.10
Principal Officers:
Harry Jung, P. Eng. President, C.E.O. Dana B. Laustsen, P. Eng. Executive V.P., C.O.O. Keith M. Braaten, P. Eng. | |
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| Officers / Vice Presidents: Terry L. Aarsby, P. Eng. |
March 5, 2008 |
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Penn West Petroleum Ltd. |
Re: | Consent of Independent Petroleum Consultants |
To Whom it May Concern:
GLJ Petroleum Consultants consents to the use of its reports with respect to the reserves data of Penn West Energy Trust’s: (i) Annual Report (Form 40-F) for the year ended December 31, 2007; (ii) Registration Statement on Form F-3 (Registration No. 333-145296), filed with the Securities and Exchange Commission; (iii) Fourth Quarter 2007 Press Release; (iv) Annual Information Form; and (v) Business Acquisition Report.
| Sincerely, |
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| GLJ PETROLEUM CONSULTANTS LTD. |
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| Dana B. Laustsen, P. Eng. |
| Executive Vice-President |