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Content analysis
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Constraining | ||
Legalese | ||
Litigous | ||
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6th grade Avg
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- 20-F Annual report (foreign)
- 7.1 Computation of Ratio of Earnings to Fixed Charges
- 10.1 Consent Letter of Ryder Scott Company, L.P.
- 10.2 Report on Reserves Data by Ryder Scott Company, L. P.
- 10.3 Consent Letters of Netherland, Sewell International
- 10.4 Reports on Reserves Data by Netherland Sewell International
- 10.5 Consent Letter of Degolyer and Macnaughton
- 10.6 Report on Reseves Data by Degolyer and Macnaughton
- 12.1 CEO Consent Certification Pursuant to Rule 13A-14(A)/15D-14(A)
- 12.2 CFO Consent Certification Pursuant to Rule 13A-14(A)/15D-14(A)
- 13.1 Certification Pursuant to Rule 13A-14(B)/15D-14(B) and 18 U.s.c. Section 1350
Exhibit 10.5
DEGOLYER AND MACNAUGHTON
5001 SPRING VALLEY ROAD
SUITE 800 EAST
DALLAS, TEXAS 75244
June 27, 2011
Dr. Juan José Suárez Coppel
Director General
Petróleos Mexicanos
Avenida Marina Nacional No. 329
Colonia Petróleos Mexicanos
Torre Ejecutiva, Piso 41
11311 Mexico, D.F. Mexico
Dear Dr. Suárez Coppel;
We hereby consent to the reference to DeGolyer and MacNaughton as set forth under the headings “Presentation of Information Concerning Reserves” and “Business Overview” under the subheadings “Overview by Business Segment,” “Exploration and Production,” and “Reserves” in the Annual Report on Form 20-F of Petróleos Mexicanos for the year ended December 31, 2010, and to the filing as an exhibit to the Form 20-F of our report entitled “Appraisal Report as of January 1, 2011 on Reserves of Certain Properties operated by Pemex Exploración y Producción in the Región Marina Suroeste of Mexico.” These estimates were prepared in accordance with the reserves definitions of Rules 4-10(a) (1)-(32) of Regulation S-X of the United States Securities and Exchange Commission.
Very truly yours, |
/s/ DeGOLYER and MacNAUGHTON |
DeGOLYER and MacNAUGHTON |
Texas Registered Engineering Firm F-716 |