Petroleos Mexicanos (PEMEX) has invited companies for six bidding processes in the nation and abroad. The job is to increase the extraction of hydrocarbon basin in the largest gas producer in Mexico, covering an area exceeding 50 square kilometers in the states of Tamaulipas, Nuevo Leon and Coahuila. The aim of the bidding is to expand the infrastructure platforms, access roads to wells, strengthen the transportation, collection and storage of non-linked gas in Burgos Integral active.

At the end of May 2008, 532 thousand million cubic feet per day of gas production was reached in the Burgos basin which represents 22% of the total production of this hydrocarbon in Mexico.

The following are the six calls that PEMEX has invited through its subsidiary body, Pemex Exploration and Production (PEP):

International Public Tender number 18575110-006-09

Invites Mexican and other countries to take part in the optimization of production of artificial systems II integral of Burgos Integral asset. The date of commencement of work will be August 4, 2009.

International Public Tender number 18575109-011-09

PEP convenes national and international companies to participate in the service of monitoring wells that asset.

International Public Tender number 18575110-012-09

It invites companies to participate in the construction of discharge lines to transport oil from wells to collection stations in the basins of the asset. The date of commencement of work will be November 10, 2009.

International Public Tender number 18575110-014-09

PEP invites national and international companies to tender for the construction of platforms and access roads to the drilling of wells and production facilities. Work will begin on October 19, 2009.

National Public Bidding 18575110-016-09 number

National companies are invited to participate in the construction, installation and connection of modules to get gas stations to expand the collection of gas fields for that asset. The contract will begin on September 28, 2009.

International Public Tender number 18575110-020-09

Includes the construction of gas collection in the fields of the asset. The starting date of works is planned for October 19, 2009. In the last four bids is a period of performance of 730 days. The production of the basin began in 1945 and its development and exploitation was a boom that enabled him to achieve a maximum production of 670 million cubic feet of gas daily in the early seventies, after which it showed a gradual decline. In November 2003, gave new impetus to the Burgos basin through the multiple services contracts, which have helped to increase gas production in that region. It is worth mentioning that in the development of these activities in the Burgos basin, PEMEX strictly complies with current regulations in environmental matters, through the adoption of best safety practices and environmental protection.