| | Operation of Multiple Service Contracts Development Works  | Geologic and Geophysic Services |  | Engineering Services |  | Additional Services related to the development of fields  | Well Drilling and finishing |  | Major Repairs of Wells |  | Construction of recollection lines |
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 Infrastructure Works  | Construction and Repair of Access roads |  | Site preparation |  | Construction and installation of compressors, meters, gas ducts and any plant and equipment for gas conditioning |

Maintenance Works  | Well Maintenance |  | Maintenance of Dehydration and gas conditioning Installations |  | Maintenance of recollection lines and related installations |  | Measurement of Gas and Condensate |

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