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Cabeça de poço

Equipamento composto de carreteis (spools), válvulas e adaptadores conectados à parte terminal superior do poço, que garante vedação, controle de fluxo e sustentação mecânica dos equipamentos suspensos, tais como tubing e revestimentos.

Wellhead

Equipment composed of spools, valves, and adapters connected to the upper terminal part of the well, ensuring sealing, flow control, and mechanical support of suspended equipment, such as tubing and casings.

Reserve certification

The certification and declaration of mineral resources and reserves is a process carried out by major companies in the sector to raise funds in stock exchanges or negotiate mineral projects with other companies. The document contains the estimated reserve of that field with data confirming the indicated value.

Mature fields

Fields that have already surpassed their production peak; that is, the volume of hydrocarbons extracted has reduced the internal energy of the reservoir, resulting in a natural decline in production.

Campos que já ultrapassaram seu pico de produção, ou seja, o volume de hidrocarbonetos extraído reduziu a energia interna do reservatório, acarretando declínio natural da produção.

Well completion

Process of making the well ready for production.

Concession

State grant of the right to access a certain area for a specified period (usually through a competitive process), transferring certain rights from the country to the concessionary company for petroleum and natural gas exploration and production activities.

Condensate

Natural gas liquid obtained in the normal field separation process, which remains in the liquid phase under normal pressure and temperature conditions.