Petroleo Brasileiro S.a. - Petrobras

Petroleo Brasilerio S.a. - Petrobras

Cezar Augusto Silva Paulo

Roberto Rodrigues

Samir P Awad

Francisco Edward Roveri

Carlos Alberto Giacomin Pereira

Orlando Jose Soares Ribeiro

Renato Brandão Mansano

Eduardo De Melo Sanches

A free standing riser system includes a riser, a subsea intervention unit, and an umbilical line. The riser includes interconnected joints linked to one another, a lower-end of the riser being coupled to a wellhead and an upper-end of the riser enclosed in a buoy assembly, including a terminal, the riser being maintained in an erect, substantially vertical position. The subsea intervention unit is provided above the riser, and includes three connections: one connection to the terminal of the riser, one connection to a flexible jumper that is connected to a FPU, and one connection that provides a vertical conveyance to an intervention rig.

Free standing riser system and method of installing same

An integrated oil drilling and producing base includes a single guiding funnel for guiding a wet Christmas tree into the proper position on a high pressure well head. The single guiding funnel has a cylindrical downcomer for resting directly on the high pressure well head, at least one cradle on the guiding funnel and at least one pipeline terminal hingedly mounted on said at least one cradle. The guiding funnel has a plurality of slits for allowing passage of a plurality of pipelines therethrough for connection to a respective terminal on the funnel and for connection of each terminal to the wet Christmas tree.

Integrated base for oil drilling and production work

Growing community of inventors

Rio de Janeiro, Brazil

Cezar Augusto Silva Paulo