US 11,920,722 B2 · Intervention drive system comprising an umbilical

Intervention drive system comprising an umbilical

AssigneePetroleo Brasileiro S.A. - Petrobras

InventorsHugo Francisco Lisboa Santos, Ney Robinson Salvi Dos Reis, Maurício Galassi, Lincoln Homero Thome Ferreira, Igor Mendes Ursine Krettli, Hardy Leonardo Da Cunha Pereira Pinto, Tiago Becker, Rafael Antônio Comparsi Laranja, Luciana Porcher Nedel, Laura Amaya Torres, Jose Abel Ticona Larico, Jaime Andrés Riascos Salas, Gabrielle Almeida De Souza, Filipe Paixão Geiger, Fabiano Disconzi Wildner, Eduardo Antonio Wink De Menezes, Eduardo Donadel Basso, David Steeven Villa Salazar, Eduardo André Perondi, Anderson Maciel, Dante Augusto Couto Barone, Juliano Morato Franz

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Abstract

The present invention relates to an intervention drive pig comprising an umbilical. In this scenario, the present invention provides an intervention drive pig comprising an umbilical, wherein the umbilical (6) is manufactured from a low-density material, wherein the umbilical (6) comprises an external covering of material having a low coefficient of friction.

Claims9

Dependent claims

An intervention drive pig comprising an umbilical comprising a first material of low density and wherein the umbilical comprises an external covering of a second material of low coefficient of friction, wherein the second material comprises polyvinylidene fluoride (PVDF) or molybdenum disulphide.

Dependencies are inferred from the claim text.

Facts

Application

17/288,662Filed 24 Oct 2019

Priority

BR 102018072062726 Oct 2018

Published

US 2021/0396342 A123 Dec 2021

Granted

5 Mar 2024

Term ends

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Classification13 codes

F16L 55/46
Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means: launching or retrieval of pigs or moles
B08B 9/049
Using cleaning devices introduced into and moved along the pipes: having self-contained propelling means for moving the cleaning devices along the…
B08B 9/0535
Moved along the pipes by a fluid, e.g. by fluid pressure or by suction: the cleaning device being restricted in its movement by a cable or the like
B08B 9/055
Moved along the pipes by a fluid, e.g. by fluid pressure or by suction: the cleaning devices conforming to, or being conformable to, substantially…