Sug.



- flowline (Schlumberger Oil Glossary)
1. n. [Drilling] ID: 1398
The large-diameter metal pipe that connects the bell nipple under the rotary table to the possum belly at the mud tanks. The flowline is simply an inclined, gravity-flow conduit to direct mud coming out the top of the wellbore to the mud surface-treating equipment. When drilling certain highly reactive clays, called "gumbo," the flowline may become plugged and require considerable effort by the rig crew to keep it open and flowing. In addition, the flowline is usually fitted with a crude paddle-type flow-measuring device commonly called a "flow show" that may give the driller the first indication that the well is flowing.

- 13 jan. 2011 ... A Petrobras vai fornecer linhas de fluxo flexíveis e jumpers flexíveis, masa instalação será da responsabilidade do contratante, ...
blogonip.blogspot.com/.../subsea7-deve-ganhar-concorrencia-de-590.html

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Creio que para entender a expressão é essencial considerar o "single" que vem antes de "flowline". A minha sugestão então é para "single flowline jumper". (Sistema de) interligação em linha de fluxo única, caracterizado por uma única linha de fluxo. V. exemplo abaixo:

“... Cluster Well Manifold - A gathering manifold is employed where several individual subsea wells are grouped together, typically at a common drill center. Each well flows via a single flowline jumper to the manifold, which connects to the host platform or production facility ...”


http://www.jylpipeline.com/UKC2002.pdf