公开(公告)号：US20210254424A1

公开(公告)日：2021-08-19

申请号：US17274688

申请日：2019-09-09

Applicant: PETROLEO BRASILEIRO S.A. - PETROBRAS

Inventor： Roberto RODRIGUES

IPC: E21B33/038 ,  E21B43/017 ,  E21B43/013

Abstract: The invention relates to systems for producing oil and hydrocarbons in general, in deep water, using subsea wells and in apparatus which are interconnected in a drainage and production system. In this context, the invention relates to a mandrel multiplying device (1a, 1b, 1c, 1d, 1e, 1f) suitable for providing additional points between pieces of subsea apparatus, the device comprising a connector (2) for coupling to a mandrel of a subsea apparatus (8, 9), and at least two mandrels (3, 4, 5) suitable for providing points for connection to subsea lines (J1, J1′, J1″, J2, R1, R2, A1, A2, A3) which are connected to other pieces of subsea apparatus (8, 9) or to a production unit (13).