Patent ID: 7516795
Filing Date: 2009-04-14
Classification: E21B

Abstract:
1. A subsea petroleum production system for artificial lift, installed downstream of a Wet Christmas Tree (WCT), comprising: a pumping module comprising at least one submersible centrifugal pump (SCP) and a base structure for protecting the at least one SCP against external forces, said at least one SCP being inclined with respect to the vertical direction at an inclination angle of up to 85 degrees from the vertical direction, wherein the flow in said at least one SCP is ascending, and a flow base coupled to said pumping module, provided with an upstream hydraulic connection that receives a petroleum production flow and a downstream connection to a production line, fitted with installation devices and a panel for effecting electrical connections; wherein the system is installed on a seabed permitting the petroleum production flow to bypass the pumping module.