Seismic support service for life-of-field monitoring for Shell, offshore Brazil

In February of 2020 RPS delivered geophysical support of field operations for the Shell BC-10 Life of Field project offshore Brazil. BC-10 is one of the significant milestones in the development and commercialisation of Brazil’s deep-water oil. This project is distinct among seismic operations as it involved a permanent reservoir monitoring system.

The seismic sensor cable array was installed on the seafloor in 2013 with the intent of monitoring the life of the BC-10 field with successive short-duration seismic source programs. This design streamlines the process of higher generation acquisition by removing the need for receiver deployment and recovery time and guaranteeing consistency of receiver positions by leaving the cables in their original location on the seabed. The seismic data collected is used to detect, monitor, and plan for changes in the subsurface as the field is developed.

RPS has been involved in the BC-10 Life of Field Project since 2011 starting first with the factory acceptance testing of the OYO Geospace’s GeoRes SubSea seismic array system in Houston. RPS has since worked for Shell on this project supporting all of the infield seismic surveys for the BC-10, starting with the original 2013 baseline survey. Since that time, RPS has worked on five monitor surveys with the January 2020 survey being the most current.

To ensure consistency and knowledge retention through these seismic surveys, RPS has used the same specialist since the inception of the work and deployed a seismic processing workstation with processing flows prepared by RPS.

The seismic recording room and QC processing centre for this project are located onboard the massive floating production, storage and offloading (FPSO) vessel, Espírito Santo. RPSs knowledge of these systems and data and the retention of knowledge over time has helped deliver consistent success for Shell, year over year.

RPS’ highly talented seismic acquisition and QC processing team ensure consistency and knowledge retention through these seismic surveys for Shell offshore Brazil.

 

Project history

2013 to 2020

  • 2013

    Baseline Survey - completed on November 28th

  • 2014

    Monitor-1 Survey - completed on July 2nd

  • 2015

    Monitor 2 - completed on February 28th

  • 2016

    Monitor-3 - completed April 9th

  • 2017

    Monitor 4 - as part of the 3D Streamer Survey over Ostra and B West

  • 2020

    Monitor 5 - completed on February 4th, 2020

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2013

Baseline Survey - completed on November 28th

2014

Monitor-1 Survey - completed on July 2nd

2015

Monitor 2 - completed on February 28th

2016

Monitor-3 - completed April 9th

2017

Monitor 4 - as part of the 3D Streamer Survey over Ostra and B West

2020

Monitor 5 - completed on February 4th, 2020

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Tony LaPierre

Technical Director - Seismic Operations and Site Investigations +1 281 448 6188 EMAIL
Houston - Chasewood | US

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