geospatiaL mapping and cadastre
This category features projects in which innovative and
cost-effective techniques have been used in digital mapping
or the production of maps and cadastral map products.
SGO Project — Petrobrás Subsea Assets Tracking petrobrás sa WINNER
The Obstacles Management System (SGO) is a
$20 million project in Brazil dedicated to the systematic mapping of surface and deep-sea obstacles.
Before SGO was created, a map of the target
region was created by a survey ship, and a detailed
map of the marine area was created and delivered.
This operation was very costly, took days to complete, and needed to be executed before any
equipment or pipe installation could take place.
A growing level of offshore activity in the Campos
basin increased the number of sea obstacles, and
Petrobrás saw the need for a greater degree of
planning. The company first commissioned a survey
ship to map the entire basin, and the initial database was used to generate a comprehensive map
of obstacles. Workers in the basins now send daily
reports of their activities to the Geodesy Management team, which updates the system overnight.
The 800 users of the system can access the
updated information online.
SGO is currently being used on any project involving offshore installations of pipes, platforms, and
wells in four oil basin areas, covering an area of
about 160,000 square kilometers with 40,000
registered obstacles. The firm’s goal was to eliminate environmental accidents — for example, a ship
anchoring near submarine pipes or a pipe overlapping another and causing a leak. The system
also decreases the cost of pipe installation because
workers can determine the path in advance. The
company also wanted the ability to research and
recover obstacles in the basin.
Developed using MicroStation, the new system
enables a user to simply select an area of interest
and all surface and deep-sea obstacles can be
quickly visualized in 3D, facilitating fast determination of obstacle characteristics. Savings from
the use of this system total as much as $100,000
per day by reducing the time required to install
pipelines by up to 40 percent.