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Produced water treatment system for enhanced oil recovery

June 26, 2012
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ERLANGEN, Germany — Siemens Energy is supplying SNF SAS, France, a chemical company specialized on polymers, with a produced water treatment system as part of the company''s plant expansion in the Petrocedeño oil field, located in the Orinoco Belt in Venezuela.

The system includes a Spinsep vertical flotation unit and a Monosep high flow walnut shell filter to treat 10,000 BWPD (barrels water per day) of produced water as part of the Petrocedeño EOR Polymer Field Test Project.

The equipment is scheduled to be operational by the end of October 2012 and will be deployed on site in 2013.

The Siemens'' Spinsep flotation skid-mounted unit will be supplied for a water treatment system in the Petrocedeño oil field in Venezuela.

The produced water treatment system used on this project will enable the polymer plant to mix the treated water with their polymers for reinjection in the well to enhance oil recovery. Water will first flow to the Spinsep system for primary oil/water separation and then flow through the Monosep high flow walnut shell filter for tertiary treatment.

The vertical design and compact footprint of both the Spinsep flotation system and the Monosep high flow walnut shell filter makes the system more economical than a typical flotation system. Additionally, the internal scrubbing design of the walnut shell filter eliminates external backwash system and its associated pumps, making operation easier and more trouble-free.

SNF is the world leading manufacturer of polymers used in water treatment, oil and gas, and mineral extraction applications. It is headquartered in France, with several R&D and production facilities throughout Europe, the Americas and Asia. SNF SAS is the contracting company for this project.

Petrocedeño is a joint venture between Venezuela-based PDVSA (60%), France-based Total (30%) and Norway-based Statoil (10%). It is exploiting oil fields in the Orinoco belt of Venezuela. PDVSA is in charge of operating and developing the fields on this project.

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