TGS Announces Its First 3D Multi-Client Seismic Survey Offshore Brazil

TGS Announces Its First 3D Multi-Client Seismic Survey Offshore Brazil 
HOUSTON, TX -- (Marketwired) -- 11/13/13 --  TGS, in partnership with
Dolphin Geophysical, will commence acquisition of a new 3D
multi-client survey, Olho de Boi, covering 5,000 km2 offshore Brazil.
The survey is designed to image pre-salt plays in the hydrocarbon
rich Campos Basin and is located northeast of the Pao de Acucar
discovery in an area of similar structural and stratigraphic
"The Olho de Boi survey will be TGS' first 3D survey in Brazil,"
stated Rod Starr, Senior VP Western Hemisphere for TGS. "The Company
has conducted considerable geologic review and reprocessing of
existing 2D data to ensure strategic placement of the survey in a
highly prospective area in the Campos Basin. We expect this 3D survey
will be of high interest to the industry for future lease round
The seismic data will be acquired by the M/V Sanco Swift. Data
processing will be performed by TGS using its proven proprietary
broadband processing technology, Clari-Fi(TM). Data will be available
to clients in Q4 2014. 
Company summary  
TGS-NOPEC Geophysical Company (TGS) provides multi-client geoscience
data to oil and gas Exploration and Production companies worldwide.
In addition to extensive global geophysical and geological data
libraries that include multi-client seismic data, magnetic and
gravity data, digital well logs, production data and directional
surveys, TGS also offers advanced processing and imaging services,
interpretation products, permanent reservoir monitoring and data
integration solutions. 
For more information visit TGS online at 
Forward-looking statements and contact information 
All statements in this press release other than statements of
historical fact are forward-looking statements, which are subject to
a number of risks, uncertainties and assumptions that are difficult
to predict, and are based upon assumptions as to future events that
may not prove accurate. These factors include TGS' reliance on a
cyclical industry and principal customers, TGS' ability to continue
to expand markets for licensing of data, and TGS' ability to acquire
and process data products at costs commensurate with profitability.
Actual results may differ materially from those expected or projected
in the forward-looking statements. TGS undertakes no responsibility
or obligation to update or alter forward-looking statements for any
TGS-NOPEC Geophysical Company ASA is listed on the Oslo Stock
Exchange (OSLO: TGS). 
TGS sponsored American Depositary Shares trade on the U.S.
over-the-counter market under the symbol "TGSGY". 
For additional information about this press release please contact:  
Kristian Johansen
Chief Financial Officer
Cell: +47 47 60 33 34
Will Ashby
Director Investor Relations and M&A
Tel: +1 713 860 2184 
Rod Starr
Senior VP Western Hemisphere
Tel: +1 713 860 2100
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