TGS Adds Production Data to Online Well Data Collection

TGS has added Production Data from nine key Rocky Mountain states to its well database, the first phase in a national rollout to be completed during 2009. The combination of log and production data into a single, integrated, online delivery channel represents a significant step forward in data acquisition efficiency and cost reduction for our clients.

Production data tracks the output of oil, gas and water produced by a well, lease or formation, along with other information related to the location and nature of the well. TGS has developed systems to source the production data directly from the states responsible for collecting the information from well operators. The Oil and Gas industry uses this data in a variety of applications, to help measure and forecast the performance of reservoirs and to determine the value of assets.

Leveraging its expertise in data sourcing, quality control and online delivery gained from the ongoing expansion of what is already the world’s largest well log database, TGS will be a strong player in the market for this data, so critical to E&P operators. Production Data from TGS will be available both as part of a subscription plan, wherein the data will be constantly updated, and as static Snapshot Reports, providing a quick-look option for individual wells.

“For years the market has sought a viable alternative for this key dataset,” commented John Adamick, Senior Vice President, TGS Geological Products and Services. “TGS is offering flexibility in providing not just a traditional subscription approach, but Snapshot Reports fully integrated with our well log library to enhance the value of both data types.”

Data from Montana, North Dakota, South Dakota, Wyoming, Utah, Colorado, New Mexico and Arizona is available now. In addition, legacy information from non-producing Idaho wells is included in the library. The next phase of the rollout will add data from the Gulf of Mexico and Gulf Coast states, including Oklahoma, Texas, Louisiana, Alabama, Georgia and Florida.

TGS-NOPEC Geophysical Company (TGS) is a principal resource for global geoscientific data products and services in the E&P industry. TGS specializes in the design, acquisition and processing of multi-client seismic surveys worldwide and delivers advanced high performance seismic imaging and software solutions. The Company also provides the world's largest online well-log database, well data management services, multi-client interpretive products and subsurface consulting services to industry. The suite of integrated exploration data products available from TGS is distinctive and unmatched. The Company philosophy is to create unique high-quality data collected in the right place at the right time.

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 product 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 reason.

TGS-NOPEC Geophysical Company ASA is listed on the Oslo Stock Exchange (OSLO: TGS).