PRESS RELEASE:

3DGeo To Present at SEG 2001 International Exposition and Annual Meeting
Mountain View, Calif. August 6, 2001

3DGeo Inc., provider of seismic imaging software and services to the oil and gas industry, announces today that it will be making several presentations at The Society of Exploration Geophysicists (SEG) International Exposition & Seventy-First Annual Meeting. This year's meeting will be held Sunday, September 9, through Friday, September 14, in San Antonio, Texas. More than 250 exhibiting companies and 9,000 professionals from around the world are expected to be present at the meeting.

"The annual SEG meeting has evolved into the premier showcase of cutting-edge, energy-related technology," said Dimitri Bevc, President of 3DGeo. "3DGeo has attained great advances in our 3-D image quality and we look forward to sharing our new capabilities with the many oil and gas exploration professionals at the SEG meeting".

3DGeo will be giving presentations at the Sun Microsystems and BARCO Projection Systems booths on the exhibit floor. Additionally, 3DGeo will be conducting two technical sessions at the meeting. Please join 3DGeo at each of these.

The schedule is as follows:

Sun Microsystems Booth: #3713 Workstation Demonstrations:
Monday and Tuesday (Sept. 10, 11), 2:00-3:30 pm, Wednesday, Sept. 13, 9:00-10:00 am.

Theatre Presentations:
Monday, Tuesday, Wednesday (Sept. 10 - 12) 5:30-6:00pm.

BARCO Projection Systems Booth: #1401

Theatre Presentations:
Monday, Tuesday, Wednesday (Sept. 10 - 12) 10:00-10:30 am and 12:00-12:30 pm.

Technical Sessions:
Monday, Sept. 10, 3:35pm
3-D Residual Velocity Analysis and Update Toolkit for Offset-domain Prestack Depth Migration --
Wei Liu*, Dimitri Bevc, Alexander M. Popovici, 3DGeo Inc.; Biondo Biondi, Stanford Univ. (MIG 2.6)

Wednesday, Sept. 12, 2:45pm: 3-D Migration Velocity Analysis for Common Image Gathers in the Reflection Angle Domain --
Wei Liu*, Alexander M. Popovici, Dimitri Bevc, 3DGeo Inc.; Biondo Biondi, Stanford Univ. (MIG 1.4)

About 3DGeo
3DGeo Inc.'s (3DGeo) is a leading provider of advanced imaging software services for the oil and gas industry. 3DGeo helps oil and gas companies visualize 3-D earth structures and reduce the drilling risk associated with oil and gas exploration. Companies that use 3DGeo's services lower the cost of production, provide faster delivery
of oil and gas to the marketplace, and tap oil and gas from ever more challenging plays.

In 1997, 3DGeo developed an Internet-based seismic processing system (INSP) to deliver leading-edge seismic services over the Internet and Intranets. INSP enables exploration companies to directly control their critical seismic imaging projects, without purchasing and maintaining expensive hardware and software. The Internet collaborative platform allows clients to participate directly in the model building and interpretation of 3-D structures,
greatly shortening "time-to-drilling decisions". 3DGeo provides much shorter time between the acquisition of the data and the informed decision on where to drill.

3DGeo is a privately-owned company with Headquarters in Mountain View, CA.
For more information contact 3DGeo at info@3DGeo.com

About SEG
The Society of Exploration Geophysicists has more than 16,536 members working in 110 countries. SEG promotes the science of geophysics and the education of exploration geophysicists. The Society fosters the expert and ethical practice of geophysics in the exploration and development of natural resources, in characterizing the near-surface, and in mitigating earth hazards. SEG members search for oil, gas, and minerals using a wide variety of methods.Find out more at www.seg.org.

Public Relations by Topside Network
Joe Knox
phone: 510-207-2972
e-mail: jknox@topsidenetwork.com

3DGeo Development Corporation
Dimitri Bevc
email: dimitri@3DGeo.com

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