Earth Sciences: Geology: Petroleum: Consulting: Page 3

Services include geology, geophysics and biostratigraphy.

Consulting firm providing data on most former Soviet Union oil and gas fields and assistance in establishing contacts with Russian oil companies.

Development petroleum engineering consultants offering expertise in oil and gas field development.

Mud logging, formation evaluation, applied geochemistry, reservoir management, basin analysis-mathematical modeling, information management systems.

Geological consulting for exploration and development.

Acreage appraisal, project management, and office set-up experience. Projects include Oman, Yemen, Egypt, Pakistan and Sudan.

Consulting petroleum geologists specializing in petrophysics, reservoir characterization, mapping and stratigraphy.

Specializing in the processing and analysis of dipmeter and borehole image data.

Engaged in a subscription study of the underexploited shallow gas potential of the Edmonton and Paskapoo in the W5 area, Canada.

Worldwide geologic, geophysical, engineering and training services in carbonate rocks for the oil industry.

Specializing in finding new reservoirs in South Louisiana by unraveling complex salt-related structures and locating significant bypassed and/or overlooked zones.

Desorption specialists for the coalbed methane industry.

On-site geological consultant for drilling operations. Experienced in detecting and dealing with abnormal pressures.

Geological and geophysical reservoir evaluation, well planning and execution, 3D reservoir modeling.

Basin modeling, including analysis of porosity evolution, hydrocarbon migration patterns and predictions of the hydrocarbon types.

Acquires and analyzes 3-d seismic data used in determining whether subsurface geologic conditions appear favorable for the accumulation of oil and natural gas. (Nasdaq: DWSN).