Geostatistical software for reservoir studies. PC software for reservoir simulation. Consulting and training.

Accounting software for petroleum producers and investors. Based in Oklahoma City.

Bringing remote oil well data to the desktops of engineers. Based in Oxford, UK.

Provides real-time data collection, production reporting, trending, monitoring and control -via the Internet- for the oil and gas industry.

Provides software tools for the flow measurement engineering.

Developer of the GEO Software Suite of applications for petroleum wellsite and operations geologists. Headquarters in Norwich, UK.

Software, consulting and training services for the petroleum and geotechnical industries. Specialists in in-situ stress analysis, wellbore stability, wellbore image analysis and drilling engineering.

Oil and gas software company from Argentina, describing software for analysis of oil well production and perforation.

Offering a series of spreadsheets designed for reservoir evaluation, facilities design, well stimulation, and economic evaluation/projection.

Quantitative reservoir models incorporating seismic,well log, petrophysical and geostatistical elements. Related consulting.

Oil and gas well production testing software and electronic data entry and transfer.

Free software for evaluation and production engineering of natural gas reservoirs.

Economic evaluation software for wells and producing properties. Based in Colorado Springs, Colorado.

Includes software for reservoir optimization, frac design, thermal stimulation, sand control, wellbore stability, horizontal drilling and underbalanced drilling. Located in Calgary, Alberta, Canada.

Using permanent optical fiber and sensors to provide real time whole-wellbore and whole-reservoir data.

Simulates the complete operation of an offshore oil or gas field and enables the user to optimize the production, export and transportation.

Integrated enterprise information systems for exploration and production operators. Located in Calgary, Alberta, Canada.