Category: 2. EOR

The following is the figures of research activities in oil and gas industry for the year of 2013: Schlumberger receives the highest number of granted…

During the primary stage, oil with higher viscosity reaches an economic limit of oil production rate earlier compared to oil with lower viscosity. High viscosity…

In EOR projects with chemical, flooding the core by several chemicals is a In EOR projects with chemicals, flooding the core by several chemicals is…

At the initial state, some oil reservoirs have zero percent water cut at initial water saturation. This condition is an indication of zero water relative…

Compared to previous year, granted patent in 2012 for 6 major service, oil and gas companies increase 9%. Schlumberger Technology Corporation (Sugar Land, TX) was…

In heterogenic reservoirs such as carbonate reservoirs, bypassed oil or hydrocarbons  is typically  left  somewhere in the reservoir.  We can easily identify bypassed oil or…

It is important to determine fluid distribution after injecting certain volume of fluid into a reservoir. Material balance method combined with Darcy’s and EOS (Equation…

Water accumulation around wellbore can block flammable hydrocarbon gas and liquid flow into the oil and gas well. The water builds high capillary pressure. High…

Some oil and gas companies maintain many oil wells routinely as part of operational risk management. Replacing defect tubing, cleaning the solid deposit, stimulation, installing…

Based on data research companies in 2011, 6 major oil companies and service companies produce more than 1000 granted patents.  The company with the highest…