Tight oil reservoirs are contributing a major role to fulfill the overall crude oil needs,
especially in the US. However, the dilemma is their ultra-tight permeability and an …

Primary oil recovery from fractured unconventional formations, such as shale or tight sands,
is typically less than 10%. The development of an economically viable enhanced oil …

In recent times, particularly in the 21st century, there has been an alarming increase in the
demand for global energy, along with continuous depletion in conventional oil reservoirs …

CO 2 injection into petroleum reservoirs is an effective enhanced oil recovery (EOR) method
that can increase the recovery of oil while reducing CO 2 emissions into the atmosphere. To …

Carbon dioxide and hydrocarbon gases including methane, ethane, propane, and produced
gas (69.5/21/9.5 mol ratio of methane/ethane/propane) were used to recover oil from rock …

Rock core samples (51) from multiple lithofacies and depths were collected from 10 wells
located throughout the Bakken Petroleum System. Each 11.2 mm diameter core was …

In part 1 (10.1021/acs. energyfuels. 9b01177), CO2 was used to recover oil from 51 source
shale and reservoir mudrock cores collected from the Bakken Petroleum System in the …

Fracturing is the necessary means of tight oil development, and the most common fracturing
fluid is slickwater. However, the Loess Plateau of the Ordos Basin in China is seriously short …

CO2 injection has great potentials to improve the oil production for the fractured tight oil
reservoirs. However, Current works mainly focus on its operation processes; full examination …

A tight conglomerate reservoir is a kind of unconventional reservoir with strong
heterogeneity, and CO2 injection is an economical and environmentally friendly method to …