Low permeability oil and gas resources are rich and have great potential all over the world,
which has gradually become the main goal of oil and gas development. However, after …

Cyclic gas injection effectively enhances oil recovery for low-permeability oil reservoirs.
Numerous theoretical, mathematical, and laboratory investigations have attempted to unlock …

One of the challenges in extracting oil from unconventional resources using hydraulic
fracturing and horizontal drilling techniques is the low primary recovery rate, which is caused …

1School of Civil and Resources Engineering, University of Science and Technology Beijing,
Beijing 100083, PR China 2Research Institute of Exploration and Production, Sinopec …

Flue gas injection into subsurface formations has emerged as a promising approach for
enhanced oil and gas recovery, as well as geological carbon sequestration. Extensive …

Shale and tight oil reservoirs, with horizontal wells and hydraulic fractures, typically have a
recovery ratio of around 10%. The exploration of tight oil and shale in North America has …

Cyclic gas injection methods have been shown to improve oil recovery in conventional
reservoirs. Even though similar technologies have been used in unconventional reservoirs …

Molecular diffusion dominates over pressure-driven convection as the major mass transport
mechanism in nanoporous media with< 10-nm pores, which is typical pore size for shale gas …

The hydrocarbon generation potential of source rocks in the high-rise area of the Western
Depression of the Liaohe Basin is high. However, the source of the oil is still unclear. The …

Recovery factors associated with primary recovery (pressure depletion) schemes are often
small (< 5–10%) for low-permeability hydrocarbon reservoirs. As a result, cyclic solvent …