With the recent abrupt fluctuations in oil pricing and the need of complying with
environmental and social requirements, nowadays it is an urgent call for the oil and gas …

CO 2 foam fracturing fluid has the advantages of water saving and environmental protection,
which has been widely used in unconventional oil and gas reservoir. However, there are still …

Our previous study (Song et al., 2018) proposed a novel enhanced geothermal system
(EGS) with multilateral wells and demonstrated that it had greater heat extraction …

The complex fracture network is necessary to provide flow and heat transfer channels for
working fluid of an enhanced geothermal system (EGS). It is significant to compare heat …

Research efforts towards CO 2 enhanced geothermal systems (CO 2-EGS) are increasing
due to potentially high heat extraction efficiencies. It is well known that CO 2 properties are …

The interaction between hydraulic fractures and natural fractures have significant influence
on the geometry of hydraulic fracture network in fractured reservoirs. In previous …

Greenhouse gas emissions have led to severe global climate change, and countries around
the world are taking measures to mitigate the greenhouse effect caused by carbon …

Supercritical CO2 pneumatic fracturing technology has promising applications in petroleum
and shale gas extraction. A true triaxial supercritical CO2 pneumatic fracturing experimental …

A CO 2 enhanced geothermal system (EGS) with multilateral wells is proposed to exploit hot
dry rock (HDR) in this paper. For this EGS, several upper injection and lower production …

Conventional heavy oil recovery method of saturated steam injection at heel-point of
horizontal wellbores is facing comparatively more serious fingering phenomenon. With this …