Hydraulic fracturing is an efficient stimulation means for the exploitation of unconventional
oil/gas resources as well as geothermal energy. However, there are several issues for …

Supercritical carbon dioxide (SC–CO 2) is a promising fracturing fluid with unique
properties, making it well-suited for unconventional reservoir stimulation. Laboratory …

Abstract Liquid nitrogen (LN 2) fracturing, as an environmentally friendly waterless fracturing
technology, is given more and more attention in coalbed methane (CBM) exploitation. In this …

Unconventional resources such as shale gas have attracted increasing global attention with
great potential to bridge the energy supply chain. Yet the technical challenges and …

To reveal the breakdown mechanism of dry hot rock (HDR) induced by liquid nitrogen (LN)
fracturing, the laboratory tests were performed on high temperature granite using …

Abstract Liquid nitrogen (LN 2) fracturing, as a waterless and environmentally friendly
fracturing technology, has a broad application prospect in coalbed methane (CBM) …

The deep shale gas reservoirs are characterized by great burial depth, high formation
pressure, high temperature. During the hydraulic fracturing process, the fracturing fluids will …

Under the high temperature and high stress geological environment, how the physical and
mechanical properties of deep shale reservoirs will change has become a hot research …

Unconventional reservoirs have ultra-low permeability, and the combination of horizontal
wells and multistage transverse hydraulic fracturing have unlocked economical hydrocarbon …

To reveal the damage characteristics of high-temperature granite caused by liquid nitrogen
(LN) treatment, ultrasonic, Brazilian splitting, and acoustic emission (AE) tests were …