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Damage Analysis of High-Temperature Rocks Subjected to LN2 Thermal Shock
Liquid nitrogen (LN2) fracturing is a technology that can dramatically enhance the stimulation performances of high-temperature reservoirs, such as hot dry rock geothermal and deep/ultra-deep…
Variations of Physical and Mechanical Properties of Heated Granite After Rapid Cooling with Liquid Nitrogen
To determine the effect of liquid nitrogen (LN2) cooling on the damage of heated rock, we conducted a series of physical and mechanical tests on Shandong granite samples. These granites were first…
Liquid Nitrogen Fracturing in Boreholes under True Triaxial Stresses: Laboratory Investigation on Fractures Initiation and Morphology
Multistage hydraulic fracturing is widely used in developing tight reservoirs. However, the economic and environmental burden of freshwater souring, transportation, treatment, and disposal in…
Investigation on the damage of high-temperature shale subjected to liquid nitrogen cooling
An Experimental Investigation of Cyclic Cryogenic Fracturing in Coalbed Methane Reservoirs
Numerical and experimental analysis of hot dry rock fracturing stimulation with high-pressure abrasive liquid nitrogen jet
Laboratory investigation on cryogenic fracturing of hot dry rock under triaxial-confining stresses
An innovative experimental equipment for liquid nitrogen fracturing.
- Pengpeng Huang, Zhongwei Huang, Zheqi Yang, Xiaoguang Wu, Ran Li, Shikun Zhang
- Materials ScienceThe Review of scientific instruments
- 19 March 2019
A new device is designed to research the effect of LN2 fracturing under different conditions, such as different specimen sizes, temperatures, and confining pressures, which lays a foundation for the application of Ln2 fracturing in both conventional and geothermal reservoirs.
Incorporating the effects of elemental concentrations on rock tensile failure
Design of integration test system for liquid nitrogen jet experiment.
- H. Shi, Shikun Zhang, Xiaoguang Wu, Ran Li, Hongyuan Zhang, Pengpeng Huang
- Engineering, PhysicsThe Review of scientific instruments
- 1 December 2018
An integration test system is put forward to study the feasibility of the LN2 jet in fracturing operation and can provide theoretical supports for Ln2 jet fracturing technology.