Publications by Guanyi Lu | EPFL Graph Search

Related publications (8)

Effects of velocity-dependent apparent toughness on the pre- and post-shut-in growth of a hydraulic fracture

We investigate the growth of a plane-strain/radial hydraulic fracture in an infinite impermeable medium driven by a constant injection rate assuming that the apparent toughness scales with the decreasing fracture growth rate in a power-law relation. The vi ...

ELSEVIER SCI LTD2022

Improving the Accuracy of Fracture Toughness Measurement in Burst Experiments

Guanyi Lu

Experimental studies suggest that the fracture toughness of rocks increases with the confining pressure. Among many methods to quantify this dependency, a so-called burst experiment (Abou-Sayed, 1978) may be the most widely applied in practice. Its thick w ...

SPRINGER WIEN2022

Experimental Investigation of Hydraulic Fracture Closure in a Porous Sandstone

Brice Tanguy Alphonse Lecampion, Seyyedmaalek Momeni, Guanyi Lu, Mohsen Talebkeikhah

Depending on the type of fracture propagation regime when the injection stops, the closure of the fracture may occur exactly after the injection ceases, in the case where the fracturing process is dominated by fracture energy, or the fracture propagate for ...

Onepetro2022

Modeling of solids particle diversion to promote uniform growth of multiple hydraulic fractures

Guanyi Lu

Solid particulate additives are sometimes used to promote the uniform growth of multiple hydraulic fractures in horizontal oil and gas wells. The principle is that solid particulates block, accumulate, and form larger porous plugging zones preferentially a ...

ELSEVIER2023

Experimental investigation of hydraulic fracture growth in an anisotropic rock with pre-existing discontinuities under different propagation regimes

Brice Tanguy Alphonse Lecampion, Seyyedmaalek Momeni, Guanyi Lu

Laboratory experiments have been carried out to investigate the growth of hydraulic fracture (HF) in an anisotropic rock with pre-existing discontinuities such as bedding planes and veins. The experiments are designed in light of scaling relationships that ...

2022

Weakening effect of various pore fluids on the tensile strength of granite

Guanyi Lu

Laboratory three-point bending experiments are carried out to evaluate the effect of various fluids on the tensile strength of granite. The granite specimens were tested under both dry and saturated conditions. The fluids used to saturate the granite inclu ...

SPRINGER HEIDELBERG2022

Dataset for manuscript: Rock anisotropy promotes hydraulic fracture containment at depth

Brice Tanguy Alphonse Lecampion, Carlo Peruzzo, Seyyedmaalek Momeni, Guanyi Lu, Fatima-Ezzahra Moukhtari

This is the experimental data used in manuscript: "Rock anisotropy promotes hydraulic fracture containment at depth". This data set has 5 folders: K1, T2, M3 and M4 contain the raw data collected by active acoustic monitoring system and various pumps and t ...

EPFL Infoscience2023

Rock Anisotropy Promotes Hydraulic Fracture Containment at Depth

Brice Tanguy Alphonse Lecampion, Carlo Peruzzo, Seyyedmaalek Momeni, Guanyi Lu, Fatima-Ezzahra Moukhtari

2024