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Experimental study of the effect of natural fracture curvature on hydraulic fracture propagation behavior [PDF]

open access: yesScientific Reports
The interaction mechanism between hydraulic fractures (HF) and natural fractures (NF) constitutes a critical research focus in hydraulic fracturing optimization.
Xun Gong   +5 more
doaj   +2 more sources

A new chart of hydraulic fracture height prediction based on fluid–solid coupling equations and rock fracture mechanics [PDF]

open access: yesRoyal Society Open Science, 2018
The conventional method to predict hydraulic fracture height depends on linear elastic mechanics, and the typical Gulrajani–Nolte chart fails to reflect fracture height when the net pressure in the fracture is too high.
Xiaoqiang Liu   +5 more
doaj   +2 more sources

Numerical Investigation of the Fracturing Effect Induced by Disturbing Stress of Hydrofracturing

open access: yesFrontiers in Earth Science, 2021
Fracturing induced by disturbing stress of hydraulic fracturing is the frontier common core scientific problem of reservoir stimulation of coal bed methane and shale gas.
Xinglong Zhao   +3 more
doaj   +1 more source

The Investigation on Initiation and Propagation of Hydraulic Fractures in Shale Reservoir

open access: yesGeofluids, 2021
Hydraulic fracturing is a necessary technique for shale gas exploitation. In order to have efficient stimulation treatment, a complex fracture network has to be developed, whereas with rich bedding planes and natural fractures, the mechanism of forming a
Xiangjun Liu   +5 more
doaj   +1 more source

Fluid-Solid Coupling Mechanism of Shale Hydraulic Fracture Propagation Based on True Triaxial Test and Numerical Analysis [PDF]

open access: yesLithosphere, 2023
Hydraulic fracture propagation has a great influence on reservoir reconstruction in shale gas exploitation. The study on mechanism of hydraulic fracture propagation is important.
Bohu Zhang   +4 more
doaj   +1 more source

Experimental and Numerical Investigation on Hydraulic Fracture Propagation Law of Composite Rock Materials considering the Disturbing Stress Effect

open access: yesGeofluids, 2021
The stress disturbance effect will significantly affect the propagation path of hydraulic fractures in the composite rock reservoir. To reveal the influence mechanism of stress disturbance effect on the hydraulic fracture propagation, several groups of ...
Xin Zhang, Yuqi Zhang, Tao Zhang
doaj   +1 more source

Experimental Study on Vertical Propagation Behavior of Hydraulic Fracture Affected by Artificial Interlayer for Thick Oil Reservoirs

open access: yesGeofluids, 2022
Crude oil distribution in thick oil reservoirs is vertically heterogeneous; therefore, there is usually a dominant sublayer where oil resources are higher than that in other sublayers.
Beibei Chen   +5 more
doaj   +1 more source

A numerical investigation on the performance of hydraulic fracturing in naturally fractured gas reservoirs based on stimulated rock volume

open access: yesJournal of Petroleum Exploration and Production Technology, 2020
All reservoirs are fractured to some degree. Depending on the density, dimension, orientation and the cementation of natural fractures and the location where the hydraulic fracturing is done, preexisting natural fractures can impact hydraulic fracture ...
Ali Al-Rubaye, Hisham Khaled Ben Mahmud
doaj   +1 more source

Mechanisms for the Generation of Complex Fracture Networks: Observations From Slant Core, Analog Models, and Outcrop

open access: yesFrontiers in Earth Science, 2022
We use observations of hydraulic fractures in core, outcrop attributes of natural hydraulic fractures, and analogue models, to address how hydraulic fracture networks evolve.
Bethany Rysak   +3 more
doaj   +1 more source

Numerical Simulation of the Influence of Natural Fractures on Hydraulic Fracture Propagation

open access: yesGeofluids, 2020
According to the theory of plane mechanics involving the interaction of hydraulic and natural fractures, the law of hydraulic fracture propagation under the influence of natural fractures is verified using theoretical analysis and RFPA2D-Flow numerical ...
Song Yaobin   +3 more
doaj   +1 more source

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