... and coupled with the flow model in order to be able to study the mutual effect of pressure and stresses and the resulting effect on fracture propagation and injectivity. The mechanical properties for this model are listed in Table 1. The listed value with the exception of grain Modulus are all extracted...

... of various rock and fluid properties on stimulation to minimize the risk of unwanted fracture geometries. This paper describes the development of a 2D coupled displacement discontinuity numerical model for simulating fracture propagation in simulta neous and sequential hydraulic fracture operations...

... Artificial Intelligence explicit-implicit crack description experiment finite element method hydraulic fracturing regime singularity solid deformation Engineering XFEM fracture propagation hydraulic fracture problem Upstream Oil & Gas international journal crack tip...

... represents the magnitude of the elastic stress singularity at the tip of a fracture of the length 2a subjected to a uniform stress . With this concept, it is possible to formulate a simple fracture propagation criterion K =KC . The fracture propagates when K reaches a critical value KC (fracture toughness...

... bedding angle minimum principal stress distribution fracture Reservoir Characterization Upstream Oil & Gas heterogeneous rock perforation angle rock specimen hydraulic fracturing fracture evolution process initiation fracture propagation propagation Chapter 24 Numerical Simulation...

... ABSTRACT This work presents theory for modeling of fracture propagation within reservoir simulator, history matching of field injection pressure using uncoupled and fully coupled geomechanical injection models, and sensitivity study of various parameters such as permeability enhancement...

... the onset of propagation. The obtained solution for transient pressurization of a stationary crack provides initial conditions to the fracture propagation problem. 1. Introduction The problem of injection of a low-viscosity fluid into a pre-existing fracture may arise in several rock engineering areas...

... Artificial Intelligence Upstream Oil & Gas complex reservoir natural fracture hydraulic fracturing hydraulic fracture propagation horizontal differential stress neuron fracture propagation machine learning neural network natural fracture interaction interaction activation...

... a method of detecting localised fracturing that potentially requires only one channel. The method is based on the notion that the fracture propagation involves generation of acoustic events from its contour. It is proposed that the number of events (microcracks) generated at each step of fracture...

...Chapter 8 Hydraulic Fracture Propagation Across a Weak Discontinuity Controlled by Fluid Injection Dimitry Chuprakov, Olga Melchaeva and Romain Prioul Additional information is available at the end of the chapter httpdx.doi.org/10.5772/55941 Abstract We investigated the problem of a hydraulic...

... journal fracture propagation plastic deformation cohesive element fracture potential impact microfracture Upstream Oil & Gas initiation tensile stress hydraulic fracture secondary fracture contact area propagation tensile strength mechanics Chapter 38 Secondary Fractures...