... Abstract The hydraulic fracture modeling is critical for the well dynamic performance and development optimization in the fractured condensate reservoir. The conventional approach based on LGR (Local Grid Refinement) is widely used but with low computational efficiency, and sometimes...

... It is assumed that the bedding layer slippage caused by shearing at the contact interface between the hydraulic fracture and the bedding layer has propagated and reached the maximum distance away from the fracture ( Li and Wu, 2022a ). Eq. 3 shows the calculation of the straightened stress...

... Abstract Multi-stage hydraulic fracturing has recently gained strong interest in unconventional plays in the Middle East due to high natural gas production potential. However, prevalent characteristics of the area, including high-pressure / high-temperature (HPHT) conditions and presence...

... Abstract The existence of faults, pre-existing hydraulic fractures, and depleted areas can have negative impacts on the development of unconventional reservoirs using multi-fractured horizontal wells (MFHWs). For example, the triggering of fault slippage through hydraulic fracturing can create...

... Norman firstly used clear water as the fracturing fluid to study the impact of pre-fractures in rock samples on the propagation path of hydraulic fractures through experiments. If the hydraulic fracture penetrates the pre- fracture, the propagation direction of the hydraulic fracture...

... and many other important factors are underestimated. Here we focus on advantages of fine-grid 3-D thermo-hydrodynamic modelling for interpretation of temperature surveys in horizontal wells with multiple fractures with account of detailed flow patterns in porous matrix, hydraulic fractures, and the smart...

... where, c is the half-length of fracture, m; Δσ x , Δσ y is the induced stress component in the × and y directions caused by hydraulic fracture, MPa; ⁏ τ xy is the shear stress in the shear direction, MPa 6 τ = σ x − σ y 2 sin 2 α + τ x y cos 2 α 7...

... The following assumptions are utilized for the mathematical formulation proposed in this study: The fractal object is defined by each hydraulic fracture and its SRV. The fractal objects are similar. Single-phase flow either oil or gas. The SRV has a square a square-shaped area i.e...

...Experiment procedure and scheme After putting the specimen into the hydraulic fracturing device, the stress was loaded perpendicularly to the artificial fracture, making the stress difference. When starting injection, the optical microscope began to record the fracturing process. After...

... towards developing tight reservoir is great; however, development can be very challenging due to stress and geomechanical properties effect in horizontal well placement and hydraulic fracturing design. Many parameters are known to be important to determine the suitable layer for locating horizontal well...

... bearing layer with thickness 13.1 m, net sand coefficient (0.74), porous type of reservoir with pressure 39.5 MPa and maximum temperature 115 °C. The porosity coefficient (0.13) and matrix permeability in an interval 0.001-0.0001 μ m 2 . In average, permeability of the hydraulic fractures is 392 μ m 2...

... flow as conductors (open fractures) or barriers (sealed fractures). Abu Dhabi carbonates are dissected by many fracture clusters, but most of them are sealed, therefore it is critical to investigate, which sets are predicted to reactivate. Hydraulic fracturing in horizontal drilling are the primary...

... for determining the optimal proppant packing ratio is drawn and compared with the Khanna's diagram. Most importantly, an optimal pumping schedule for stimulating the natural fractures or cleats around a hydraulic fracture is established, and the influences of proppant deformation and embedment on it are studied...

... to refracturing design and commercial viability. In addition, this technology is not only suitable for vertical wells, but also for horizontal wells. re-fracturing hydraulic fracturing oil production operation fracture upstream oil & gas oil layer procedure reservoir junggar basin fracture...

... and stimulation technologies for such complex tight reservoirs have become possible. These reservoirs are still challenging to produce due to their complex geology, tightness and requirements of advance production technologies such as hydraulic fracturing to achieve economical production rates. The gas flow...

... Abstract As part of a multi-disciplinary investigation to optimize a tight reservoir development in the Sultanate of Oman, a comprehensive geomechanical characterization was performed and its results used as input for 3D non-planar hydraulic fracturing simulations. The simulation results led...

... hydraulic fracturing spatial fractional exponent flow in porous media sandface flow rate Artificial Intelligence Fluid Dynamics flow rate pressure behavior productivity index wellbore pressure drop fractional exponent diffusion flow Upstream Oil & Gas exponent pressure drop...

... and elasticity, which made the situation more complex. Abstract The major challenges of shale reservoir development in Weiyuan gasfield are: (1)strong geologic heterogeneity, such as geo-stress, horizontal lamination, limited complexity and propagation of hydraulic fracture; (2)casing deformation, which...

... in-situ field, which in turn make fracture distribution become complicated as the range of fractures size and density is widespread. In this work, the finite element method is used to analysis flowback around hydraulic fracture among complex fractures networks, which consider the coupled effects of flow...

... learning computational time pressure distribution hydraulic fracture neural network initial state History saturation fracture Upstream Oil & Gas prediction reservoir model grid cell connectivity grid society of petroleum engineers deep learning training data oil saturation...