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Keywords: particle
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Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference and Exhibition, May 4–6, 2021
Paper Number: SPE-204196-MS
... perforation fracturing materials petroleum engineer screenout wellbore scenario upstream oil & gas particle fluid distribution base case magnitude This paper investigates the fluid and proppant distributions under realistic conditions by utilizing CFD. Applying CFD allows for a broader...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference and Exhibition, May 4–6, 2021
Paper Number: SPE-204163-MS
... before the first two perforation clusters. Sieve analysis is conducted to understand the ability of fresh water to carry bigger particles of the mixture at different injection rates, proppant concentrations, and perforation configurations. The results show different fluid and proppant distributions...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference and Exhibition, May 4–6, 2021
Paper Number: SPE-204175-MS
... dune height particle injection rate tertiary fracture Hydraulic fracturing is an important well stimulation technique in which subsurface rock is fractured using a pressurized fluid. This technique is widely used in unconventional reservoirs which are known to have extremely low...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference and Exhibition, February 4–6, 2020
Paper Number: SPE-199727-MS
...>200,000) is described using the standard K-Ɛ turbulent viscosity model; a well-established and widely validated two-equation model with turbulent kinetic energy (k) and its dissipation (Ɛ) ( Tu et al. 2012 ). The dispersion of particles due to turbulent fluctuations is modeled using the discrete random...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference and Exhibition, February 5–7, 2019
Paper Number: SPE-194319-MS
... interactions between proppant particles, fracturing fluids, and fracture walls, we use the discrete element method (DEM) coupled with computational fluid dynamics (CFD). We calibrate our model using widely accepted bed-load transport measurements. The simulation domain involves a "T-type" intersection of...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference and Exhibition, February 5–7, 2019
Paper Number: SPE-194340-MS
... fractures usually is simulated following either the Eulerian-Eulerian approach or the Eulerian-Lagrangian approach. In the Eulerian-Eulerian approach, the fluid and the proppant particle are both treated as a slurry (i.e., a mixture of the fracturing fluid and proppant particles) and conservation of a...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference and Exhibition, February 5–7, 2019
Paper Number: SPE-194379-MS
... proppant settling velocity in the wellbore is different for each type of proppant. These differences are mainly due to the changes in the proppant concentration as well as the changes in the size and shape of proppant particles. The uneven proppant distribution between perforation clusters was mostly...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference and Exhibition, January 23–25, 2018
Paper Number: SPE-189841-MS
... shear and correlated with the observed proppant transport behavior. At least two sand transport mechanisms were observable in the slot flow tests. Small sand particles remained suspended in the fluid and were transported by convection. Large sand particles settled quickly, but top layers of the settled...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference and Exhibition, January 23–25, 2018
Paper Number: SPE-189856-MS
... proppant hydraulic fracturing dune Simulation fracturing fluid particle velocity fluid velocity experiment Drag Force tangential direction particle particle reynolds number fracturing materials Upstream Oil & Gas modeling inlet velocity hydraulic fracture fracture...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference, February 9–11, 2016
Paper Number: SPE-179127-MS
...-stressed sections of the interval. The first step used a specialized jetting nozzle to create circular notches and weaken the formation at target depths. The second step involved the pumping of a small volume of a composite fluid of degradable non-damaging fiber and particles that bridge at the fracture...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference, February 9–11, 2016
Paper Number: SPE-179144-MS
... diversion inside the created fracture induces additional branch fracturing by overcoming the stresses holding the natural fractures closed. Solid particles with different shapes and sizes are widely used as diverting agents during fracture treatments. The recommended particles should temporarily bridge...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference, February 9–11, 2016
Paper Number: SPE-179117-MS
... proppant distribution hydraulic fracturing orientation particle proppant concentration perforation wellbore perforation orientation Transport Efficiency One of the keys that determine the success of a hydraulic fracturing stimulation is the effectiveness of transporting proppants into...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference, February 9–11, 2016
Paper Number: SPE-179138-MS
..., mesh dependence of the fracture path, 3D representation of natural fractures and their intersections, closing of an opened fracture, or shear in fractures, are difficult to accurately capture using these techniques. The use of the smoothed particle hydrodynamics (SPH) method for simulation of fracture...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference, February 3–5, 2015
Paper Number: SPE-173338-MS
... Hydraulic fracturing modeling on new shaped proppants, based on the concept of particle “equivalent” specific gravity from Stokes Law, was conducted to evaluate the potential for increase in propped coverage area. This should translate to a production increase compared to conventional sand...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference, February 3–5, 2015
Paper Number: SPE-173339-MS
... Abstract The contributions of viscosity and elasticity to inhibiting proppant settling in gelled fracturing fluids are quantified and decoupled in this study. The settling velocity of a single particle under orthogonal shear flow was measured in a transparent Couette flow cell using automatic...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference, February 3–5, 2015
Paper Number: SPE-173346-MS
... generated from the shale fracture due to fracture face spalling, slope instability, and clay dispersion can migrate inside the fracture and are responsible for approximately 20% of the conductivity reduction. There is no evidence of crushed proppant particle migration in this study. Longer term rock creep...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference, February 4–6, 2014
Paper Number: SPE-168615-MS
... homogeneous distribution of solid chemical particle in the proppant bed. Upon the onset of water production samples were analyzed for the presence of residual scale inhibitor. A residual indicates there is still sufficient chemical in the formation to inhibit scale. When the scale inhibitor residual falls...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference, February 4–6, 2014
Paper Number: SPE-168637-MS
... fracturing materials Upstream Oil & Gas mechanism experiment proppant ceramic proppant viscosity suspension hydraulic fracturing dune slickwater reptation Shield Number thin fluid saltation fracturing fluid restitution particle coefficient proppant transport friction...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference, February 4–6, 2014
Paper Number: SPE-168604-MS
... Cooke cell (steel, sandstone, square rings), and one representing the proppant. In principle, Cooke cell materials can be approximated as assemblies of independent discrete elements (particles) of various sizes and material properties that interact via cohesive interactions, repulsive forces, and...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference, February 4–6, 2014
Paper Number: SPE-168614-MS
... fracturing produced water discharge concentration rheological property fracturing materials Upstream Oil & Gas PPM flowback fluid gel particle Harris proppant polymer viscosity crosslinked gel experiment potassium proppant transport society of petroleum engineers cation fracture...

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