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Keywords: hydraulic fracture
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Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181785-MS
... Abstract Hydraulic fracture treatments may induce complex network geometries that are challenging to incorporate in numerical flow simulators. To capture this complexity, we propose a workflow that integrates a semi-stochastic Discrete Fracture Network (DFN) generator constrained...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181779-MS
... for re-directed propagation analyses. Reservoir Characterization hydraulic fracturing stress ratio enhanced recovery Upstream Oil & Gas stress determination magnitude change thermal method SAGD orientation Zoback perturbation moduli fracture hydraulic fracture propagation field...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181831-MS
... spacing and in-situ stresseses. However, the pore-pressure distribution, may affecting hydraulic fracture growth, was not well understood. Therefore experimental and numerical simulation are used to study the influence of pore-pressure distribution on sequential and simultaneous fracturing in tight...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181813-MS
... Abstract Hydraulic fracturing and horizontal well drilling technologies have enabled the oil and gas industry to safely unlock large reserves of oil and gas in unconventional resources, especially in shale gas and oil, and tight gas and tight oil reservoirs. However, there is an ongoing debate...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181843-MS
... Abstract In order to predict fracture propagation in naturally fractured reservoir, several fracturing models have been proposed. Especially, for analyzing interaction between hydraulic fracture and natural fracture, previous models have limits in representing fracture propagation, taking...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181811-MS
... Abstract We numerically investigate a potential fault activation in Tarim Basin, west China, during hydraulic fracturing operations, by considering rigorous coupled flow and geomechanics. In this study, we find that the fault can be activated by water injection, when it is nearly critically...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181824-MS
... Abstract Hydraulic fracturing is a very robust tool in terms of not only increasing production in tight reservoirs but also accelerating production from reservoirs with higher permeability and porosity. The success of a hydraulic fracturing treatment is highly correlated with control...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181865-MS
... Abstract Unconventional gas/oil exploitation and stimulation depends strongly on the efficiency of the hydraulic fracturing (HF) treatment, via which connecting fracture networks are created and thus the conductivity for fluid flow in low-permeability reservoirs is enhanced. However, the cost...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181875-MS
... notion for production data analysis; e.g., optimization of spacing of hydraulic fractures, and evaluation of stimulated-reservoir volume (SRV). However, the DOI concept has been mainly used to evaluate dynamic drainage volume (DDV) for the linear flow system within SRV. Thus, in view of production from...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181855-MS
... Abstract Hydraulic fracturing plays a significant role in unconventional oil and gas reservoirs. The hydraulic fracture initiation and propagation mechanism is fundamental important, but is understood unclearly. The large-scale hydraulic fracturing experiment, with the sample size of 30in*30in...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181866-MS
... of the extreme complexity inherent in tight formations, To produce oil and gas commercially from tight formations, naturally completed (open-holed) or cased horizontal wells with multi-stage hydraulic fractures are the most popular implementation for completion, and such kind of application is expected to create...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181878-MS
...*300 mm) true tri-axial hydraulic fracturing simulation system is utilized to conduct the contrast test under conditions of DDP and conventional perforation considering different horizontal stress difference, in which the fracturing pressure, the geometry of crack initiation and propagation as well...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181857-MS
... Abstract Chemical tracer is an alternative technique for hydraulic fracture diagnosis other than tiltmeter and microseismic mapping. Fracture volume is an essential parameter for stimulation optimization and production forecast. In our previous work, we proposed a simple, cost-effective method...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181872-MS
... at the intersection of two major anticlines, the primary pay zone within the Changning is the Longmaxi. Because hydraulic fracture stimulation in this complex stratigraphy can be technically challenging, determining the created fracture geometries is crucial to evaluating the effectiveness of a stimulation...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181828-MS
... Abstract We developed a fully coupled thermo-hydro-mechanical (THM) model for hydraulic fracturing treatments, which was verified via comparison to published literature. This model was then utilized to investigate complex fracture network propagation in naturally fractured reservoirs. Mixed...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181834-MS
... hydraulic fracturing to realize commercial development. As relatively long period of drainage and regional depressurization are needed before the initiation of coalbed methane (CBM) production, the fractures firstly offer channels for drainage. Meanwhile, it is easy for the soft coal and proppants...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181798-MS
... Abstract Horizontal well drilling and multistage hydraulic fracturing are essential to economic recovery of unconventional tight/shale reservoirs. Multiple transverse fractures are ideally supposed to be perpendicular to the minimum stress direction, but slanted fractures might be seen...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181835-MS
... Abstract Stress field near a hydraulic fracture will be altered during the process of propagation. These stress changes and induced deformation can change the porosity and aperture of the natural fractures, which eventually will change the permeability so that the SRV will be enhanced. Plastic...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181816-MS
... Abstract Stresses induced near a hydraulic fracture are calculated in an elastoplastic Mohr-Coulomb type formation. While an effective compressive stress increase may reduce the permeability in the formation, the induced shear stresses and dilatant zone developed can increase the stimulated...

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