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Keywords: hydraulic fractureClose
SPE Prod & Oper 38 (04): 603–626.
Paper Number: SPE-215809-PA
Published: 08 November 2023
... effective stress-sensitive reservoirs fully penetrated by fractured oil wells. The hydraulic fracture in the proposed mathematical modeling is finite with tip effects and crosses the whole reservoir net-pay. A new permeability stress-sensitive pseudopressure m ( σ ′ ) is developed, and the solution...
SPE Prod & Oper 38 (02): 305–316.
Paper Number: SPE-212850-PA
Published: 10 May 2023
...Qian Gao; Desheng Zhou; Ahmad Ghassemi; Xiong Liu; Yafei Liu; Minhao Guo Summary As a mature technology to enhance the permeability of geological formations, hydraulic fracturing has widely been used in geothermal energy development and in the petroleum industry. Due to its effectiveness...
SPE Prod & Oper 38 (02): 317–331.
Paper Number: SPE-212858-PA
Published: 10 May 2023
...Sihan Yang; Xiaoping Li; Qiguo Liu; Youjie Xu Summary Since there are several hydraulic fractures around a wellbore after a large-scale hydraulic fracturing and the well is not in the center of the reservoir, no corresponding semianalytical model for wellbore pressure analysis has been proposed...
SPE Prod & Oper 36 (04): 912–925.
Paper Number: SPE-195881-PA
Published: 10 November 2021
...Qian Gao; Ahmad Ghassemi Summary The impacts of formation layering on hydraulic fracture containment and on pumping energy are critical factors in a successful stimulation treatment. Conventionally, it is considered that the in-situ stress is the dominant factor controlling the fracture height...
SPE Prod & Oper 36 (03): 516–529.
Paper Number: SPE-204481-PA
Published: 11 August 2021
... −5 psi −1 ) are close to the lower limit of the values estimated by previous studies, which can be explained by the presence of proppants in hydraulic fractures. 21 8 2020 4 11 2020 14 10 2020 21 1 2021 11 8 2021 Copyright © 2021 Society of Petroleum Engineers...
SPE Prod & Oper 36 (03): 553–571.
Paper Number: SPE-205387-PA
Published: 11 August 2021
...Chao Wei; Bo Zhang; Shucai Li; Zhixin Fan; Chengxin Li Summary Pulse hydraulic fracturing technology can greatly improve the effect of fracture propagation in rock and form complex fracture networks in reservoirs. The interaction mechanism between hydraulic fractures and pre-existing fractures...
SPE Prod & Oper 36 (01): 128–144.
Paper Number: SPE-203844-PA
Published: 10 February 2021
... of weakness (e.g., fissures) and create branch fractures that can connect hydraulic fractures to stress-relief fractures, ultimately enhancing fracture connectivity and complexity. It has been trialed in western Siberia (2014) and western Canada (2017 to 2019) with overall operational and production...
SPE Prod & Oper 35 (04): 0719–0729.
Paper Number: SPE-195193-PA
Published: 12 November 2020
...Xiaofan Hu; Guoqing Liu; Guofan Luo; Christine Ehlig-Economides Summary Engineers commonly expect symmetric fracture wings in multiple‐transverse‐fracture horizontal wells. Microseismic surveys have shown that asymmetric hydraulic fractures grow away from the recent fractured wells and grow toward...
SPE Prod & Oper 35 (03): 654–680.
Paper Number: SPE-198910-PA
Published: 13 August 2020
... the change in pressure with time for constant production rate, whereas the second represents the change in flow rate with time for constant wellbore pressure, and is called the flow‐rate function ( q ) . The effects of hydraulic‐fracture characteristics, reservoir configurations, and the dominant flow...
SPE Prod & Oper 34 (04): 735–748.
Paper Number: SPE-189834-PA
Published: 14 November 2019
...A.. Ugursal; D.. Zhu; A. D. Hill Summary During an acid fracturing treatment in a carbonate reservoir, acid is injected into the formation, thus creating hydraulic fractures and opening existing natural fractures. As the acid flows into natural fractures that intersect hydraulic fractures (main...
SPE Prod & Oper 34 (04): 770–780.
Paper Number: SPE-198892-PA
Published: 04 September 2019
... Average 51 Hydraulic–fracture conductivity has long been observed to decline with time in conventional oil and gas reservoirs (Yu 1987 ; Wen et al. 2005 ). This phenomenon was also reported for shale plays (Zhang et al. 2015 ; Teng et al. 2016 ; Sun et al. 2018 ; Marsden et al. 2018...
SPE Prod & Oper 34 (03): 564–585.
Paper Number: SPE-185043-PA
Published: 15 August 2019
.... Within the flow simulation, the hydraulic fracture is represented explicitly in the computational domain by means of local‐grid refinement, and the physical process of fracture closure during shut‐in and production periods is modeled by adjusting the fracture volume and fracture conductivity dynamically...
SPE Prod & Oper 34 (04): 703–724.
Paper Number: SPE-180364-PA
Published: 26 June 2019
...Aditya Nikam; Obadare O. Awoleke; Mohabbat Ahmadi Summary We built a 3D geomechanical model using commercially available finite–element–analysis (FEA) software to simulate a propagating hydraulic fracture (HF) and its interaction with a vertical natural fracture (NF) in a tight medium. These newly...
SPE Prod & Oper 33 (04).
Paper Number: SPE-189989-PA
Published: 18 April 2018
..., indicating the beginning of pseudosteady state, wherein the PI demonstrates constant value. The reservoirs in this study are considered depleted by horizontal wells intersecting multiple hydraulic fractures where Darcy flow and non-Darcy flow may control flow patterns in the porous media. The PI...
SPE Prod & Oper 33 (04): 697–717.
Paper Number: SPE-188114-PA
Published: 28 February 2018
... Drillstem Testing hydraulic fracturing Artificial Intelligence unsteady crossflow boundary condition vfw reservoir laplace domain continuity stress sensitivity tight oil reservoir SPE Production University region 2 pressure behavior inner fractured region fracture permeability drillstem...
SPE Prod & Oper 33 (03): 539–556.
Paper Number: SPE-179126-PA
Published: 14 December 2017
... the wellbore is shown to be enough to alter the number of fractures created in a hydraulic-fracturing stage and mask the effects of stress shadowing. Interstage fracture simulations show post-shut-in fracture extension induced by stress interference from adjacent propagating fractures. The effect...
SPE Prod & Oper 33 (02): 214–234.
Paper Number: SPE-173335-PA
Published: 04 August 2017
...Songxia Liu; Peter P. Valkó Summary Fracture height is a critical input parameter for 2D hydraulic-fracturing-design models, and also an important output result of 3D models. Although many factors may influence fracture-height evolution in multilayer formations, the consensus is that the so-called...
SPE Prod & Oper 33 (01): 21–31.
Paper Number: SPE-184060-PA
Published: 26 June 2017
...Jianlei Sun; David Schechter Summary Unconventional shale reservoirs require massive and multistage hydraulically fractured horizontal wells to produce economically. Induced hydraulic fractures interacting with in-situ natural fractures result in complex or discrete fracture networks (DFNs). Even...
SPE Prod & Oper 33 (01): 12–20.
Paper Number: SPE-186091-PA
Published: 25 May 2017
...Kan Wu; Biyi Wu; Wei Yu Summary Well interference is a common phenomenon between wells observed in unconventional reservoirs, which has received significant attention. It plays an important role in well-spacing considerations. Massive hydraulic fractures are generated in horizontal wells...
SPE Prod & Oper 32 (04): 404–422.
Paper Number: SPE-173378-PA
Published: 13 February 2017
...Vibhas J. Pandey; Thomas Flottman; Nola R. Zwarich Summary Modern hydraulic-fracture treatments are designed by use of fracture simulators that require formation-related inputs, such as in-situ stresses and rock mechanical properties, to optimize stimulation designs for targeted reservoir zones...
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