A data-driven proppant-filled fracture model: Comparing sliding sleeve and plug and perf completion styles

McKenna, Jonathan P.; Quezada, Oscar; Toohey, Nathan M.; Grealy, Michael H.

doi:10.1190/segam2015-5933284.1

Cited by 5 publications

(3 citation statements)

References 2 publications

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“…The reservoir volume affected by the total DFN is called the Stimulated Rock Volume (SRV), while the reservoir volume affected by the proppant-filled fractures is referred to as the Productive Stimulated Rock Volume (P-SRV), as the proppantfilled fractures are expected to remain open and contribute to production more effectively. A detailed explanation of this deterministic DFN process can be found in McKenna et al (2015).…”

Section: Methodsmentioning

confidence: 99%

Optimizing Unconventional Field Development through an Integrated Reservoir Characterization and Simulation Approach

Shojaei

Lipp

2016

Proceedings of the 4th Unconventional Resources Technology Conference

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The URTeC Technical Program Committee accepted this presentation on the basis of information contained in an abstract submitted by the author(s). The contents of this paper have not been reviewed by URTeC and URTeC does not warrant the accuracy, reliability, or timeliness of any information herein. All information is the responsibility of, and, is subject to corrections by the author(s). Any person or entity that relies on any information obtained from this paper does so at their own risk. The information herein does not necessarily reflect any position of URTeC. Any reproduction, distribution, or storage of any part of this paper without the written consent of URTeC is prohibited.

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Section: Methodsmentioning

confidence: 99%

Optimizing Unconventional Field Development through an Integrated Reservoir Characterization and Simulation Approach

Shojaei

Lipp

2016

Proceedings of the 4th Unconventional Resources Technology Conference

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“…A calibrated proppant-filled Discrete Fracture Network (DFN) model was created using a technique described by McKenna et al (2015) to calculate fracture plane length, area and aperture based on the seismic moment of the fluidinduced microseismic events and associated shear modulus at each hypocenter location using a volumetric balance approach where the total fracture volume is equal to the injected slurry volume minus the volume due to leakoff into the formation. Fracture orientations are defined by the focal mechanism of the microseismic event.…”

Section: Modelingmentioning

confidence: 99%

Using depletion-zone microseismicity to understand producing volumes

McKenna

Grealy

Blaz

et al. 2016

SEG Technical Program Expanded Abstracts 2016

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Studies have shown that proppant injected into fractures during hydraulic stimulation rapidly increases in packing density as fluids leak off into surrounding rock. Stresses are amplified at proppant grain contacts elevating the potential for stress-corrosion cracking and chemical potential at the contacts. Together, these effects promote immediate mechanical compaction and drive chemical compaction throughout engineering time scales (Lee et al, 2010). Draining the reservoir further enhances stresses leaving the reservoir critically-stressed as fractures close. Injection of fluid induces microseismicity that generally propagates away from injection ports as fluid induces fractures at rates that can be modeled using a pressure-diffusion model (Shapiro, 2009). When the front encounters a depleted reservoir on offset wells, pressures accelerate through the fluid-filled pore network inducing shear failure causing microseisms with observed apparent propagation velocities much higher than typical fracture propagation rates and can be used to delineate depleted fractures (Dohmen, 2013) forming a snapshot of production in time. Microseismic data were collected during the treatment of a four-well pad in the Williston Basin. After five months of producing hydrocarbons from the first pad, a second pad was also treated and monitored proximal to the first. Microseismic events recorded during the second pad treatment extended toward and accelerated across the first pad, with the majority of offset activity occurring on the well closest to the second pad. By combining hypocenter locations, seismic moments, focal mechanisms, fluid leakoff, treatment volumes, and rock properties, we created a calibrated proppant-filled Discrete Fracture Network (DFN) model for each pad. To further condition the model for the second pad, we extended the methods of Shapiro and Dohmen to define multiple pressure-diffusion fronts to classify events associated with injected fluid, the offset pad, and depleted portions of the reservoir and utilized only fluid related events. Microseismic event locations monitored during the second pad coincide with the modeled proppant-filled fractures derived from the treatment of the first pad. Furthermore, events consistent with Dohmen's depletion zone coincide with distal producing wells over 6000 ft. away from injection ports. Results suggest that offset well microseismicity is associated with the more conductive offset proppant-pack and can be used to quantify the actual proppant distribution, validate the propped DFN model and identify compacted portions of the depleted reservoir.

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“…The nuances of fracturing fluid compositions, proppant types, and injection protocols are tailored based on reservoir conditions [26,27]. Extensive research has been conducted to assess the effectiveness of various fracturing techniques, including sliding sleeve and plug-and-perf approaches [28,29]. Post-fracturing operations focus on wellbore clean-up, flowback management [30][31][32], and reservoir pressure maintenance, often leveraging enhanced oil recovery (EOR) techniques, like CO 2 or gas injection, to improve ultimate recovery [33][34][35][36].…”

Section: Introductionmentioning

confidence: 99%

An Overview of Recent Developments and Understandings of Unconventionals in the Vaca Muerta Formation, Argentina

Lu,

Li,

Han

et al. 2024

Applied Sciences

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In this article, we comprehensively reviewed Argentina’s Vaca Muerta formation, which encompasses a geological overview, advances in extraction technologies, the potential environmental impact, and economic analysis. Detailed geological analysis is discussed, emphasizing the stratigraphy, lithology, and depositional environments of the formation, which is crucial for understanding the distribution and quality of hydrocarbon resources. The latest advancements in hydraulic fracturing and horizontal drilling are explored, which have significantly improved efficiency and increased recoverable resources. The environmental implications of these extraction methods are critically examined. This includes a discussion of the necessity of sustainable practices in hydrocarbon extraction, highlighting the balance between resource development and environmental stewardship. The economic viability of the Vaca Muerta formation is analyzed, with a focus on cost-effectiveness, market trends, and investment patterns. This section assesses the formation’s potential as a profitable venture and its impact on the global energy market. Finally, the review anticipates future technological and policy developments. The strategic importance of the Vaca Muerta formation in the global energy sector is underscored, and its potential role in shaping future hydrocarbon exploration and production strategies is examined. In short, this essay not only presents data and findings, but also contextualizes them within the broader scope of energy production, environmental sustainability, and economic viability. This comprehensive approach provides a multi-faceted understanding of the Vaca Muerta formation’s significance in the global energy landscape.

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A data-driven proppant-filled fracture model: Comparing sliding sleeve and plug and perf completion styles

Cited by 5 publications

References 2 publications

Optimizing Unconventional Field Development through an Integrated Reservoir Characterization and Simulation Approach

Optimizing Unconventional Field Development through an Integrated Reservoir Characterization and Simulation Approach

Using depletion-zone microseismicity to understand producing volumes

An Overview of Recent Developments and Understandings of Unconventionals in the Vaca Muerta Formation, Argentina

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