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Keywords: fracture orientation
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Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2902335-MS
... of subsurface stresses, they allow for the flow of gas and oil. However, when they are closed, as when the dominant stress is perpendicular to the fracture orientation, this flow is impeded. Optimal production is therefore obtained when well bores are drilled perpendicular to the path of the open fractures...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2904317-MS
... a northwest-southeast or northeast-southwest strike. The orientations are generally aligned with the overall strike of the structure, and consistent with the expected maximum horizontal stress direction. Fracture orientation showed vertical and lateral variation in fracture strike across the field...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2878197-MS
... is valid when fractures are uniformly distributed in space. However, the fracture distribution is commonly observed to have different scales. We propose to use our new double-beam ( db ) method to invert for spatially dependent fracture network information, in terms of fracture orientation, spacing...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2878217-MS
... determined by an inversion, varying differential stress orientations and magnitudes to maximize slip and dilation tendency of the observed fractures. Only fault reactivation models in a strike-slip regime (σ 1 ~ 80°) predicted fracture orientations and mode consistent with observation. Proxy values...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2669208-MS
... reservoirs in the Permian Basin and discuss the spatial and vertical heterogeneity in orientations across the Midland and Delaware Basins. Fracture characterization using image logs and cores have been performed on ~60 wells to identify fracture orientations, height, fracture fill, aperture, and stress...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2669314-MS
... that isolated fractures do not become imbibed spontaneously with fracture liquid, but their presence considerably increases the front displacement and width. Furthermore, isolated fracture orientation has negligible impact on front displacement and trapped wetting phase subsequent to drainage. Given...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2671301-MS
... the stimulated range of fracture orientations and in turn the geometry of the stimulated zone (i.e. localized versus distributed fracturing). The hydraulic horsepower, which takes into account the reservoir stress states and pressures, may be sufficient to stimulate parts of the reservoir with a specific state...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 1–3, 2016
Paper Number: URTEC-2435217-MS
... Summary An integrated study of the well Zhao-104 and surrounding wide-azimuth 3D seismic volume within the shale gas reservoir in South China has been conducted with the objective of generating shale formation properties related to fracture orientation and intensity in the area and deriving...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 1–3, 2016
Paper Number: URTEC-2460794-MS
... A and B). Both areas have the same high shale QI but have different fracture sets characteristics. Area A has a broad range of fractures orientation and Area B has a uniform orientation. A sensitivity analysis highlighted the importance of shear fractures for deriving stress variability. Fractures...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2015
Paper Number: URTEC-2177132-MS
... the pilot well was drilled and logged with brine. Fractures observed within these three wells display similar characteristics and trends to those observed within the Cline in both horizontal and pilot wells across Sterling, Mitchell, and Coke counties. Similar fracture orientations have been observed...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 25–27, 2014
Paper Number: URTEC-1922630-MS
... seismic data altamont-bluebell field Utah fracture Upstream Oil & Gas Wasatch fracture network fracture orientation cumulative fluid production URTeC: 1922630 Fractured Reservoir Characterization: Integrating Production and Seismic Data to Optimize Well Placement in Bluebell Field, Uinta...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 25–27, 2014
Paper Number: URTEC-1906890-MS
... Reservoir Characterization borehole breakout data quality information Upstream Oil & Gas geophysics elliptical velocity inversion brittleness azimuth URTeC anisotropy vector conjugate fracture orientation fracture orientation maximum horizontal stress strike-slip fault...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 12–14, 2013
Paper Number: URTEC-1581308-MS
... Summary This paper describes a statistical methodology to estimate dominant fracture orientation and dispersion from seismically-calculated 3D structural attributes. The dispersion parameter, the circular variance, can be easily associated with the Fisher coefficient, a key parameter...

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