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Keywords: regime
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Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4044157-MS
... reservoir characterization adfit leakoff coefficient dfit fracture drillstem/well testing pressure transient testing hydraulic fracturing geological subdiscipline permeability equation lateral procedure communication compressibility operation regime URTeC: 4044157 Measuring Key Reservoir...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4045037-MS
... geological subdiscipline unconventional resource economics complex reservoir log analysis bedding plane stimulation regime simulation workflow correlation unconventional reservoir ovalization energy economics reactivation pw1 mechanism austin chalk hydraulic fracture reduction URTeC...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4054809-MS
... are comprehensively analyzed to quantitatively characterize the fracture geometry over time. The fracture width is interpreted using DSS data, and the regimes of fracture propagation are discussed. Ultimately, we compare the fracture cut-up results to validate our understanding of fracture propagation. This research...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4017241-MS
... completion journal wlr pipe wavenumber application integration reservoir characterization noise regime dispersion eos URTeC: 4017241 Resolving Multiphase Fractions in Horizontal Wells Using Speed of Sound Measured with Distributed Acoustic Sensors and a PVT Database Peyman Moradi*1, Brian...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4029346-MS
... parameters, such as porosity, saturation, well spacing, and fracture designs, to evaluate their impact on the b-factor. In theory, the b-factor changes with time and flow regime. Specifically, it transitions from a value of 2 during linear flow to less than 1 during boundary flow. However, in practice...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 17–19, 2024
Paper Number: URTEC-4033921-MS
... parameters like pressures. Traditional models, e.g., numerical simulations, face scalability challenges with high well counts and rapid operations. Another common method, RTA, is interpretive and unsuitable for field-scale applications due to the need for flow regime identification and mechanistic...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 13–15, 2023
Paper Number: URTEC-3860563-MS
...-length and height. This information allows operators to optimize hydraulic fracturing treatment design and achieve the desired production results. Accurately predicting and modeling hydraulic fracture geometry can be challenging due to several factors, such as complex stress regimes in subtly different...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 13–15, 2023
Paper Number: URTEC-3854193-MS
... EUR using hourly flowback data, theory-based calculations, and empirical correlations. Unconventional wells produce in the linear flow regime in early time. During this period, the production depends on pressure, fracture surface area, and reservoir and fluid properties, which can be lumped into one...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 13–15, 2023
Paper Number: URTEC-3842757-MS
... Abstract We use the general analytical solution (Acuna, 2020) for pressure transient in unconventional wells to study the discrepancies in flow regimes frequently seen between buildup test and drawdown log-log diagnostic plots obtained from Rate Transient Analysis (RTA). These occur because...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 13–15, 2023
Paper Number: URTEC-3858661-MS
.... Abstract Development of fractured horizontal wells stems from the industry s need to optimize production from unconventional plays characterized by low permeabilities. Continual improvements have led to complex fractures with reduced fracture spacing and clear flow regimes showing a transition from...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 13–15, 2023
Paper Number: URTEC-3858897-MS
... on URTeC 3858897 2 mechanistic fractures or simulation model assumptions. The method also enables the identification of dominant flow regimes by using terms with the highest contributions instead of the usual line fitting procedure. Traditional methods like RTA tend to be interpretive and not suitable...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 13–15, 2023
Paper Number: URTEC-3854304-MS
... stablished and lasts months to years. This power-law flow regime is well documented (Chu et al., 2017) and it is often called transitional flow (Apte and Lee, 2016). It has been described as a deviation from expected linear flow and different explanations for it have been offered. One proposed explanation...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 13–15, 2023
Paper Number: URTEC-3862595-MS
... developing during production. Consequently, the fracture conductivity decreases as a function of production time. Currently no field test exists that can capture the dynamic behavior of the conductivity. Bilinear flow analysis (¼-slope flow regime) is a common rate-transient-analysis (RTA) technique...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 13–15, 2023
Paper Number: URTEC-3871063-MS
... Abstract Flow regime changes are important to capture and predict when estimating the future production from tight oil wells. Due to the nature of hydrofracture completions and reservoir heterogeneity, flow regimes are difficult to predict before they are observed. Also, while some wells...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3722861-MS
... rate during constant GOR production. However, after GOR breakout, we found this relationship to be non-linear. In fact, we observed the relationship between oil rate and gas rate to be governed by a power-lower function for a given flow regime after GOR breakout. This allowed us to use a Log-Log plot...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3703738-MS
... in the hydrostatic regime and the capillary number is modified through fluid rate and IFT variations. Coupled effects of matrix-fracture deformations and viscous-capillary forces are captured through the examination of Corey Kr parameters for each of the tests performed according to the experimental design presented...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5393-MS
... for dividing production history of these wells into at least four segments. We first examined rigorous solutions to governing flow equations for idealized conditions and found the basis to expect (1) early transient linear flow with b 2; (2) a transition flow regime between transient and boundary-dominated...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5493-MS
... and planning requirements were examined and costs keyed into the model. The generated outputs will be discussed vis-a-vis strengths and weaknesses of the fiscal regime and incentives to develop the business case. Preliminary analyses indicate Balcombe's commercial viability over a 30-year period, considering...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2180-MS
... pressure transient analysis machine learning well logging complex reservoir reservoir geomechanics shale gas structural geology resolution mechanical property biot coefficient log analysis drillstem testing fracture characterization regime workflow hydraulic fracture reservoir...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3037-MS
... velocity profile. In this study, we develop a novel approach to predict the gas velocity profile in the entire Knudsen number ( Kn ) regime for circular and noncircular (i.e., square, triangular and elliptical) nanochannels and investigate the effects of cross-sectional geometry on gas transport...

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