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Keywords: permeability
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Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168980-MS
... consistent reservoir-engineering methods to analyze multi-phase production data in such reservoirs. Large drawdowns required to produce these very low permeability formations complicate production analysis due to condensate drop-out near the wellbore or fracture face. Hydraulically-fractured vertical...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169003-MS
... of fracture asymmetry and increase EUR. hydraulic fracturing Reservoir Characterization Simulation modeling reservoir geomechanics pore pressure effective fracture half-length pressure depletion fracture wing asymmetry permeability production model pressure distribution fracture wing parent...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168965-MS
... Figure 3 Unsteady-State Permeability (highlighted value) on Intact Plug Samples at Reservoir Effective Stress. Note comparative steady state result shown at top of each graph. The examples in Figures 4 – 10 show how texture of the rock is related to level of permeability...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168981-MS
... in the determination of the linear flow parameter (product of fracture half-length and square-root of permeability, x f √k) as well as in the calculation of contacted fluid-in-place. Until now, the DOI for transient linear flow has been determined empirically, and may not be accurate for all combinations of fluid...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169004-MS
... parameters are the same. They implied that the time to the end of linear flow depends on fracture spacing and permeability as it is shown in Eq. 1 . Since the time to the end of linear flow is read from the plot, calculation of k is highly dependent on the fracture spacing assumption. We often assume...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169017-MS
... upgrading permeability Oil shale, the organic-rich rock, produces hydrocarbon from kerogen decomposition while absorbing heat. Oil shale occurs in 27 countries in worldwide, and the rich oil shale which has commercial interest is believed to be around 2.6 trillion barrels, and 2.0 trillion barrels...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169011-MS
... the contribution of each fracture stage to the overall production and predicts the pressure changes occurring in the fracture and matrix zones by a compartmental simulation approach. Various flow regimes of drawdown test are investigated for fracture diagnosis with different fracture permeability values...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169025-MS
... of multiphase flow, stress and pressure dependent permeability, condensate banking, flow through hydraulic fractures and stimulated rock volume (SRV) region, etc. on the reservoir performance of LRS plays. Single well modeling has been extensively used to model well and reservoir performance from shale plays...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169012-MS
... and injection time, and geologic parameters including reservoir permeability, porosity, and thickness. Nevertheless, the effects of the above uncertain parameters on the process of CO 2 -EGR are not clearly understood and systematically studied. Therefore, it is absolutely critical to quantify uncertainties...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169013-MS
... transition time input parameter Production analysis reservoir linear flow SRV production data analysis analytical model hydraulic fracturing Fluid Dynamics fracture length History Match interpretation forecast characteristic society of petroleum engineers permeability unconventional resource...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169021-MS
... experiment was collected from the Marcellus liquid-rich region and the experiments were conducted at reservoir pressure and temperature. Prior to conducting the experiments, the permeability of the Marcellus shale core and the Berea sandstone core were characterized using the pressure pulse decay technique...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169022-MS
... Abstract The poor rock quality and matrix permeability several orders of magnitude lower than conventional oil reservoirs observed in unconventional liquid reservoirs (ULR) presents many uncertainties on the storage capacity of the rock and the possibility of enhancing recovery...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169015-MS
... Production permeability, or enhanced permeability within the stimulated reservoir volume (SRV), comes from matching gas rate versus time using PDA or production data analysis. This is a type-curve approach (e.g., Palacio and Blasingame, 1993 ; Chipperfield et al, 2007 ; Cox et al, 2007...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168987-MS
... Abstract Substantial amounts of gas are accumulated in tight sand reservoirs in Cooper basin, Australia. This basin has a complex geomechanical stress regime. It is believed that the orientation of the minimum horizontal stress is changing and also there is a stress dependent permeability...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168966-MS
... Abstract Handling flow through fractured media is critical for transient pressure and flow analysis in shale gas reservoirs, because gas production from such low-permeability formations relies on fractures, from hydraulic fractures and fracture network to various-scaled natural fractures...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168982-MS
... to the total compressibility in conventional multiphase flow formulations. Also, two-phase water/gas flow is handled by an explicitly determined relative permeability function of time. Eventually a new pseudo-time function is defined to account for the changes in gas properties and relative permeability...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168977-MS
... Abstract In cemented and cased wells, perforation cluster spacing is optimized based on the type of reservoir fluid, permeability, fracture conductivity, proppant distribution, and associated stresses to place multiple fractures along horizontal wellbores. Specifically, in very low-permeability...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168992-MS
... & Simulation reservoir simulation water saturation Midland Basin saturation permeability hydraulic fracturing simulation model residual oil saturation rock type Earth Model carbonate Upstream Oil & Gas porosity geologic model petrophysical rock type connate water saturation production data...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168997-MS
... calculation simulator reservoir performance assessment equation Sensitivity Study unconventional reservoir wellbore permeability hydraulic fracturing diffusive time Unconventional resources such as shale gas provide a significant share of the energy supply in the US and the world energy...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168993-MS
... entered exponential decline due to pressure interference. We use a simple physical model to determine the time to interference for wells with geologic parameters typical of the Haynesville, and use this to determine a field-wide permeability from the wells where we have observed pressure interference...

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