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Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180223-MS
... fractured well Artificial Intelligence drillstem/well testing hydraulic fracturing finite-reservoir solution constant pressure drainage region Drillstem Testing Raghavan expression reservoir approximation horizontal well pressure distribution subdiffusion equation fracture society...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180216-MS
... isotherm Upstream Oil & Gas calculation shale Exhibition complex reservoir Phase Behavior fugacity chemical potential vapor-liquid equilibrium equation unconventional reservoir workflow capillary pressure pore size distribution interaction The Eagle Ford play is a Late Cretaceous...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180254-MS
... reservoir simulation characteristic length water saturation molecule flow in porous media drainage correlation pore space Upstream Oil & Gas DSMC particle society of petroleum engineers simulation equation apparent permeability artificial intelligence collision permeability...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180256-MS
... Efficiency tight oil reservoir equation interfacial tension permeability Oil Recovery displacement efficiency society of petroleum engineers CO 2 flooding has been an effective way for improving oil recovery. 1 – 3 Numerous field trials of CO 2 enhanced oil recovery (EOR) projects were...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180230-MS
... productivity index equation for the transient flow period, facilitates the incorporation of any sort of nonlinearity (including decoupled saturation functions) and operational constraints in modeling and RTA of linear flow in MFHWs. The method is validated against numerical simulation and applied to various...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180237-MS
... formation (nanodarcy scale) differs significantly from those observed in the conventional formation. In this paper, the cubic PR EOR is coupled with the capillary-pressure equation and adsorption theory to investigate and represent the phase equilibria of pure components and their mixtures in cylindrical...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180234-MS
... production composition Pennsylvania productivity ultimate recovery equation Langmuir isotherm BDF recovery factor curve marcellus shale boundary natural gas marcellus well Standard Deviation society of petroleum engineers The Marcellus Shale has been touted as the crown jewel...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180213-MS
... linear system fracture characteristic porosity matrix fracture simulator effective stress flow in porous media Fluid Dynamics grid block processor society of petroleum engineers closure fractured reservoir characteristic permeability coupling equation deformation fracture permeability...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180235-MS
... in the presence of capillary pressure. We modify the Peng-Robinson equation of state considering inequalities of hydrocarbon liquid and vapor pressures. The criterion of Gibbs free energy minimization and Rachford-Rice flash calculation are applied in the phase equilibrium calculation. The Young-Laplace equation...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180265-MS
... dual porosity model fractured reservoir reservoir transient analysis fracture discrete fracture model Continuum equation The exploitation of low permeability reservoirs is increasingly a primary energy source around the globe. Effective stimulation of low-permeability rock through multi...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180240-MS
... phenomenological coefficient straight-line slope derivative anomalous diffusion model hydraulic fracture fracture log-log plot numerical model equation Current approaches for analyzing well performances in tight-oil and shale-gas plays mostly use the dual-porosity idealization for the stimulated...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180260-MS
... pore compressibility and obtain the volume of adsorbate from doing regression analysis for density of adsorbed gas by Dubinin-Astakhov (D-A) equation under the supercritical condition. Lab experiments for methane adsorption in shale are measured by five real core samples. The data of Gibbs adsorption...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, April 14–16, 2009
Paper Number: SPE-122570-MS
... for the fracture conductivity and wellbore hydraulics, respectively. Following equation is the mathematical form of this productivity model. [ ] ' 1 ' cl wHe sp fepp c J Q , (1) Where, Q is the total production rate and Jsp is the specific productivity index which can be determined as follow...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, April 14–16, 2009
Paper Number: SPE-122611-MS
... that a non-Darcy flow model, proposed by Barree and Conway in 2004, is capable of overcoming the limitation with the Forchheimer non-Darcy equation in high flow rates while describing the entire range of relationships between rate and potential gradient from low- to high-flow rates through proppant packs...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, April 14–16, 2009
Paper Number: SPE-122768-MS
.../well testing flow rate diffusivity analytical solution boundary condition nonlinearity equation straight line permeability pressure-dependent permeability reservoir differential equation Abstract The transient pressure response in stress-sensitive formations is derived by solving...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, April 14–16, 2009
Paper Number: SPE-122972-MS
... orientation permeability tensor component interference test permeability anisotropy formulation equation permeability tensor permeability SPE 122972 A Simple Method to Account for Permeability Anisotropy in Reservoir Models and Multi-Well Pressure Interference Tests C. Yetkin, NITEC LLC; B. Ramirez...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-107958-MS
..., and water phases. The pseudo-components have been widely studied so that the physical properties of the phases can be estimated from the pseudo-components properties. As a multiphase-fluid system, the reservoir fluid flow can be described by means of the fundamental equations governing the flow of fluids...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-102719-MS
... stress equation. Introduction In many cases, lost circulation has been the root cause for non-productive time (NPT) during drilling. Lost circulation presents even more challenges when drilling through a depleted formation. Various methods are used to control the mud losses, however, none...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-106571-MS
... multiple wells is presented showing the accuracy of the presented approach where more then 100,000 data points were statistically analyzed and evaluated in the development of the equations presented herein. The drillability from inverted penetration rate models has been verified to give good...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-107263-MS
... by giving the effective pore type which dominates over the flow [4]. Estimating R35 from cores and logs using the Winland Equation, or directly from capillary pressure data (for this study, this data is not available), provides the basis for a zonation that can be used to determine reservoir quality...

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