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Keywords: simulation
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Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180268-MS
... simulations of transport properties in heterogeneous rocks with broad pore size distributions are prohibitively expensive computationally. In the present work we present a multi-scale imaging and modeling workflow to compute transport properties of rocks with wide pore size distributions. A dry/wet micro-CT...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180254-MS
... of the results, both Computational Fluid Dynamics (CFD) and Direct Simulation Monte Carlo (DSMC) techniques are applied in a wide gas pressure range. The results reveal that the continuum theory is valid for a specific pore size and gas pressure range and its accuracy is strongly dependent on the Knudsen number...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180198-MS
... Abstract Due to the uncertainty in shale reservoir simulation, increasing attention has been drawn to the investigation of nano-scale transport behavior in heterogeneous shale rocks. Molecular dynamics simulation has become a widely-used simulation technique to investigate molecular behaviors...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180202-MS
... are generated from a generic reservoir model using commercial simulator. Various models of recovery factors and gas oil ratio are developed for different times (after 90 days, 1 year, 5 years, 10 years, 15 years and 20 years) and for a minimum economic rate (5 STB/ day). Multivariate regression was used...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180246-MS
..., Methane and Argon (adsorbing) and Helium and Neon (less-adsorbing), is studied and their transport are analyzed using dual control volume grand canonical molecular dynamics (DCV-GCMD) simulations with identical setups of graphite nano-channels. DCV-GCMD simulations are performed for different pressures...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-107530-MS
... for the well a scorecard is used as decision criteria for selecting bits. To quantify the input for each bit a drilling simulator was used. The simulator can, based on a rock strength prognosis for a well, predict the rate of penetration and bit wear for each bit based on the bit design. For other criteria...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-107731-MS
..., frequently for an extended period of time, prior to realizing any revenue from gas sales. Gas and water profiles for wells completed in Powder River and Greater Green River coals were simulated assuming saturated coals and selected degrees of undersaturation. Base case economics were constructed by combining...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-107963-MS
... Reservoir Characterization Upstream Oil & Gas complex reservoir ductile sphere tight gas Simulation size distribution porosity pore throat rigid core fraction ductile grain ductile matter overlap experiment sandstone packing pore space structural geology cement compaction...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium and Exhibition, March 12–15, 2000
Paper Number: SPE-60303-MS
... is the right permeability to use for simulation and well performance prediction. We have absolute, infinite, air, brine, relative, effective, and Klinkenberg definitions for permeability as well as arithmetic, geometric, and harmonic averaging techniques. It is also possible to determine permeability through...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium, April 5–8, 1998
Paper Number: SPE-39933-MS
... Abstract Fully-compositional, dual-porosity simulation models were constructed for the Codell Sandstone of the Wattenberg field in the Denver-Julesburg Basin, Colorado. The objective of this work was to develop simulation models which could accurately forecast reservoir behavior under various...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium, April 5–8, 1998
Paper Number: SPE-39926-MS
... Abstract When purchasing property, selling property or estimating future cash flow from a project, forecasts of future production rates are required. Whether those forecasts are made with detailed reservoir simulation or decline curve techniques, there will be uncertainty in the forecasts...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium, April 5–8, 1998
Paper Number: SPE-39956-MS
... the acid flow across the fracture width. The etched width profile resulting from three-dimensional (3D) flow could be significantly different from that predicted by the one-dimensional (1 D), piston-like displacement normally included in acid fracture simulators. An important consequence of this variation...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium, April 5–8, 1998
Paper Number: SPE-40061-MS
... Abstract Proppant concentration variation in a hydraulic fracture across the fracture width is investigated using a slurry transport simulator. The result indicates that the proppant slurry dehydrates more near the fracture walls and thus has higher concentration at the wall than at the center...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional Meeting, May 18–21, 1997
Paper Number: SPE-38381-MS
... and used as is, geological model is built without understanding how the seismic data was interpreted, then a reservoir simulation model is built with modification to the geological model in order to match production history without going back to the geologist or geophysicist. There are at least four...
Proceedings Papers

Paper presented at the Low Permeability Reservoirs Symposium, March 19–22, 1995
Paper Number: SPE-29565-MS
... detailed evaluation was performed relying on new laboratory data, numerical simulation, and much more field performance data to assess the effectiveness of the ASP process, and to compare the West Kiehl performance with that of other Minnelusa fields. This paper is a summary of the findings of the detailed...
Proceedings Papers

Paper presented at the Low Permeability Reservoirs Symposium, April 26–28, 1993
Paper Number: SPE-25908-MS
... Abstract This paper studies performance of gas wells producing from a reservoir containing several noncommunicating layers. Predictions were made with a newly developed simulator that performs a complete "nodal analysis" on each time step to determine flow capacity. The four categories...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional Meeting, May 18–21, 1992
Paper Number: SPE-24356-MS
... SPE Members Abstract Well pressure and production histories and transient pressure tests, evaluated by conventional well testing techniques and simulation, are shown to indicate compartmented reservoir geometry arising by depositional and diagenetic processes. Examples are cited of both...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional Meeting, May 18–21, 1992
Paper Number: SPE-24352-MS
... SPE Member Abstract The inflow performance relationship (IPR) developed through numerical simulation of vertical, horizontal, ad slat wells in solution-gas drive reservoirs was analyzed. The IPR is essential to optimize production design; however, little information is available...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional Meeting, May 18–21, 1992
Paper Number: SPE-24360-MS
... River Basins. Very little of this gas has been exploited. This paper examines the potential of coalbed methane production in the Powder River basin by history matching early production from five gas wells in the Rawhide Butte field using a commercially available coalbed methane simulator, COALGAS...
Proceedings Papers

Paper presented at the Low Permeability Reservoirs Symposium, April 15–17, 1991
Paper Number: SPE-21832-MS
.... This paper presents a numeric simulator which is used to model surge behavior for various wellbore and reservoir conditions. Because variable wellbore conditions are considered, the resulting analysis is more reliable and often possible when other techniques fail. Reservoir flow into the wellstring...

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