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Keywords: calculation
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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 Introduction The Eagle Ford play...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180254-MS
... Abstract Numerical experiments are performed to evaluate the capability and examine the computational costs and tradeoffs of numerical and analytical approaches for apparent gas permeability calculation. Considering the dominancy of capillary force in pore level studies, two-phase distribution...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180210-MS
.... The approach presented here relies on an empirical correlation that was originally developed to predict the liquid hold-up for multiphase upward flow affected by partial flow reversal in long vertical pipes. In general, the correlation can be used as an alternative method for calculating the gravitational...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180235-MS
... there have been some attempts to study the effect of capillary pressure on phase behavior, it has not been clearly understood in the application considering multiple components in tight oil reservoirs. In this work, we present a methodology to calculate the phase behavior of CO 2 /hydrocarbon systems...
Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180228-MS
... models in simulation tools. In this work, we analyze the numerical aspects of including capillarity phenomena in VLE calculations in an effort to arrive at robust and efficient algorithms for stability analysis that can be used in compositional modeling/simulation of unconventional reservoirs. When...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, April 14–16, 2009
Paper Number: SPE-122917-MS
... during hydraulic fracturing treatments. fluid modeling proppant concentration equation of state friction fracturing materials fracturing fluid transition viscosity calculation fluid property flow regime pressure drop bottomhole hydraulic fracturing Upstream Oil & Gas pipe...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-107705-MS
... is reasonable assumption for some saturated CBM reservoirs. G i can thus be extracted from the x-intercept. Note that the calculation of G i requires iteration due to the pressure-dependent properties of the gas as a function of reservoir pressure. In addition to G i , absolute permeability ( k...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-107818-MS
... In the above equation, σ OV , overburden stress is calculated by integration of the density log, ν, Poisson's Ratio is estimated from compressional and shear wave velocities obtained from a dipole sonic log. Reservoir pore pressure, P, is generally estimated from a drill stem test or pre-frac...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-108139-MS
... = Poisson's ratio ρ = Bulk Density g/cc Abstract In the Rocky Mountain region of the US, nearly every well is hydraulic fracture stimulated to produce commercial volumes of oil and gas. The starting point for designing these treatments is an understanding of the in-situ stress profile. To calculate...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, May 21–23, 2001
Paper Number: SPE-71033-MS
... can be transformed into an equivalent single rate data set for direct analysis using standard methods based on the associated derivative curve. The transformation requires nothing more than careful superposition and the calculation of the normal radial flow derivative curve. We show that this approach...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium and Exhibition, March 12–15, 2000
Paper Number: SPE-60319-MS
... numbers (i.e., high rates and/or small tubing reel) the intensified secondary flow increases the frictional loss significantly over those predicted by Poiseuille flow calculation. Abstract The importance of the pressure loss in the design of treatments for various field applications while using non...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional Meeting, May 15–18, 1999
Paper Number: SPE-55605-MS
... equation upstream oil & gas drainage area water production reservoir simulation water saturation straight line calculation spe 55605 production data drillstem testing average reservoir pressure initial reservoir pressure drillstem/well testing Introduction Several different methods...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional Meeting, May 15–18, 1999
Paper Number: SPE-55634-MS
... development, flood operations and performance. reservoir pressure nbdu enhanced recovery case history reservoir calculation north buck draw unit ooip sweep efficiency injection powder river basin injection project fulco spe 55634 operation spe 55634 permeability miscible gas flooding...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium, April 5–8, 1998
Paper Number: SPE-39931-MS
... can be calculated. Stabilized (bounded) flow equations are also presented for forecasting. The solutions and type curves developed are for both infinite-acting and stabilized flow with either constant Pwf or constant rate. Several field cases are shown with example calculations. P. 265...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium, April 5–8, 1998
Paper Number: SPE-39950-MS
... independent technique. P. 395 pressure drop mechanism hydraulic fracture hydraulic fracturing fracture spe 39950 warpinski closure interpretation calculation branagan experiment injection reservoir deformation multiple fracture fracture strand spe atce upstream oil & gas...
Proceedings Papers

Paper presented at the Low Permeability Reservoirs Symposium, March 19–22, 1995
Paper Number: SPE-29553-MS
... the perforation pressure drop calculation. To determine the actual pressure drop across the perforations, designers use a real-time spreadsheet calculation. This paper reviews limited-entry treatments pumped in 34 wells that verify spreadsheet calculations. Changes in the perforation discharge coefficient...
Proceedings Papers

Paper presented at the Low Permeability Reservoirs Symposium, March 19–22, 1995
Paper Number: SPE-29592-MS
... saturation water saturation relative permeability analytical method exponent length scale permeability curve flow in porous media heterogeneity fluid dynamics simulation technique small-scale heterogeneity core plug upstream oil & gas capillary pressure calculation effective...
Proceedings Papers

Paper presented at the Low Permeability Reservoirs Symposium, April 26–28, 1993
Paper Number: SPE-25905-MS
.... The borehole expansion before breakdown can be used to determine the shear modulus ofthe formation. DUring fracture initiation and propagation, the borehole deflection measurements can be used to calculate fracture direction and width. Pressure readings after shut-in may be correlated with displacement data...
Proceedings Papers

Paper presented at the Low Permeability Reservoirs Symposium, April 26–28, 1993
Paper Number: SPE-25858-MS
..., as discussed below. A linear sequence of between one and thirty cells of equal volumes is chosen for the calculation. All are taken to be initially at specified values of temperature and pressure. P. 177^ correlation formulation upstream oil & gas black oil pvt property calculation enhanced...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional Meeting, May 18–21, 1992
Paper Number: SPE-24379-MS
... engineers fracture microfracture stress test mud weight minimum principal stress bakken drilling operation magnitude calculation anelastic strain recovery hydraulic fracturing spe 24379 natural fracture borehole collapse reservoir characterization upstream oil & gas differential strain...

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