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Keywords: water saturation
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Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-220743-MS
... and residual water saturation held in place by capillary pressure. The objective of this work is to explore the application of additives to lower the capillary pressure and the water saturation in the near wellbore region and thereby increase the relative permeability to sCO 2 . The intended benefit...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-220877-MS
... ). The carbonate porous media properties are initially homogeneous and isotropic. CH 4 and water are uniformly distributed throughout the domain by the initial CH 4 concentration and water saturation. Chemical reactions are considered in the variable-saturated carbonate porous media ( Mahmoud et al., 2019...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-220753-MS
... injectivity loss. This study investigates the impacts of capillary pressure and permeability heterogeneity on the formation of hydrates during CO 2 storage in depleted gas reservoirs. A compositional thermal reservoir simulator is used to model the fluid and heat flow of CO 2 in methane and water-saturated...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214958-MS
... Abstract Low resistivity pay is a perennial challenge in clastic intervals of the Third Bone Spring formation in the Permian Basin. Water saturations from resistivity are high, and it is difficult to identify productive intervals or to assess oil in place. We show that the primary cause is thin...
Proceedings Papers
Zulkuf Azizoglu, Zoya Heidari, Leonardo Goncalves, Lucas Abreu Blanes De Oliveira, Moacyr Silva Do Nascimento Neto
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205987-MS
... Model (CRIM) and Maxwell Garnett (MG) model require oversimplifying assumptions about pore structure and distribution of constituting fluids/minerals. Therefore, dielectric-based estimates of water saturation are often not reliable in the presence of complex pore structure, rock composition, and rock...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206361-MS
... propagation while injecting surfactant with CO 2 in a water saturated core. In addition, comparing three partition coefficient scenarios around 1 on mass basis, the higher gas phase partitioning surfactant showed the larger delay in gas breakthrough. Overall, the simulation results with our better modeling...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205883-MS
... and an explanation of temperature dependent relative permeabilities of oil, a more reliable time dependent residual oleic-phase saturation in the context of gravity-based oil recovery methods. artificial intelligence relation relative permeability phase fraction upstream oil & gas water saturation...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205928-MS
...%. oil sand log analysis enhanced recovery bitumen upstream oil & gas salinity waterflooding water saturation heavy oil reservoir complex reservoir formula mixed water reservoir characterization well logging structural geology nmr low resistivity heavy oil reservoir cutoff time...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205950-MS
... intervals using the concept of quantile regression forests (QRF). We test our workflow on two use cases. First, we consider a petrophysics use case on an unconventional land dataset to predict the petrophysical properties such as water saturation, total porosity, volume of clay, and total organic carbon...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201417-MS
... and integration of the seismic volume and the available well logs. The well log data show that the net hydrocarbon bearing zone thickness is about 270 feet, the average porosity ranges from 4% in the Bahi/Gargaf sandstone to 13% in the Waha limestone. The average water saturation ranges from 15% to 32...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201429-MS
.... waterflooding gridblock water saturation flow in porous media fluid dynamics heterogeneity model parameter reservoir simulation mohanty correlation experiment enhanced recovery upstream oil & gas displacement history oil saturation correlation length relative permeability saturation...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201464-MS
... reservoir upstream oil & gas well 5 early production time reservoir surveillance hydraulic fracturing drilling operation fluid dynamics oil production enhanced recovery shale gas reservoir simulation drillstem/well testing water saturation production control production logging drillstem...
Proceedings Papers
Saida Machicote, Luca Visconti, Dario Santonico, Marco Miarelli, Giulia Barbacini, Marco Pirrone, Nicola Bona
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201548-MS
... in conjunction with micro-tomographic imaging techniques to obtain: 1) the relationship between pore body and pore throat size, 2) surface relaxivity as a function of pore size and 3) a gas relative permeability predictor for the NMR log. An initially fully water saturated core plug is centrifuged in air...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201618-MS
... water tailoredwater 1 pore surface argonne national laboratory high salinity water oil displacement wettability upstream oil & gas water saturation rock sample society of petroleum engineers oil recovery carbonate reservoir Introduction Carbonate oil reservoirs contribute...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201608-MS
... a model that fits historical data can be easy but honoring the true petrophysics and fluid dynamics of the reservoir is often challenging. Some of the major challenges during reservoir simulation are uncertainties in water saturation, permeability, phase behavior, and effective fracture surface area...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201519-MS
... Abstract Nuclear Magnetic Resonance (NMR) transverse relaxation ( T 2 ) measurements are sensitive to fluid saturations and wettability of the rocks. However, quantifying wettability index solely from NMR T 2 models relies on accurate estimates of water saturation. It has been shown...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201479-MS
... viscosity of fracturing fluid corresponds to longer soaking time, while increasing water-shale interfacial tension reduces the optimum soaking time. The effect of different initial water saturations on optimum soaking time was found to be insignificant. If real time shut-in pressure data are used...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201651-MS
... To summarize, in this study the shale gas production period is divided into two stages based on the critical water saturation. At both two stages, the Langmuir-type gas adsorption isotherm is modified by incorporating water content. The BET model is adopted to describe the water adsorption...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195853-MS
... = A * PcB + C) is used to fit each capillary pressure curve. Then, a robust relationship between the fitting coefficients (A, B, C) and rock properties (i.e. porosity and permeability) is expressed as a nonlinear function for each DRT. Combined with the height above free water level, a water saturation (Sw...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195988-MS
... and 3 and 2.71 g/cc in zones 4 and 5. For the sonic logs, porosity determination used a standard Delta-t matrix. Water saturation was computed using Archie's model in the zone that is predominately water with a porosity typically less than 8%. That low porosity is considered to represent intra-granular...
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