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Keywords: porosity
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206089-MS
...Abstract Abstract Reservoir characterization requires accurate prediction of multiple petrophysical properties such as bulk density (or acoustic impedance), porosity, and permeability. However, it remains a big challenge in heterogeneous reservoirs due to significant diagenetic impacts...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206095-MS
... chloride) tracer in deionized water or a dilute polymer solution is an effective means for characterizing the pore structure and for predicting the pore volume to breakthrough and diversion performance of VES acids. High-permeability grainstones such as Indiana Limestone, where most of the rock porosity...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206156-MS
... reservoir is one of the potential storage sites being considered for long-term CO 2 storage. The dynamic, geochemical, and geomechanics changes that occur during CO 2 injection are inter-related. For example, when injected CO 2 causes dissolution of reservoir rock, on one hand, porosity increases while...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206382-MS
... 4H, and (D) Sample BK 5H showing diametrical and longitudinal cross-sections. Pre-test images were acquired in twin core plug, and Post-test images were acquired in the tested core plug. The samples were CT scanned without confinement. Figure 7 Summary of porosity results in middle Bakken...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-208626-STU
... Table 1 Core Data Statistical Analysis Minimum Porosity Average Porosity Maximum Porosity 3 % 7.3 % 14.8 % Minimum Permeability Average Permeability Maximum Permeability 0.1 mD 21.5 mD 1003 mD Table 2 XRD Data for 11 Core Plugs Sample...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205912-MS
... elastic moduli position is used to separate between two mechanical zones: kerogen-supported matrix and minerals-supported matrix, marked by green and yellow backgrounds, respectively. The size of the data points represents measured NMR effective porosity. Right – Gamma-ray log for the studied section...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205922-MS
...) 2.7930 3.0625 3.3659 Density of condensed kerogen, ρ ker , (kg/m 3 ) 1,000 1,000 1,000 Molecular diameter of methane, d m , (10 −9 m) 0.38 0.38 0.38 representative pore radius, r ̄, (10 −9 m) 0.38 0.411 0.414 Porosity of condensed structure, ϕ (dimensionless) 16.8% 18.4% 22.4...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205926-MS
...Abstract Abstract Natural gas production in the Sichuan Basin reached 30 billion m 3 in 2020, but the gap between this and the production goal of 50 billion m 3 in 2025 requires further exploration. The complex mineralogy and low porosity in tight carbonate reservoirs lower the accuracy...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206233-MS
... logging nmr tool evaluation diffusion effect ifmi method log analysis magnetic field gradient t2intrinsic petroleum engineer carbonate reservoir reservoir frequency porosity nmr data carbonate pore Introduction A new solution is introduced to correct for diffusion effects in apparent...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206227-MS
... in microstructure between the ash beds with evidence of diagenetic conversion of rhyolitic material into clays. Key differences between the two ash beds were due to the presence of plagioclase and the occurrence of porosity within kaolinite. Overall porosity varied between the two ash beds and adjacent carbonate...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206244-MS
... the high-resolution LWD image data, which were then interpreted further to provide the fracture attributes and the secondary porosity distributions from each of the identified features. The Stoneley measurement from LWD multi-pole sonic log enabled the analysis of the fracture system producibility using...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205963-MS
... of the gridding parameters and various design parameters on performance of reservoir simulations. shale gas fluid dynamics aoi modeling & simulation reservoir simulation gridblock complex reservoir fracture pattern buffer block flow in porous media upstream oil & gas porosity foi...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205971-MS
... classification led to a significant improvement of geological and flow models. log analysis neural network classification rock typing-based reservoir characterization porosity rock typing reservoir characterization artificial intelligence upstream oil & gas libya facies petroleum geology...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206055-MS
... upscaled to the plug level to differentiate bedding and other features could be differentiated. Permeability and porosity of digital rock models were benchmarked against laboratory measurements to confirm representativeness. The laboratory measured Amott-Harvey wettability index of restored core plugs...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206027-MS
... the fracture class showing the main contribution of the liquid flowrate more than 10 m 3 /d along the perforated intervals. The rock properties of this class have porosity range around 1-2% with permeability dominantly more than 100 mD. In contrast, the host-rock class is defined as a protolith/non-fractured...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201353-MS
... MPa; 50 ℃). Before the interaction, the total and accessible porosities are 1.6% and 0.6%, respectively, as characterized by the Small Angle Neutron Scattering (SANS) technique. SANS results show that the total porosity of the carbonate caprock increases apparently due to rock-brine-CO 2 interaction...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201333-MS
... modeling & simulation reservoir simulation condensate reservoir upstream oil & gas flow in porous media fluid dynamics porosity relative permeability experiment enhanced recovery complex reservoir dropout rock type blockage estimation relative permeability curve swc...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201735-MS
... and evaluation. Relatively high resistivity anisotropy from 3D induction suggest the formation is potentially hydrocarbon bearing. TOC from spectroscopy and water filled porosity from dielectric compared to the total porosity are direct indicators of the presence of hydrocarbons in the formation...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201704-MS
... The core samples used in these tests were 1.5-in in diameter and 8-in long. There were 7 tests performed with 15% HCl and 11 tests done with the modified acid system for Indiana limestone samples. The permeability and porosity for all core samples are listed in Table 1 . Cores IC1-7 were tested...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201707-MS
... investigations related to gas flow and recovery. The pulse-decay technique is initially used to quantify apparent porosity, permeability, and adsorption for He, N 2 , Kr, CH 4 , and CO 2 at room temperature (and 42 °C in some cases) up to 800 psia pore pressure. In the case of Kr, Eagle Ford core (EF1...

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