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Keywords: connectivity
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Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2775-MS
... injection reservoir model connectivity hydraulic fracture URTeC: 2775 Successful Field Test of Enhancing Bakken Oil Recovery with Propane Injection Part II. Development and Application of Innovative Simulation Technology M. L. Litvak*2, N. R. Nagarajan1, R. S. (Srini) Prasad1, K. Shaarawi1 (1. Hess...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2937-MS
... Abstract Materials are made of distinct constituents. Connectivity of material constituents govern several physical properties, such as transport, mechanical, and electromagnetic properties. High-resolution microscopy imaging of a material is the best way to capture the microstructural aspects...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3283-MS
... down to 1nm. Mineralogy and pore size distributions are generally consistent in both FIB-SEM and 2D STEM observations. In order to understand whether the smallest pores form a connected network, we acquire tilt series by STEM tomography. Processed images are segmented using machine learning pixel...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3254-MS
... compared. We found that advective flow dominates when porosity and pore sizes are large, the average pressure is high, and the pore space is well-connected. Diffusive flow, on the other hand, cannot be neglected when pore space connectivity is poor or pressure is low. This study provides insight into the...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3040-MS
... portfolio management proppant drillstem/well testing monitor well interference test reservoir characterization reservoir surveillance drillstem testing upstream oil & gas connectivity dsu interference testing pressure interference well connectivity completion trial mpi completion design...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-637-MS
... Abstract Connectivity of the pore system is crucial for production of hydrocarbons from unconventional resources. In shales, pore throats critically control and limit permeability. Even if larger pores are the dominant pore size, small pores throats could ultimately control the access to that...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-1125-MS
... Reservoir Characterization well logging electrical resistivity flow in porous media Upstream Oil & Gas cross plot information water saturation fluid saturation conductivity porosity fraction tortuosity connectivity log analysis pyrite pore space saturation Fluid Dynamics...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2901827-MS
... Abstract In ultra-low permeability reservoirs, communication between wells through connected fractures can be observed through tracer and pressure interference tests. Understanding the connectivity between fractured horizontal wells in a multi-well pad is important for infill well drilling and...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2901785-MS
... the porous media of shale core samples inasmuch as they cannot capture the unique features of unconventional reservoirs with extremely small pores and limited connectivity. In the nano-scale pores, accurate characterization of the morphology information is important, since the relative error will be...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2902023-MS
... Abstract Existing fracture diagnostic methods such as micro-seismic monitoring and tiltmeters do not provide information about fracture connectivity to the wellbore. In this work, we present a chemical tracer flowback based fracture diagnostic method to (a) estimate the fraction of the created...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2901086-MS
... uniformity than in the Otter Park Formation which may be indicative of enhanced flow connectivity within the Muskwa shale. The phenomenon of isotope reversal was frequently observed among produced gases from Horn River Group formations and include cases of partial isotope reversal as well as full isotope...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2901903-MS
... Abstract Distinct from conventional reservoirs, shale formations have limited pore connectivity and unique pore spatial-distributions. Consequently, theoretical pore-network models developed for conventional formations are not representative of the pore topology within unconventional rocks...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2691701-MS
.... These three-dimensional reconstructions can then be used to measure pore space connectivity and to inform numerical flow simulation. We examine the pore systems of two lithologically distinct mudrocks sampled from core. The connectivity of organic matter pores that are resolvable under the SEM (> 10...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2695433-MS
... and planning Conductivity Map interference fracture half length Upstream Oil & Gas drillstem/well testing interference test study area Eagle Ford shale connectivity completion design numerical model Lower Eagle Ford permeability fracture analytical model society of petroleum...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2667079-MS
... controlling factors that had direct effects on the porosity. Organic matter distribution and pore type were critical parameters in 3D connectivity and determination of permeability. The data provided statistical information and trends about the dependence of shale properties on different factors in the...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2665304-MS
... such tight formations by enhancing the wellbore – matrix connectivity, the majority of oil and gas are still trapped in the matrix even after the pressure is depleted in the hydraulic fractures. Therefore, how to characterize pore structure properly in the unconventional reservoirs becomes a critical...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2688838-MS
... evaluation. To achieve this objective, we introduce a directional connectivity parameter that quantifies the influence of clay, kerogen, pyrite, and brine network connectivity on electrical resistivity, develop a new method that relates electrical resistivity to directional connectivity of all the...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 1–3, 2016
Paper Number: URTEC-2460508-MS
... distribution and connectivity (specifically of porous media with bimodal pore sizes), but assumed spherical pore and cylindrical throat shapes. In a separate work, we recently applied a modified lattice density functional theory (LDFT) to adsorption modeling for pores with different shapes. The model was...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 1–3, 2016
Paper Number: URTEC-2461331-MS
... Abstract This study evaluates the impacts of pore connectivity and distribution on gas transport through the shale matrix of Barnett and Haynesville shale plays. Gas molecules are stored as a compressed phase in the pore space, and/or as a desorbed phase on the surface of shale pores. At the...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2015
Paper Number: URTEC-2154046-MS
... to 2011-12. The 2013 data collection program was focused on understanding wellbore connectivity and the optimized completion design. We collected image logs, chemical tracers, and microseismic through which, we observed connectivity between the wells during the initial flowback. The microseismic...

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