... conducted on sandstone rock samples using various oil samples (viscosities between 1.37 cp and 54.61 cp) as well as gas (air). The selected new-generation chemical additives included deep eutectic solvents, cationic/anionic/nonionic surfactants, and inorganic and organic alkalis. We observed...

... of Petroleum Engineers sedimentary rock clastic rock natural gas storage fluid dynamics sustainability complex reservoir geologist carbonate rock gas injection method subsurface storage conformance improvement log analysis reservoir characterization rock type sandstone enhanced recovery...

... 3D sandstone sample obtained by microcomputed tomography (micro-CT) images. The effects of the wettability alteration degree, wettability alteration model, and capillary number on dynamic salt dispersion and fluid redistribution are considered in simulation works. The findings indicate that a higher...

... with increasing fluid injection velocities, leading to different sand production patterns. The simulation results were compared with experimental results from a large cylindrical specimen of weak artificial sandstone under similar loading conditions. The multiphase conditions created various localized flow...

... in different stages. The associated B ii values are computed through the analysis of energy evolution based on the fuzzy analytic hierarchy analysis process (FAHP) method. Tri-axial compression tests were conducted on granite, shale, and sandstone specimens under different confining pressures...

...Jiaqi Li; Liang Xiao; Wei Zhang; Tianding Liu; Weifeng Xue; Feiming Gao Summary Permeability is a crucial parameter in formation evaluation, which reflects reservoir fluid mobility and directly influences subsequent development and production. In conventional to tight sandstone formations without...

... Society of Petroleum Engineers 28 12 2023 8 7 2024 29 5 2024 8 8 2024 9 10 2024 sedimentary rock geology fluid dynamics rock type geologist flow in porous media chemical flooding methods co 2 enhanced recovery clastic rock sandstone reservoir geomechanics...

... spectrum but lacks the ability to differentiate fluids. It is observed that the same fluid in various porous media displays different divisions of T 1 /T 2 ratios. The wettability index of sandstone, tuff, and shale measured by weighing and T 1 -T 2 NMR method are compared and studied to demonstrate...

... reservoir characterization reservoir mathematics of computing gas injection method production chemistry sandstone flow assurance asphaltene deposition reduction reservoir permeability permeability mpa flocculation dh sandstone reservoir experiment breakthrough With the deepening...

... lithologic trends indicate a transition from carbonate to sandstone in the midramp and from carbonate to mudstone and siltstone in the outer ramp. Stratal geometry defines a series of south-prograding clinoforms, and detailed analysis of vertical trends in the distribution of mudstone, siltstone, sandstone...

... operations in depleted gas reservoirs lying in sandstone formations. We developed a workflow to exploit the chemical reactive transport functionalities of a commercial reservoir simulator, to model biochemical processes occurring in UHS. Kinetic chemical reaction formulation was used to replicate a Monod’s...

... , sedimentary rock geologist waterflooding clastic rock neural network drillstem/well testing reservoir simulation fluid dynamics structural geology drillstem testing rock type optimization problem sandstone miscible method reservoir surveillance gas injection method flow in porous media...

...Shanshan Liu Summary The grain size distribution along the well depth is of great significance for the prediction of the physical properties and the staged sand control design of the unconsolidated or weakly consolidated sandstone reservoir. In this paper, a new method for predicting the formation...

... Engineers geologist high-voltage electrode discharge technology electrode bit selection fragmentation low-voltage electrode geology experiment diameter sandstone hvepb experiment spe journal pulse effect model mineral strength hvepb borehole drilling efficiency...

...Na Zhang; Shuhui Guo; Shuaidong Wang; Yizhuo Tong; Zheng Li; Jiaqi Wu Summary Unconventional reservoirs have nanoscale pores, complex pore structures, and heterogeneity that directly affect reservoir storage performance and fluid transport capacity. In this study, shale, mudstone, and sandstone...

... structural geology sandstone imbibition flow in porous media fluid dynamics rock type enhanced recovery reservoir characterization co 2 mpa pressure geology concentration imbibition experiment ift droplet wettability variation spontaneous imbibition imbibition recovery wettability...

...J. M. Leon; S. K. Masalmeh; A. M. AlSumaiti; M. Baslaib Summary Polymer flooding is a mature enhanced oil recovery (EOR) technology that has been widely implemented around the world for more than 60 years. Polymer flooding mostly targets medium- to high-permeability sandstone reservoirs...

... fracturing sandstone pulsed plasma sedimentary rock clastic rock rock type modeling & simulation geological subdiscipline technology diagram voltage wellhead effect ordinate axis double-well experiment university strength spe journal propagation Nowadays, with the increasing...

..., accurately estimating this parameter can be challenging due to its sensitivity to signal noise, particularly in heterogeneous media such as carbonate rocks. This explains the paucity of attenuation studies carried out in carbonate rocks compared with sandstones, and the ambiguity around its mechanisms...

...Yingwen Li; Yongfei Yang; Mingzhe Dong; Gloire Imani; Jun Yao; Kai Zhang; Hai Sun; Junjie Zhong; Lei Zhang Summary Permeability variation in the vertical direction, a typical sandstone reservoir heterogeneity, can trap a large amount of oil in the low-permeability layer. We performed water...