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Keywords: heterogeneity
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206334-MS
... experimental insight to quantify fluid saturation patterns in heterogeneous rocks and allows for the evaluation of effective two-phase flow properties. The experimental apparatus consists of an X-ray microfocus scanner and an automated syringe pump. Rather than using traditional cylindrical cores, thin...
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-206095-MS
... reservoir characterization downhole intervention core analysis flow in porous media production enhancement upstream oil & gas enhanced recovery complex reservoir polymer concentration porosity experiment pressure response acid injection fluid dynamics pv bt rock heterogeneity...
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-206177-MS
...Abstract Abstract The development of carbonate reservoirs of a giant field, Offshore Abu Dhabi, requires long horizontal wells to maximize productivity, but at the risk of unwanted gas and water channeling through its inherent heterogeneities. Conformance can be enhanced with dedicated...
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-208630-STU
.... To quantify the degree of heterogeneity for our model reservoirs, and to rank them. AlLiteraryreview shows, the Lorenz coefficient is used for horizontal permeability ( Nyvoll, 2018 ). In this research, we also use it for vertical permeability. Subsequently, we unify different measures of heterogeneity; i.e...
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-205974-MS
... fractured horizontal well with representative element volume (modified from Wendong Wang et al. 2017 Hence, to account for the heterogeneity of complex fracture networks, many practitioners in reservoir modeling have resorted to the fractal model. On the comprehensive analysis on fractal object...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205995-MS
... to work even the permeability field is heterogeneous. The four runs (in the sequence of legends) in the upper row correspond to Cases #3a, 3, 1a, and 4 in Table 2 , and the runs in the lower row are from the Cases # 3b, and 7-9. Fig. 8 The variation of cumulative oil production (a) and CO 2...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201307-MS
... Abstract Yan’an gas field is a typical tight sandstone reservoir with multiple gas layers, large vertical span, variable size of effective sandbody, high heterogeneity, and complex surface ground environment. Due to the depositional background including both continental and marine face...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201429-MS
... Cream limestone and Boise sandstone. The physical properties of the cores are listed in Table 1 . Single-phase tracer test was conducted for the three cores. TC1 and Boise1 are very homogeneous cores and Berea1 has layering heterogeneity. The objective of this research is to upscale the viscous...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201518-MS
... Abstract There are many challenges to be overcome when drilling lateral sections in the Wolfcamp horizon of the Delaware Basin. These include wellbore instability, formation heterogeneity, low rate of penetration (ROP), poor weight transfer and drill bit damage. Downhole data was captured...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201480-MS
... Abstract The Middle East Carbonates have been prolific hydrocarbon reservoir, producing through different units of Cretaceous, Jurassic and Permian over decades. However; inherent heterogeneity, karstification and fracturation in various facies often spring surprises in development wells...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201602-MS
... by the current operator, were explored. Finally, further analysis of the field was conducted to assess whether heterogeneities impact the overall recovery of the field at different gas production rates. Six further geological realisations were constructed to assess this. By examining the results from these three...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201575-MS
... Abstract Enhancing oil recovery from thick heterogeneous carbonate reservoirs poses great challenges, be it through waterflooding or gasflooding. In this study, a three-layer 3D physical model was established based on artificial core technology and scaling criteria, taking into account...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201674-MS
... (up to 30% porosity and 3D permeability), loose sand, heterogeneity and strong aquifer. In the process of water control in horizontal wells, the sand channeling and annulus channeling outside the sand control screen were the main factors that caused the water control failure by early ICDs...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201701-MS
... Abstract Severe frac hit incidents were encountered during stimulating horizontal production wells in a pilot pad of a tight oil reservoir in Ordos basin. The reservoir is interbedded, highly heterogeneous both vertically and horizontally as result of gravity flow deposition. This raised a big...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201774-MS
... of hydrocarbon fluids in nanopores, most of them have a local smooth-surface assumption. The effect of pore heterogeneity is still lacking. In this paper, in order to effectively simulate the nanopore complexity, we propose the assumptions of furrowed surface and sinusoidal surface to represent the heterogeneous...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201727-MS
... Abstract Challenges remain in the upscaling and flow simulation of reservoir models from strong heterogeneity that may arise when representing complex patterns of connectivity and barriers. This is especially true in high contrast systems, e.g. for carbonate reservoirs, where statistical...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-196230-MS
..., reservoir heterogeneity, and permeability anisotropy on optimal WAG ratios. Optimal is defined as being at minimal net CO 2 utilization ratios or maximal oil production rates). Simulations of CO 2 EOR show that the optimal WAG ratio for the ROZs is less than 1 (ratio of injected water and CO 2...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195872-MS
... to describe the polymer behavior). A second step used a series of 1D/2D/3D models at different resolutions -using field spacing, thickness, velocities and heterogeneity to identify and quantify the effect of scale (finite grid simulation cells) onto the performance of polymer, starting with a fine scale...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195861-MS
... porosity and medium-low permeability. Because of the strong heterogeneity between layers and within layers, the results of reservoir permeability interpreted by well logging differ greatly from those interpreted by well testing ( Table 1 ). Table 1 Reservoir permeability (allvalues in Darcys...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195887-MS
... Reservoir Characterization flow unit workflow saturation fuzzy logic porosity cross-section Artificial Intelligence heterogeneity well placement Earth Model permeability horizontal well Kern River Field placement California Upstream Oil & Gas coefficient drqi resistivity...

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