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Keywords: composition
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Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, January 24–26, 2023
Paper Number: SPE-212595-MS
... data may be used to delineate the size of the gas caps in stacked reservoirs. upstream oil & gas equation of state goc decontamination asia government reservoir characterization obm contamination presented pvt measurement figure 5 composition scenario figure 4 pvt data figure 2...
Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, January 24–26, 2023
Paper Number: SPE-212600-MS
... studies. The current correlations are restricted by the use of sample from a particular field. As the physical properties and the composition of the crude oil varies the results becomes erroneous after a specific range. This correlation will give results only over a specific range of properties like...
Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, January 24–26, 2023
Paper Number: SPE-212653-MS
... government shale gas mtc complex reservoir variation longmaxi shale reservoir characterization longmaxi formation mass-transport deposit boundary sichuan basin fracture thickness upstream oil & gas china government well 1 deformation sedimentary variation reflection composition...
Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, January 24–26, 2023
Paper Number: SPE-212584-MS
... Abstract We establish a fluid property model for carbon capture and storage (CCS) within the unified framework of classical compositional reservoir simulation by employing the standard volume-translated Peng-Robinson (PR-VT) Equation of State (EOS) and Lohrenz-Bray-Clark (LBC) viscosity...
Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, January 24–26, 2023
Paper Number: SPE-212673-MS
... Abstract Compositional modeling is an effective and necessary technique for designing and optimizing complex oil and gas production processes, such as gas injection enhanced oil recovery (EOR). Generally, about 70% of computational time in compositional modeling is consumed by flash calculation...
Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, January 24–26, 2023
Paper Number: SPE-212633-MS
... not to be required for training any of the data-driven methods. We limited the predicted data sets to temperatures below 350 °F, since all our reservoirs have temperatures below this threshold. From the calculated envelopes, we saw a clear impact of fluid composition on the shape of the AOP curve relative...
Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, September 17–19, 2019
Paper Number: SPE-196658-MS
... production. To understand in-situ asphaltene-depositions, unevenly distributed in composite carbonate core during a CO 2 flood test under reservoir conditions, were investigated through numerical modelling study. Tertiary mode CO 2 core flood tests were performed. A core holder was vertically placed...
Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, September 17–19, 2019
Paper Number: SPE-196655-MS
... intervals, roughness and diameter, are directly used to calculate pressure distribution along the wellbore at the current fluid composition and tubing head pressure (THP). Well connections with grid blocks in a finite volume approximation for dynamic model should be created. The automatic creation...
Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, September 17–19, 2019
Paper Number: SPE-196684-MS
... amount of CO 2 produced should be continuously reinjected into the reservoir. This work investigates the effect of CO 2 content on the low salinity water alternating CO 2 injection technique (CO 2 LSWAG) using a commercial compositional reservoir simulator. In these field-scale simulations, CO 2...
Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, September 17–19, 2019
Paper Number: SPE-196695-MS
... viscosity Upstream Oil & Gas concentration salinity complexity polymer sensitivity surfactant reservoir investigation injection enhanced recovery adsorption composition saturation Reservoir Conditions numerical artifact application interfacial tension oil recovery conference chemical...
Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, May 8–10, 2017
Paper Number: SPE-186046-MS
... Abstract This paper presents the oil recovery mechanism by tertiary-CO 2 flooding in a composite fractured chalk core. We perform two different core flooding experiments at reservoir conditions. We evaluate the efficiency of tertiary-CO 2 flooding in different conditions, taking into account...
Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, May 8–10, 2017
Paper Number: SPE-186035-MS
... facies related dolomitization and its selective influence on the reservoir quality enhancements. The framework of the study is based on detailed petrographic examination and description of 850 thin sections, isotopic compositions (C, O, Sr) of selected samples; and fluid inclusion microthermometry...
Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, May 8–10, 2017
Paper Number: SPE-185988-MS
... with the well-test rates. The proposed method converts the reported test rates to a molar compositional wellstream rate. The resulting compositional wellstream rate, defined with a set of components for a particular EOS model, will exactly reproduce the reported test rates at the separator conditions prevailing...
Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, May 8–10, 2017
Paper Number: SPE-185999-MS
... to the injected gas to increase the viscosity. Considering the composition of the AG in Field A, we have examined a number of different AG compositions to include different levels of hydrocarbon gas and CO 2 . We have also evaluated the direct effect of the different gas compositions on the oil properties during...
Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175568-MS
... Abstract Laboratory studies have shown that wettability of carbonate rock can be altered to a less oil-wetting state by manipulation of brine composition and reduction of salinity. Our recent study (see Mahani et al. 2015b ) suggests that a surface-charge change is likely to be the driving...
Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175563-MS
... reservoir with multiple producing zones. A variation in PVT properties was evident from laboratory tests conducted on the collected fluid samples. The challenge was to design a systematic approach for capturing PVT property variations, performing oil compositional variation modeling, and understanding PVT...
Proceedings Papers

Paper presented at the SPE Reservoir Characterization and Simulation Conference and Exhibition, September 16–18, 2013
Paper Number: SPE-165966-MS
... and producer. Upstream Oil & Gas slim tube apparatus recovery Injection Rate miscible method minimum miscibility pressure experiment run pressure PVT measurement Base Rate coil length material balance error enhanced recovery slim tube experiment composition coil cumulative oil...
Proceedings Papers

Paper presented at the SPE Reservoir Characterization and Simulation Conference and Exhibition, September 16–18, 2013
Paper Number: SPE-165992-MS
..., with a focus on the possible effect of various compositions of injected fluid on oil recovery. In this study, the effect of the salinity level on oil recovery in a limestone reservoir was investigated. The methodology utilized multiple limestone core samples. After x-ray analysis, four samples with high...
Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, October 9–11, 2011
Paper Number: SPE-148040-MS
... representation of miscible displacement processes. As a result, compositional simulation has evolved to provide thermodynamically consistent means to accurately describe the phases and compositions present within the porous reservoir rocks. Compositional simulators have become essential modelling tools for CO 2...

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