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Keywords: composition
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Proceedings Papers

Paper presented at the SPE EuropEC - Europe Energy Conference featured at the 83rd EAGE Annual Conference & Exhibition, June 6–9, 2022
Paper Number: SPE-209663-MS
... or cycloalkane compound. The liquid hydrocarbons used in the study were normal heptane (n-C 7 ), toluene (Tol) and cyclohexane (c-C 6 ). The measurements were conducted at variable compositions, at temperatures of 50, 70, and 90 °C, and at pressures ranging between 100 and 517 bar. The ternary mixtures were...
Proceedings Papers

Paper presented at the SPE EuropEC - Europe Energy Conference featured at the 83rd EAGE Annual Conference & Exhibition, June 6–9, 2022
Paper Number: SPE-209645-MS
.... Finally, miscibility of CO 2 and N 2 mixtures with typical compositions of flue gases from post-combustion processes were studied using the thermodynamic model retuned with previous experimental measurements. This work presents a thorough study of minimum miscibility pressure of CO 2 and N 2 in oil...
Proceedings Papers

Paper presented at the SPE EuropEC - Europe Energy Conference featured at the 83rd EAGE Annual Conference & Exhibition, June 6–9, 2022
Paper Number: SPE-209683-MS
...Abstract Abstract History matching methods are widely used to extract relative permeability curves as well as other uncertain parameters, which cannot be measured accurately through laboratory analysis. This study presents the results of gas flooding experiments in composite chalk cores...
Proceedings Papers

Paper presented at the SPE EuropEC - Europe Energy Conference featured at the 83rd EAGE Annual Conference & Exhibition, June 6–9, 2022
Paper Number: SPE-209690-MS
.... Due to the nature of heavy oil in the case study wells, the mud gas compositions contain mainly C 1 -C 3 . By comparing with the reservoir oil samples from the exploration and appraisal wells, we investigated the possibility of using mud gas while drilling to identify if the reservoir oil belongs...
Proceedings Papers

Paper presented at the SPE Europec, December 1–3, 2020
Paper Number: SPE-200596-MS
... effects. Sensitivity is performed on matrix block size and injection gas composition (pure C 1 , a mixture of C 1 and CO 2 , and a mixture of C 1 , C 2 and C 3 ), and the role of diffusion is evaluated for each scenario. As gas is injected, the composition of heavier hydrocarbon fractions in the gas...
Proceedings Papers

Paper presented at the SPE Europec, December 1–3, 2020
Paper Number: SPE-200591-MS
... Table 1 Brine properties and composition Parameter Units Test Water Formation Brine Mean SD * Mean SD * Density, 25°C g/cm 3 1011.700 0.000 1012.000 0.000 Density, 60°C 997.100 0.100 1012.000 0.000 Shear Viscosity, 25°C mPa.s 0.964 0.032 0.954...
Proceedings Papers

Paper presented at the SPE Europec, December 1–3, 2020
Paper Number: SPE-200643-MS
... Literature data is scarce on how oil composition and reservoir mineralogy influence additional recovery gained with the use of nanofluids. For instance, the oil acidity could impact the chemical reactions with nanofluids, and therefore control IFT. However, IFT is one of the main factors...
Proceedings Papers

Paper presented at the SPE Europec featured at 81st EAGE Conference and Exhibition, June 3–6, 2019
Paper Number: SPE-195520-MS
... storage Upstream Oil & Gas calcite zone porosity radial stress composition fraction elsevier ltd compaction process international journal compressive strength Greenhouse gas Control cement matrix interface cement sheath Introduction The average global temperature of the Earth's...
Proceedings Papers

Paper presented at the SPE Europec featured at 81st EAGE Conference and Exhibition, June 3–6, 2019
Paper Number: SPE-195434-MS
... mineralogical compositions. The granular packs were especially characterized in terms of structure (SEM) and specific surface area (BET) before and after polymer injections. The main observables from the coreflood tests were the resistance and residual resistance factors generated by the polymer, the polymer...
Proceedings Papers

Paper presented at the SPE Europec featured at 81st EAGE Conference and Exhibition, June 3–6, 2019
Paper Number: SPE-195459-MS
... process. We further applied a target filter which removes samples with oil-based mud contamination and data with GOR less than 10 Sm 3 /Sm 3 or higher than 20 000 Sm 3 /Sm 3 . The database statistics are shown in Table 1 . Although the PVT data contain the full compositional analysis for each sample, we...
Proceedings Papers

Paper presented at the SPE Europec featured at 80th EAGE Conference and Exhibition, June 11–14, 2018
Paper Number: SPE-190762-MS
...Abstract Abstract Shale gas reservoirs hold adsorbed gas in kerogen. Laboratory techniques have been developed to measure the gas amount in samples. However, adsorbed gas recovery is an unsettled issue. Complexity is mainly due to adsorbed phase having an unknown composition and density...
Proceedings Papers

Paper presented at the SPE Europec featured at 80th EAGE Conference and Exhibition, June 11–14, 2018
Paper Number: SPE-190796-MS
... Brine Composition: Two groups of brines (BGA and BGB) have been prepared for this study. Brines are filtered through a 0.2μm milipore filter by applying 2.0 Bar of N 2 pressure in order to avoid any undissolved component. The First group (BGA) is used to evaluate the effects...
Proceedings Papers

Paper presented at the SPE Europec featured at 80th EAGE Conference and Exhibition, June 11–14, 2018
Paper Number: SPE-190797-MS
... measurement calculation gamma distribution model gamma shape EOS calculation critical fluid system equilibrium system composition fraction best-fit gamma model molecular weight molar amount molar distribution Upstream Oil & Gas oil zone reservoir oil fluid system equilibrium phase...
Proceedings Papers

Paper presented at the SPE Europec featured at 80th EAGE Conference and Exhibition, June 11–14, 2018
Paper Number: SPE-190882-MS
... interface was cation bridging by divalent cations such as Ca 2+ and Mg 2+ . Hence, it was not surprising that the FW/STO/FW injection sequence for all the three (3) methods were relatively oil-wet as compared to similar sequence of optimum LSW composition. This was attributed to the abundance of Ca 2...
Proceedings Papers

Paper presented at the SPE Europec featured at 80th EAGE Conference and Exhibition, June 11–14, 2018
Paper Number: SPE-190818-MS
... the composition redistribution approach based on thermodynamic equilibrium computations have been conducted. In the studies, Bui and Akkutlu (2017) have shown that selective adsorption and nanopore confinement effects resulted in significant variation of the composition of multi-component fluids inside kerogen...
Proceedings Papers

Paper presented at the SPE Europec featured at 80th EAGE Conference and Exhibition, June 11–14, 2018
Paper Number: SPE-190844-MS
... effluent peaks were observed during injection of FW, D-SW and SRPW to the reservoir chalk. The effluent pH was higher in the D-SW and SRPW injections than in the FW injections. The compositions of effluent samples confirmed the interactions between the reservoir chalk and these brines. Both spontaneous...
Proceedings Papers

Paper presented at the SPE Europec featured at 79th EAGE Conference and Exhibition, June 12–15, 2017
Paper Number: SPE-185779-MS
... enhanced recovery Geochemistry co 2 solubility shute creek gas processing facility aquifer society of petroleum engineers thermal effect Carbon Capture composition natural gas bulk modulus Upstream Oil & Gas optimization operation injection co2 sequestration emission Introduction...
Proceedings Papers

Paper presented at the SPE Europec featured at 79th EAGE Conference and Exhibition, June 12–15, 2017
Paper Number: SPE-185772-MS
...Abstract Abstract Operators are collecting an abundance of produced water data that is often underused. Produced water composition data provide clues as to what geochemical reactions are taking place in the subsurface. This information can be useful for monitoring interwell connectivity...
Proceedings Papers

Paper presented at the SPE Europec featured at 79th EAGE Conference and Exhibition, June 12–15, 2017
Paper Number: SPE-185816-MS
... (LSW) as injection waters. The element composition of effluent samples was determined. Geochemical simulations were carried out to further investigate the interactions of brine with the mineral and rock in the flotation tests and core flooding experiments. During aging of FW samples for 2 days, 46...
Proceedings Papers

Paper presented at the SPE Europec featured at 79th EAGE Conference and Exhibition, June 12–15, 2017
Paper Number: SPE-185833-MS
... be a risk of model overfitting due to the large amount of data. In the second example, we attempt to estimate the original composition of the reservoir fluid as well as reservoir rock properties using downhole temperature profile data. A relatively simple multi-layer radial reservoir model is considered...

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