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Keywords: adsorption
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Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202222-MS
... – Which mechanism contribute to CO 2 -ESGR the most? Is it diffusion, adsorption or compressibility? – What is the effect of compressible shale on overall efficiency of CO 2 -ESGR? – How does the matrix pore size affect gas recovery? – How does the fracture permeability influence...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202335-MS
... is expected to transport through the target formation. The mechanism for this approach is re-pressurizing and competitive adsorption. However, the effectiveness of this method is not conclusive since authors have different opinions on if the gas adsorption/desorption mechanism play a vital role and which...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202462-MS
... reservoirs. However, its actual contribution to gas production is often masked by the indiscriminate use of adsorption-derived parameters for desorbed gas volumes during gas production calculations at reservoir conditions. Traditionally, it is believed that gas adsorption is fully reversible at the high...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196293-MS
... such as residual oil saturation (Sor) reduction, chemical loss through adsorption, dilution effects on capillary number, salinity and viscosity effects, cooling effects, chemical reactions, among others. The study results show that chemical EOR injection is a technically feasible and economically viable option...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196386-MS
... For the determination of the amount of adsorption in a high temperature environment, the mass of the montmorillonite before and after adsorption was selected. Since the nano-polysilicon material has high activity, it is easily adsorbed onto the surface of the particle, the water...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-191896-MS
... Typically, the organic matter is the main contributor to gas adsorption as its adsorption capacity is significantly higher than that of clays: pure clay minerals adsorb about 10 times less than anthracite, an analogue for overmature organic matter ( Merkel et al., 2015 ). However, clay minerals...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186406-MS
... to reduce pollution. Therefore, in order to guide the engineering process, it is of great importance to reveal the CO 2 and CH 4 absorption behaviors at microscopic scale,but the corresponding mechanism is as yet unclear. This is because the competitive adsorption process of CO 2 and CH 4 underground...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186253-MS
... and the increase in oil production that reported in many core flooding laboratory studies are mainly related to the high adsorption rate of hydrophilic silica nanoparticles on carbonate surfaces. The rapid progress in nanotechnology has called attention to its many potential applications in the subsurface...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186325-MS
... to represent ultra-low IFT displacement. Average surfactant adsorption of 2 mg/100 g rock was used. This low value of adsorption is used since static adsorption test showed almost negligible value of surfactant adsorption. The reservoir zone A is a layer of a very tight conglomerate sandstone (tight zone...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186991-MS
...). Nevertheless, small scale experiments have their limitations and uncertainties remain on field scale performance. Deep down in the formation, factors such as foam strength and stability, and adsorption of surfactant are considered uncertain. These factors call for pilots to de-risk the application further...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, October 25–27, 2016
Paper Number: SPE-182466-MS
... Abstract To forecast gas production from coal and other dual-porosity reservoirs, the reservoir specific diffusion properties must be estimated. Diffusion properties can be determined in the laboratory as part of adsorption or desorption isotherm measurements. Typically, such experiments...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, October 25–27, 2016
Paper Number: SPE-182182-MS
... of nanoparticles along the reservoir during injection phase. The model is developed using material balance and fluid flow in porous media. Several empirical correlations are also adopted to describe the adsorption phenomenon during the nanoparticles flow in the reservoir. Using coreflood experiment data of iron...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, October 25–27, 2016
Paper Number: SPE-182234-MS
... but has not been comprehensively applied for diversion by associative polymers. In this work, a transport model was developed for relative water permeability reduction by associative polymers and diversion of stimulation fluids in the pay zone. The model accounted for the mass transport and adsorption...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, October 25–27, 2016
Paper Number: SPE-182376-MS
... the mechanisms through the experimental efforts. Assisted history matching of the coreflood test was carried out to incorporate waterflood and chemical flood processes. Some variables such as relative permeability characteristics, trapping number, adsorption, and residual resistance factor were included...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 20–22, 2015
Paper Number: SPE-176296-MS
... as absorbed gas on pores surface. The effect of gas adsorption is generally ignored in conventional reservoirs. However, the absorbed gas has to be taken into consideration for shale gas production because of its huge amount in nanoscale porous media. The smaller the pore throat radius, the more significant...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 20–22, 2015
Paper Number: SPE-176297-MS
... with that of indoor experiment. This study can provide theoretical guidance for fracturing fluid optimization in the operation of coalbed methane wells fracturing. coal bed methane proppant adsorption hydraulic fracturing complex reservoir coalbed methane fracturing fluid guar gum fracturing materials...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 20–22, 2015
Paper Number: SPE-176256-MS
... concentrations and types of nanoparticles. Nanoparticles transport experiments with the same nanofluids also were performed to study nanoparticles adsorption behavior. Effluent nanoparticles concentration was measured to evaluate nanoparticles adsorption and desorption inside core. Pressure drop was recorded...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 20–22, 2015
Paper Number: SPE-176129-MS
... LNG adsorption adsorbent material psig carbon society of petroleum engineers low pressure tank storage heat capacity Two profound questions loom over all other energy concerns: Will we have enough affordable energy in the near future? What will we do for the long term? According...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 20–22, 2015
Paper Number: SPE-176174-MS
..., molecular diffusion and stress-dependent permeability as well as multi-component adsorption. Based on information of Barnett shale reservoir, a simulation model is constructed for CO 2 flooding. Extended Langmuir isotherm is used to simulate the competitive sorption among the molecules involved. Gas...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 20–22, 2015
Paper Number: SPE-176206-MS
... for the impact of these interactions. The study focuses on constructing an improved S/P numerical simulator. A series of experiments were performed on S/P mixed system and flooding process. The results show significant influence of S/P interactions on viscosity, interfacial tension, and adsorption...

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