Study on Micro-Displacement Mechanism and Reservoir Compatibility of Soft Dispersed Microgel
Abstract
:1. Introduction
2. Results and Discussions
2.1. Swelling Property of SMG
2.2. Rheological Property of SMG Aqueous Dispersion
2.3. Micro-Scale Experiment of SMG
2.4. Analysis of Experimental Results of the Matching Relationship between SMG Particles and Reservoirs
3. Conclusions
4. Materials and Methods
4.1. Preparation of Materials
4.2. Experimental Setups
4.3. Methods
4.3.1. Measurement of SMG Particle Size and Rheological Property
4.3.2. Microinjection Experiment
4.3.3. Experiment on the Matching Relationship between SMG Particle and Reservoir
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Type | d0, μm | dmax, μm | B = (dmax − d0)/d0 |
---|---|---|---|
SMG-μm | 3.2 | 28.6 | 7.9 |
SMG-mm− | 16.6 | 68.3 | 3.1 |
Permeability/(mD) | Matching Coefficient | FR | FRR | Plugging Rate |
---|---|---|---|---|
100 | 1.69 | 10.2 | 6.4 | 90.2 |
250 | 1.40 | 9.0 | 7.2 | 88.9 |
500 | 1.23 | 9.6 | 9.1 | 89.6 |
1000 | 0.98 | 10.7 | 12.9 | 90.6 |
1500 | 0.83 | 9.4 | 9.7 | 89.4 |
2000 | 0.65 | 6.5 | 5.7 | 85.1 |
2500 | 0.55 | 4.3 | 4.9 | 76.7 |
Permeability/(mD) | Matching Coefficient | FR | FRR | Plugging Rate |
---|---|---|---|---|
250 | 2.67 | 19.9 | 15.3 | 95.1 |
500 | 2.07 | 17.2 | 11.9 | 94.2 |
1000 | 1.67 | 16.1 | 13.2 | 93.8 |
1500 | 1.55 | 15.5 | 14.7 | 93.6 |
2000 | 1.32 | 12.9 | 13.5 | 92.3 |
2500 | 1.17 | 10.4 | 8.9 | 90.4 |
3000 | 0.88 | 8.9 | 7.5 | 88.8 |
4000 | 0.75 | 4.7 | 5.8 | 78.9 |
Core Number | Length/cm | Diameter/cm | Porosity/% | Permeability/mD |
---|---|---|---|---|
2-1 | 10.05 | 2.51 | 18.5 | 100 |
2-2 | 10.03 | 2.50 | 20.1 | 250 |
2-3 | 10.05 | 2.52 | 22.0 | 500 |
2-4 | 10.01 | 2.51 | 24.8 | 1000 |
2-5 | 10.02 | 2.50 | 25.8 | 1500 |
2-6 | 10.03 | 2.51 | 26.6 | 2000 |
2-7 | 10.02 | 2.50 | 29.1 | 2500 |
3-1 | 10.04 | 2.53 | 22.2 | 250 |
3-2 | 10.02 | 2.53 | 23.8 | 500 |
3-3 | 10.03 | 2.50 | 24.8 | 1000 |
3-4 | 10.02 | 2.51 | 26.8 | 1500 |
3-5 | 10.05 | 2.52 | 27.4 | 2000 |
3-6 | 10.06 | 2.53 | 27.9 | 2500 |
3-7 | 10.08 | 2.51 | 29.5 | 3000 |
3-8 | 10.10 | 2.51 | 32.9 | 4000 |
Ionic Composition | Na+, K+ | Ca2+ | Mg2+ | CO32− | HCO3− | SO42− | Cl− | TDS |
---|---|---|---|---|---|---|---|---|
Concentration, mg/L | 3091.96 | 276.17 | 158.68 | 14.21 | 311.48 | 85.29 | 5436.34 | 9374.13 |
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Ye, Y.; Liu, Y.; Guan, B.; Yang, Z.; He, L.; Xiao, P.; Wang, X.; Li, S. Study on Micro-Displacement Mechanism and Reservoir Compatibility of Soft Dispersed Microgel. Gels 2023, 9, 177. https://doi.org/10.3390/gels9030177
Ye Y, Liu Y, Guan B, Yang Z, He L, Xiao P, Wang X, Li S. Study on Micro-Displacement Mechanism and Reservoir Compatibility of Soft Dispersed Microgel. Gels. 2023; 9(3):177. https://doi.org/10.3390/gels9030177
Chicago/Turabian StyleYe, Yinzhu, Yang Liu, Baoshan Guan, Zhe Yang, Lipeng He, Peiwen Xiao, Xiaocong Wang, and Shichao Li. 2023. "Study on Micro-Displacement Mechanism and Reservoir Compatibility of Soft Dispersed Microgel" Gels 9, no. 3: 177. https://doi.org/10.3390/gels9030177