Viscoelastic Polymer Modelling for Accurate Predictions of In-Situ Rheology
用于准确预测原位流变学的粘弹性聚合物建模
基本信息
- 批准号:544482-2019
- 负责人:
- 金额:$ 9.11万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Idea to Innovation
- 财政年份:2019
- 资助国家:加拿大
- 起止时间:2019-01-01 至 2020-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The synthetic polymer solutions used for chemically enhanced oil recovery (cEOR) processes exhibit apparent viscosity much higher than expected from the shear viscosity. Injectivity will be overestimated with the usage of steady shear rheology. Viscoelastic polymers developed so far relied on the core flood experiments to predict the injectivity of EOR polymers. Performing core flooding with respect to various parameters such as salinity, concentration is a cumbersome process. Quantifying the thickening ability of the polymer solutions may get rid of core flood dependency. Moreoever, the oscillatory rheology used to characterize the viscoelastic properties of the EOR polymers under-predicts the residual oil saturation (Sor) reduction potential. Therefore, the capillary number calculated using the shear viscosity and apparent viscosity does not explain the various residual oil recovery shown by the viscoelastic polymer solutions. Employing the extensional viscosity in the place of shear or apparent viscosity may improve the predictions of capillary number. Thus, it has become a critical issue to investigate the extensional properties of EOR polymers. Azad and Trivedi recently developed a viscoelastic model named a viscoelastic model that can predict the viscoelastic behavior of the synthetic polymer in porous media without core flood experiments. The model has been validated for predicting the viscoelastic onset and the shear thickening regime for varying range of reservoir permeability (200 mD to 37 D), porosity (0.22 to 0.395), brine salinity (0 ppm to 25,200 ppm), concentration (200 ppm to 2500 ppm) and polymer molecular weight (6 MDa to 26 MDa). Since the model validation is performed at room temperature, it is imperative to expand this technology to a wider range temperature that represents in-situ reservoir conditions and thereby creating a database for implementation into commercial tool. Moreover, the model needs to be tested and implemented in a commercial simulator for injectivity and oil recovery predictions.
用于化学强化采油(cEOR)工艺的合成聚合物溶液表现出比从剪切粘度预期的高得多的表观粘度。使用稳态剪切流变学会高估注入性。粘弹性聚合物的开发依赖于岩心驱油实验来预测聚合物的注入能力。 相对于各种参数(诸如盐度、浓度)执行岩心驱替是一个繁琐的过程。定量聚合物溶液的增稠能力可以摆脱岩心驱替依赖性。此外,用于表征EOR聚合物的粘弹性的振荡流变学低估了残余油饱和度(Sor)降低潜力。因此,用剪切粘度和表观粘度计算的毛管数不能解释粘弹性聚合物溶液所表现出的各种残余油采收率。用拉伸粘度代替剪切粘度或表观粘度,可以改善毛管数的预测。因此,研究提高采收率聚合物的拉伸性能已成为一个关键问题。Azad和Trivedi最近开发了一种粘弹性模型,称为粘弹性模型,可以预测合成聚合物在多孔介质中的粘弹性行为,而无需岩心驱油实验。该模型已被验证用于预测储层渗透率(200 mD至37 D)、孔隙度(0.22至0.395)、盐水盐度(0 ppm至25,200 ppm)、浓度(200 ppm至2500 ppm)和聚合物分子量(6 MDa至26 MDa)的变化范围的粘弹性起始和剪切增稠状态。由于模型验证是在室温下进行的,因此必须将该技术扩展到代表原位储层条件的更宽温度范围,从而创建用于实施到商业工具中的数据库。此外,该模型需要在商业模拟器中进行测试和实施,以预测注入能力和石油采收率。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Trivedi, Japan其他文献
Characterization of Ultrahigh-Molecular-Weight Oilfield Polyacrylamides Under Different pH Environments by Use of Asymmetrical-Flow Field-Flow Fractionation and Multiangle-Light-Scattering Detector
- DOI:
10.2118/174624-pa - 发表时间:
2018-02-01 - 期刊:
- 影响因子:3.6
- 作者:
Dalsania, Yogesh;Doda, Ankit;Trivedi, Japan - 通讯作者:
Trivedi, Japan
Characterization of co- and post-hydrolyzed polyacrylamide molecular weight and radius distribution under saline environment
- DOI:
10.1002/app.50616 - 发表时间:
2021-03-03 - 期刊:
- 影响因子:3
- 作者:
Patel, Viralkumar;Dalsania, Yogeshkumar;Trivedi, Japan - 通讯作者:
Trivedi, Japan
An experimental evaluation of low salinity water mechanisms in a typical Brazilian sandstone and light crude oil with low acid/basic number
- DOI:
10.1016/j.fuel.2020.117694 - 发表时间:
2020-08-01 - 期刊:
- 影响因子:7.4
- 作者:
da Costa, Alana Almeida;Trivedi, Japan;Embirucu, Marcelo - 通讯作者:
Embirucu, Marcelo
Single-step silica nanofluid for improved carbon dioxide flow and reduced formation damage in porous media for carbon utilization
- DOI:
10.1016/j.energy.2020.117276 - 发表时间:
2020-04-15 - 期刊:
- 影响因子:9
- 作者:
Chaturvedi, Krishna Raghav;Trivedi, Japan;Sharma, Tushar - 通讯作者:
Sharma, Tushar
Evaluation of Polymer-Assisted Carbonated Water Injection in Sandstone Reservoir: Absorption Kinetics, Rheology, and Oil Recovery Results
- DOI:
10.1021/acs.energyfuels.9b00894 - 发表时间:
2019-06-01 - 期刊:
- 影响因子:5.3
- 作者:
Chaturvedi, Krishna Raghav;Trivedi, Japan;Sharma, Tushar - 通讯作者:
Sharma, Tushar
Trivedi, Japan的其他文献
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{{ truncateString('Trivedi, Japan', 18)}}的其他基金
Associative polymer-based fluids for enhanced oil recovery using produced saline water
用于使用采出盐水提高石油采收率的缔合聚合物液体
- 批准号:
RGPIN-2020-05951 - 财政年份:2022
- 资助金额:
$ 9.11万 - 项目类别:
Discovery Grants Program - Individual
Associative polymer-based fluids for enhanced oil recovery using produced saline water
用于使用采出盐水提高石油采收率的缔合聚合物液体
- 批准号:
RGPIN-2020-05951 - 财政年份:2021
- 资助金额:
$ 9.11万 - 项目类别:
Discovery Grants Program - Individual
Associative polymer-based fluids for enhanced oil recovery using produced saline water
用于使用采出盐水提高石油采收率的缔合聚合物液体
- 批准号:
RGPIN-2020-05951 - 财政年份:2020
- 资助金额:
$ 9.11万 - 项目类别:
Discovery Grants Program - Individual
Characterization of Ultra-High Molecular Weight Oilfield Polymers for Optimal Chemical Enhanced Oil Recovery Performance and Reuse of Produced Water
超高分子量油田聚合物的表征,以实现最佳化学强化采油性能和采出水的再利用
- 批准号:
RGPIN-2015-05581 - 财政年份:2019
- 资助金额:
$ 9.11万 - 项目类别:
Discovery Grants Program - Individual
Characterization of Ultra-High Molecular Weight Oilfield Polymers for Optimal Chemical Enhanced Oil Recovery Performance and Reuse of Produced Water
超高分子量油田聚合物的表征,以实现最佳化学强化采油性能和采出水的再利用
- 批准号:
RGPIN-2015-05581 - 财政年份:2018
- 资助金额:
$ 9.11万 - 项目类别:
Discovery Grants Program - Individual
Evaluation of reservoir core samples and nano branched polymer for enhanced oil recovery (EOR)
用于提高采收率 (EOR) 的储层岩心样品和纳米支化聚合物的评估
- 批准号:
513762-2017 - 财政年份:2017
- 资助金额:
$ 9.11万 - 项目类别:
Engage Grants Program
Characterization of Ultra-High Molecular Weight Oilfield Polymers for Optimal Chemical Enhanced Oil Recovery Performance and Reuse of Produced Water
超高分子量油田聚合物的表征,以实现最佳化学强化采油性能和采出水的再利用
- 批准号:
RGPIN-2015-05581 - 财政年份:2017
- 资助金额:
$ 9.11万 - 项目类别:
Discovery Grants Program - Individual
Polymer screening for EOR applications
EOR 应用的聚合物筛选
- 批准号:
499535-2016 - 财政年份:2016
- 资助金额:
$ 9.11万 - 项目类别:
Engage Grants Program
Characterization of Ultra-High Molecular Weight Oilfield Polymers for Optimal Chemical Enhanced Oil Recovery Performance and Reuse of Produced Water
超高分子量油田聚合物的表征,以实现最佳化学强化采油性能和采出水的再利用
- 批准号:
RGPIN-2015-05581 - 财政年份:2016
- 资助金额:
$ 9.11万 - 项目类别:
Discovery Grants Program - Individual
Characterization of Ultra-High Molecular Weight Oilfield Polymers for Optimal Chemical Enhanced Oil Recovery Performance and Reuse of Produced Water
超高分子量油田聚合物的表征,以实现最佳化学强化采油性能和采出水的再利用
- 批准号:
RGPIN-2015-05581 - 财政年份:2015
- 资助金额:
$ 9.11万 - 项目类别:
Discovery Grants Program - Individual
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