Evaluation of the EOR potential of gas and water injection in shale oil reservoirs

Sheng, James J.; Chen, Ke

doi:10.1016/j.juogr.2013.12.001

Cited by 125 publications

(56 citation statements)

References 6 publications

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“…This huff-n-puff EOR method avoids the gas viscous fingering phenomenon in the high viscosity reservoir (Thomas and Monger-McClure, 1991;Chen et al, 2014) and increases both the sweep efficiency and the oil displacement efficiency at the same time (Li et al, 2011). In recent years, gas huff-n-puff has been used to increase oil recovery in liquid-rich shale oil reservoirs (Monger and Coma, 1988;Wan et al, 2013Wan et al, , 2014Sheng and Chen, 2014;Sheng, 2015;Wan and Sheng, 2015;. Numerous experiments have been conducted using this method.…”

Section: Introductionmentioning

confidence: 99%

Experimental study of core size effect on CH4 huff-n-puff enhanced oil recovery in liquid-rich shale reservoirs

Sheng

2016

Journal of Natural Gas Science and Engineering

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Section: Introductionmentioning

confidence: 99%

Experimental study of core size effect on CH4 huff-n-puff enhanced oil recovery in liquid-rich shale reservoirs

Sheng

2016

Journal of Natural Gas Science and Engineering

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“…Sheng and Chen [42] compared CO 2 and water flooding and were able to achieve superior results for CO 2 injection both in the case of flooding and huff "n" puff scenarios, with the best results (production of 32.46% OOIP) occurring using the huff "n" puff method.…”

Section: Recent Advances In Carbon Capture and Storagementioning

confidence: 99%

Challenges Associated with CO2 Sequestration and Hydrocarbon Recovery

Moghanloo¹,

Yan²,

Law³

et al. 2017

Recent Advances in Carbon Capture and Storage

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In the near-and midterm future, carbon capture and storage (CCS), also called CO 2 geosequestration, is likely to play a significant role in the reduction of atmospheric greenhouse gas. By expanding the set of possible sequestration targets, it is expected that CCS will enable larger quantities of CO 2 to be sequestered, mitigating human activity-driven climate change. In general, oil and gas reservoirs are ideal geologic storage sites for CO 2 because they have successfully held hydrocarbon molecules for millions of years. In addition to the significant and reliable storage capacity of hydrocarbon reservoirs, there is a considerable body of knowledge related to the behavior of hydrocarbon bearing reservoirs, and significant amounts of data are often acquired during their exploitation, factors which improve the economics and safety of any CCS project. By making use of existing and future oil and gas projects, CCS can become a major contributor in the fight against global warming, as well as a sizeable contributor to energy production worldwide. The CCS sequestration targets discussed in this study are sandstones, coal beds, shales, and carbonates. The potential and challenges associated with each of them are discussed in detail, and suggested topics for future research work are provided.

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“…Wan et al firstly simulated huff and puff gas injection in a hydraulic fractured shale reservoir using black oil models, and the results showed the oil recovery was improved to 29% by huff and puff gas injection compared with the primary recovery 6.5% from primary depletion. The huff and puff gas injection was proved to have the highest liquid oil production potential in shale reservoirs …”

Section: Introductionmentioning

confidence: 99%

Experimental study of permeability reduction and pore size distribution change due to asphaltene deposition during CO₂ huff and puff injection in Eagle Ford shale

Shen

Sheng

2017

Asia-Pacific J Chem Eng

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Many laboratory and simulation studies regarding gas injection enhanced oil recovery method in shale reservoir have been performed and shown good results. However, one problem not investigated is the asphaltene precipitation and deposition problem. In conventional reservoirs, the permeability reduction caused by asphaltene plugging and adsorption has been observed and well studied. In shale reservoirs, the deposition, if any, will be more critical.In this work, experimental studies were conducted to investigate the effect of asphaltene deposition on the pore size reduction and permeability reduction in shale core samples during the CO 2 huff and puff injection process using a dead oil sample from a Wolfcamp shale reservoir. A decrement of pore with a diameter size in the range from 100 to 800 nm and an increment of pore with a diameter size smaller than 100 nm were observed after 6 cycles of CO 2 huff and puff injection. The result indicates the existence of pore plugging and asphaltene adsorption during the gas injection process. The experimental results also showed a 47.5-nD permeability reduction after 6 cycles of CO 2 huff and puff injection. Compared with the original permeability of the shale core, 126 nD, the permeability reduction is more than one-third of the original permeability.

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Evaluation of the EOR potential of gas and water injection in shale oil reservoirs

Cited by 125 publications

References 6 publications

Experimental study of core size effect on CH4 huff-n-puff enhanced oil recovery in liquid-rich shale reservoirs

Experimental study of core size effect on CH4 huff-n-puff enhanced oil recovery in liquid-rich shale reservoirs

Challenges Associated with CO2 Sequestration and Hydrocarbon Recovery

Experimental study of permeability reduction and pore size distribution change due to asphaltene deposition during CO₂ huff and puff injection in Eagle Ford shale

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Evaluation of the EOR potential of gas and water injection in shale oil reservoirs

Cited by 125 publications

References 6 publications

Experimental study of core size effect on CH4 huff-n-puff enhanced oil recovery in liquid-rich shale reservoirs

Experimental study of core size effect on CH4 huff-n-puff enhanced oil recovery in liquid-rich shale reservoirs

Challenges Associated with CO2 Sequestration and Hydrocarbon Recovery

Experimental study of permeability reduction and pore size distribution change due to asphaltene deposition during CO2 huff and puff injection in Eagle Ford shale

Contact Info

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Experimental study of permeability reduction and pore size distribution change due to asphaltene deposition during CO₂ huff and puff injection in Eagle Ford shale